Basler BE1-11g User manual

INSTRUCTION MANUAL
FOR
BE1-11g
Generator Protection System
Publication: 9424200994
Revision: U Jul-17

9424200994 Rev U i
BE1-11gPreface
Preface
This instruction manual provides information about the installation and operation of the BE1-11g
Generator Protection System. To accomplish this, the following information is provided:
•General information and a quick start guide
•Controls and indicators
•Inputs and outputs
•Protection and control functions
•Reporting and alarms information
•Mounting and connection diagrams
•BESTCOMSPlus®software
•Communication and security
•Testing and troubleshooting procedures
•Specifications
•Time curve characteristics
•RTD module (optional)
Optional instruction manuals for the BE1-11ginclude:
•Modbus®communication protocol (Basler Electric part number 9424200774)
•Distributed Network Protocol (DNP) (Basler Electric part number 9424200773)
•IEC 61850 communication protocol (Basler Electric part number 9424200892)
Conventions Used in this Manual
Important safety and procedural information is emphasized and presented in this manual through
warning, caution, and note boxes. Each type is illustrated and defined as follows.
Warning!
Warning boxes call attention to conditions or actions that may cause
personal injury or death.
Caution
Caution boxes call attention to operating conditions that may lead to
equipment or property damage.
Note
Note boxes emphasize important information pertaining to installation
or operation.

ii 9424200994 Rev U
Preface BE1-11g
12570 State Route 143
Highland IL 62249-1074 USA
www.basler.com
[e-mail]
Tel: [phone]
Fax: [phone]
© 2017 by Basler Electric
All rights reserved
First printing: June 2009
Warning!
READ THIS MANUAL. Read this manual before installing, operating, or maintaining the BE1-11g. Note
all warnings, cautions, and notes in this manual as well as on the product. Keep this manual with the
product for reference. Only qualified personnel should install, operate, or service this system. Failure to
follow warning and cautionary labels may result in personal injury or property damage. Exercise
caution at all times.
Basler Electric does not assume any responsibility to compliance or noncompliance with national code, local code,
or any other applicable code. This manual serves as reference material that must be well understood prior to
installation, operation, or maintenance.
For terms of service relating to this product and software, see the Commercial Terms of Products and Services
document available at www.basler.com/terms.
This publication contains confidential information of Basler Electric Company, an Illinois corporation. It is loaned for
confidential use, subject to return on request, and with the mutual understanding that it will not be used in any
manner detrimental to the interests of Basler Electric Company and used strictly for the purpose intended.
It is not the intention of this manual to cover all details and variations in equipment, nor does this manual provide
data for every possible contingency regarding installation or operation. The availability and design of all features
and options are subject to modification without notice. Over time, improvements and revisions may be made to this
publication. Before performing any of the following procedures, contact Basler Electric for the latest revision of this
manual.
The English-language version of this manual serves as the only approved manual version.

9424200994 Rev U iii
BE1-11gContents
Contents
Introduction .................................................................................................................................................1
Applications ...............................................................................................................................................1
Features ....................................................................................................................................................2
Model and Style Number Description........................................................................................................8
Quick Start.................................................................................................................................................11
Maintenance............................................................................................................................................11
Storage....................................................................................................................................................11
Install BESTCOMSPlus®Software..........................................................................................................11
Power Up and Activate the BE1-11 Plug-In ............................................................................................12
Programming the BE1-11g......................................................................................................................16
Controls and Indicators............................................................................................................................25
Illustrations and Descriptions ..................................................................................................................25
Menu Navigation......................................................................................................................................28
Front Panel Operations ...........................................................................................................................28
Display Setup ..........................................................................................................................................30
Contact Inputs and Outputs.....................................................................................................................33
Contact-Sensing Inputs...........................................................................................................................33
Contact Outputs.......................................................................................................................................37
Overexcitation (24) Protection.................................................................................................................43
Element Operation...................................................................................................................................43
Logic Connections...................................................................................................................................45
Operational Settings................................................................................................................................46
Settings Example.....................................................................................................................................47
Sync-Check (25) Protection .....................................................................................................................51
Element Operation...................................................................................................................................51
Logic Connections...................................................................................................................................54
Operational Settings................................................................................................................................54
Phase Undervoltage (27P) Protection.....................................................................................................57
Element Operation...................................................................................................................................57
Logic Connections...................................................................................................................................60
Operational Settings................................................................................................................................60
Auxiliary Undervoltage (27X) Protection................................................................................................63
Element Operation...................................................................................................................................63
Logic Connections...................................................................................................................................66
Operational Settings................................................................................................................................67
Negative-Sequence Voltage (47) Protection...........................................................................................69
Phase Overvoltage (59P) Protection.......................................................................................................71
Element Operation...................................................................................................................................71
Logic Connections...................................................................................................................................74
Operational Settings................................................................................................................................74
Auxiliary Overvoltage (59X) Protection ..................................................................................................77
Element Operation...................................................................................................................................77
Logic Connections...................................................................................................................................80
Operational Settings................................................................................................................................80
Stator Ground (64G) Protection...............................................................................................................83
Vector Jump (78V) Protection..................................................................................................................85
Element Operation...................................................................................................................................85
Logic Connections...................................................................................................................................86
Operational Settings................................................................................................................................86

iv 9424200994 Rev U
Contents BE1-11g
Frequency (81) Protection........................................................................................................................89
Frequency Measurement.........................................................................................................................89
Underfrequency and Overfrequency Protection......................................................................................89
Frequency Rate-of-Change Protection....................................................................................................90
Logic Connections...................................................................................................................................92
Operational Settings................................................................................................................................92
Negative-Sequence Overcurrent (46) Protection...................................................................................95
Pickup Settings........................................................................................................................................95
Coordination Settings..............................................................................................................................96
Instantaneous Overcurrent (50) Protection............................................................................................97
Element Operation...................................................................................................................................97
Logic Connections...................................................................................................................................99
Operational Settings................................................................................................................................99
Breaker Failure (50BF) Protection.........................................................................................................101
Element Operation.................................................................................................................................101
Logic Connections.................................................................................................................................103
Operational Settings..............................................................................................................................103
Inverse Overcurrent (51) Protection......................................................................................................105
Element Operation.................................................................................................................................105
Logic Connections.................................................................................................................................110
Operational Settings..............................................................................................................................110
Directional Overcurrent (67) Protection................................................................................................113
Polarization Methods.............................................................................................................................113
Maximum Torque Angle and Directional Tests .....................................................................................115
Theory of Using Sequence Impedances for Fault Direction..................................................................116
Phase Current Differential (87) Protection ...........................................................................................119
Element Operation.................................................................................................................................119
Logic Connections.................................................................................................................................123
Settings..................................................................................................................................................123
Neutral Current Differential (87N) Protection.......................................................................................127
Element Operation.................................................................................................................................127
Logic Connections.................................................................................................................................129
Operational Settings..............................................................................................................................130
Phase Differential Protection: Self-Balancing and Split-Phase Configurations (50/51)..................131
Self-Balancing .......................................................................................................................................131
Split-Phase ............................................................................................................................................132
Power (32) Protection.............................................................................................................................133
Element Operation.................................................................................................................................133
Logic Connections.................................................................................................................................136
Operational Settings..............................................................................................................................136
Loss of Excitation - Reverse Var Based (40Q) Protection..................................................................139
Element Operation.................................................................................................................................139
Logic Connections.................................................................................................................................140
Operational Settings..............................................................................................................................141
Distance (21) Protection.........................................................................................................................143
Element Operation.................................................................................................................................143
Logic Connections.................................................................................................................................144
Operational Settings..............................................................................................................................144
Loss of Excitation - Impedance Based (40Z) Protection.....................................................................147
Element Operation.................................................................................................................................147
Logic Connections.................................................................................................................................148

9424200994 Rev U v
BE1-11gContents
Operational Settings..............................................................................................................................149
Typical Application.................................................................................................................................150
Out of Step (78OOS) Protection.............................................................................................................151
Element Operation.................................................................................................................................151
Logic Connections.................................................................................................................................152
Operational Settings..............................................................................................................................153
Resistance Temperature Detector (49RTD) Protection.......................................................................155
Element Operation.................................................................................................................................155
Logic Connections.................................................................................................................................156
Operational Settings..............................................................................................................................156
Remote RTD Metering...........................................................................................................................157
Analog Input Protection .........................................................................................................................159
Element Operation.................................................................................................................................159
Logic Connections.................................................................................................................................160
Operational Settings..............................................................................................................................160
Remote Analog Input Metering..............................................................................................................161
Synchronizer (25A) .................................................................................................................................163
Element Operation.................................................................................................................................163
Logic Connections.................................................................................................................................167
Operational Settings..............................................................................................................................169
Virtual Control Switches (43).................................................................................................................171
Element Operation.................................................................................................................................171
Logic Connections.................................................................................................................................173
Operational Settings..............................................................................................................................173
Logic Timers (62) ....................................................................................................................................175
Element Operation.................................................................................................................................175
Logic Connections.................................................................................................................................178
Operational Settings..............................................................................................................................178
Lockout Functions (86)...........................................................................................................................181
Element Operation.................................................................................................................................181
Logic Connections.................................................................................................................................181
Operational Settings..............................................................................................................................181
Retrieving Lockout Status from the BE1-11g........................................................................................182
Breaker Control Switch (101).................................................................................................................183
Element Operation.................................................................................................................................183
Logic Connections.................................................................................................................................184
Operational Settings..............................................................................................................................185
Setting Groups ........................................................................................................................................187
Setting Group Functions........................................................................................................................187
Logic Connections.................................................................................................................................190
Operational Settings..............................................................................................................................191
Logic Override of the Setting Group Selection Function.......................................................................193
Metering ...................................................................................................................................................195
Metering Explorer ..................................................................................................................................195
Analog Metering Functions....................................................................................................................196
Sequence of Events................................................................................................................................203
Sequence of Events Setup....................................................................................................................203
Retrieving SER Information...................................................................................................................204
Fault Reporting........................................................................................................................................205
Fault Reporting Trigger Logic................................................................................................................205
Targets ..................................................................................................................................................205
Fault Reports.........................................................................................................................................210

vi 9424200994 Rev U
Contents BE1-11g
Oscillographic Records..........................................................................................................................214
Distance to Fault....................................................................................................................................215
Protective Fault Analysis.......................................................................................................................217
Alarms ......................................................................................................................................................219
Alarm Settings .......................................................................................................................................221
User Programmable Alarms..................................................................................................................221
Retrieving Alarm Information.................................................................................................................222
Resetting Alarms...................................................................................................................................222
Differential Reporting .............................................................................................................................225
Breaker Monitoring.................................................................................................................................227
Breaker Status Reporting......................................................................................................................227
Breaker Duty Monitoring........................................................................................................................228
Breaker Alarms......................................................................................................................................232
Demands ..................................................................................................................................................233
Current...................................................................................................................................................233
Power.....................................................................................................................................................234
Retrieving Demand Reporting Information............................................................................................234
Load Profile .............................................................................................................................................237
Setting the Load Profile Recording Function.........................................................................................237
Retrieving Load Profile Recorded Data.................................................................................................237
Power Quality ..........................................................................................................................................239
Power Quality Settings..........................................................................................................................239
Retrieving Power Quality Data ..............................................................................................................239
Trip Circuit Monitor (52TCM)..................................................................................................................243
Element Operation.................................................................................................................................243
Logic Connections.................................................................................................................................248
Operational Settings..............................................................................................................................248
Fuse Loss (60FL).....................................................................................................................................251
Element Operation.................................................................................................................................251
Logic Connections.................................................................................................................................253
Operational Settings..............................................................................................................................253
BESTnet™Plus.........................................................................................................................................255
Status Page...........................................................................................................................................255
Real Time Data......................................................................................................................................255
Demand Data ........................................................................................................................................256
Faults.....................................................................................................................................................257
Sequence of Events ..............................................................................................................................259
Power Quality........................................................................................................................................259
Mounting..................................................................................................................................................261
J Type Case Cutouts and Dimensions..................................................................................................261
H or P Type Case Cutouts and Dimensions .........................................................................................269
Dovetailing Procedure...........................................................................................................................276
Terminals and Connectors.....................................................................................................................279
J Type Case ..........................................................................................................................................279
H or P Type Case..................................................................................................................................282
CT Polarity.............................................................................................................................................283
Typical Connections...............................................................................................................................287
Power System Applications...................................................................................................................293
BESTCOMSPlus®Software....................................................................................................................299
Installation .............................................................................................................................................300
Activate the BE1-11 Plugin for BESTCOMSPlus®................................................................................300

9424200994 Rev U vii
BE1-11gContents
Menu Bars .............................................................................................................................................305
Settings Explorer...................................................................................................................................307
Metering Explorer ..................................................................................................................................308
Settings File Management.....................................................................................................................308
Auto Export Metering.............................................................................................................................310
BESTCOMSPlus®Updates...................................................................................................................311
Firmware Updates .................................................................................................................................311
BESTlogic™Plus......................................................................................................................................313
Overview of BESTlogic™Plus................................................................................................................313
Logic Schemes......................................................................................................................................324
Programming BESTlogic™Plus..............................................................................................................328
Offline Logic Simulator ..........................................................................................................................329
BESTlogic™Plus File Management .......................................................................................................330
BESTlogic™Plus Examples ...................................................................................................................331
Communication.......................................................................................................................................333
Connections...........................................................................................................................................333
Ethernet Setup.......................................................................................................................................334
Email Setup ...........................................................................................................................................336
RS-485 Setup........................................................................................................................................337
DNP Setup.............................................................................................................................................337
Modbus®Setup......................................................................................................................................341
Security....................................................................................................................................................343
Access Levels........................................................................................................................................343
Username Setup....................................................................................................................................343
Port Access Setup.................................................................................................................................344
Access Control ......................................................................................................................................345
Viewing the Security Log.......................................................................................................................346
Authenticity and Encryption...................................................................................................................347
Timekeeping ............................................................................................................................................351
Clock Setup ...........................................................................................................................................351
Setting the Time and Date.....................................................................................................................353
IRIG Port................................................................................................................................................353
Real-Time Clock Specifications.............................................................................................................353
Backup Battery for the Real-Time Clock...............................................................................................354
Device Information..................................................................................................................................359
Style Number.........................................................................................................................................359
Device Info.............................................................................................................................................360
Firmware Updates .................................................................................................................................360
Configuration...........................................................................................................................................363
Power System Measurements ..............................................................................................................363
Power System Settings .........................................................................................................................366
Sensing Transformers Settings.............................................................................................................368
Transformer Setup.................................................................................................................................370
Display Units..........................................................................................................................................379
Introduction to Testing...........................................................................................................................381
Testing Philosophies .............................................................................................................................381
Testing and Troubleshooting Aids.........................................................................................................382
Acceptance Testing ................................................................................................................................385
Test Equipment .....................................................................................................................................385
Power Up...............................................................................................................................................385
Communications....................................................................................................................................385
Style Number and Serial Number Verification.......................................................................................385
IRIG Verification (if used) ......................................................................................................................386
Contact Sensing Inputs .........................................................................................................................386

viii 9424200994 Rev U
Contents BE1-11g
Control Outputs .....................................................................................................................................386
Current Circuit Verification ....................................................................................................................387
Three-Phase Voltage Circuit Verification ..............................................................................................388
Power Reading Verification...................................................................................................................389
Auxiliary Voltage Input Verification - VX and VX 3rd (Fundamental and Third Harmonic).....................389
Frequency Verification...........................................................................................................................390
Commissioning Testing .........................................................................................................................391
Digital I/O Connection Verification.........................................................................................................391
Virtual Selector Switches.......................................................................................................................392
Virtual Control Switch............................................................................................................................392
Protection and Control Function Verification.........................................................................................393
Verify Other Setpoints as Appropriate...................................................................................................393
Reporting and Alarm Functions.............................................................................................................393
Periodic Testing ......................................................................................................................................397
Settings Verification...............................................................................................................................397
Analog Circuit Verification .....................................................................................................................397
Overexcitation (24) Test .........................................................................................................................399
Functional Test Procedure ....................................................................................................................399
Functional Test Report..........................................................................................................................403
Sync-Check (25) Test..............................................................................................................................405
Functional Test Procedure ....................................................................................................................405
Functional Test Report..........................................................................................................................408
Phase Undervoltage (27P) Test .............................................................................................................411
Functional Test Procedure ....................................................................................................................411
Functional Test Report..........................................................................................................................413
Auxiliary Undervoltage (27X) Test.........................................................................................................415
Functional Test Procedure ....................................................................................................................415
Functional Test Report..........................................................................................................................424
Phase Overvoltage (59P) Test ...............................................................................................................427
Functional Test Procedure ....................................................................................................................427
Functional Test Report..........................................................................................................................429
Auxiliary Overvoltage (59X) Test...........................................................................................................431
Functional Test Procedure ....................................................................................................................431
Functional Test Report..........................................................................................................................439
Vector Jump (78V) Test..........................................................................................................................443
Functional Test Procedure ....................................................................................................................443
Functional Test Report..........................................................................................................................444
Frequency (81) Test ................................................................................................................................447
Functional Test Procedure ....................................................................................................................447
Functional Test Report..........................................................................................................................452
Instantaneous Overcurrent (50) Test ....................................................................................................455
Functional Test Procedure ....................................................................................................................455
Functional Test Report..........................................................................................................................462
Breaker Fail (50BF) Test.........................................................................................................................465
Functional Test Procedure ....................................................................................................................465
Functional Test Report..........................................................................................................................468
Inverse Overcurrent (51) Test................................................................................................................469
Functional Test Procedure ....................................................................................................................469
Functional Test Report..........................................................................................................................478

9424200994 Rev U ix
BE1-11gContents
Directional Overcurrent (67) Test..........................................................................................................485
Functional Test Procedure ....................................................................................................................485
Functional Test Report..........................................................................................................................492
Phase Current Differential (87) Test......................................................................................................493
Restrained Functional Test Procedure..................................................................................................493
Unrestrained Functional Test Procedure...............................................................................................500
Harmonic Restraint Functional Test Procedure ....................................................................................500
Functional Test Reports ........................................................................................................................502
Neutral Current Differential (87N) Test .................................................................................................505
Functional Test Procedure ....................................................................................................................505
Functional Test Report..........................................................................................................................507
Power (32) Test........................................................................................................................................509
Functional Test Procedure ....................................................................................................................509
Functional Test Report..........................................................................................................................512
Loss of Excitation - Reverse Var Based (40Q) Test ............................................................................515
Functional Test Procedure ....................................................................................................................515
Functional Test Report..........................................................................................................................517
Distance (21) Test ...................................................................................................................................519
Pickup Verification.................................................................................................................................519
Timing Verification.................................................................................................................................520
Functional Test Report..........................................................................................................................521
Loss of Excitation – Impedance Based (40Z) Test ..............................................................................523
Functional Test Procedure ....................................................................................................................523
Functional Test Report..........................................................................................................................525
Out of Step (78OOS) Test.......................................................................................................................527
Functional Test Procedure ....................................................................................................................527
Functional Test Report..........................................................................................................................530
Synchronizer (25A) Test.........................................................................................................................531
Phase-Lock-Loop (PLL) Functional Test Procedure.............................................................................531
Functional Test Report - PLL ................................................................................................................536
Anticipatory Functional Test Procedure ................................................................................................537
Functional Test Report - Anticipatory....................................................................................................541
Voltage Monitor Functional Test Procedure..........................................................................................541
Voltage Monitor Functional Test Report................................................................................................544
Virtual Control Switches (43) Test.........................................................................................................545
Functional Test Procedure ....................................................................................................................545
Functional Test Report..........................................................................................................................547
Logic Timers (62) Test............................................................................................................................549
Functional Test Procedure ....................................................................................................................549
Functional Test Report..........................................................................................................................557
Lockout Functions (86) Test..................................................................................................................559
Functional Test Procedure ....................................................................................................................559
Functional Test Report..........................................................................................................................560
Breaker Control Switch (101) Test ........................................................................................................561
Functional Test Procedure ....................................................................................................................561
Functional Test Report..........................................................................................................................562
Frequently Asked Questions (FAQ) ......................................................................................................563
Electrical/Connections...........................................................................................................................563
General Operation.................................................................................................................................563
Features ................................................................................................................................................564
Communications....................................................................................................................................564

x 9424200994 Rev U
Contents BE1-11g
Troubleshooting......................................................................................................................................565
Communications....................................................................................................................................565
Inputs and Outputs................................................................................................................................570
Metering/Display....................................................................................................................................570
General Operation.................................................................................................................................570
Specifications..........................................................................................................................................573
Operational Specifications.....................................................................................................................573
General Specifications...........................................................................................................................584
Specifications - 25 Hz Operation...........................................................................................................591
Operational Specifications.....................................................................................................................591
Time Curve Characteristics ...................................................................................................................603
Inverse Overcurrent (51) .......................................................................................................................603
Under/Overvoltage (27/59)....................................................................................................................631
Overexcitation (24)................................................................................................................................635
RTD Module .............................................................................................................................................639
Features ................................................................................................................................................639
Functional Description...........................................................................................................................639
Mounting................................................................................................................................................639
Connections...........................................................................................................................................640
RTD Module Communications Setup Procedure ..................................................................................644
RTD Module Plugin for BESTCOMSPlus®............................................................................................647
Remote Analog Inputs Configuration ....................................................................................................652
Remote Analog Outputs Configuration..................................................................................................653
Remote RTDs Configuration .................................................................................................................655
Specifications ........................................................................................................................................656
Repair....................................................................................................................................................659
Maintenance..........................................................................................................................................659
Storage..................................................................................................................................................659
Digital Points ...........................................................................................................................................661
BESTCOMSPlus®Settings Loader Tool ...............................................................................................677
Introduction............................................................................................................................................677
Setup .....................................................................................................................................................677
BESTCOMSPlus®Settings Loader Tool Settings.................................................................................678
General Operation.................................................................................................................................681
Revision History......................................................................................................................................683

9424200994 Rev U 1
BE1-11gIntroduction
Introduction
The BE1-11gGenerator Protection System provides flexible, reliable, and economical protection, control,
monitoring, and measurement functions for small, medium, and large generators. The BE1-11goffers
vector jump, out of step, distance, phase and neutral current differential, overexcitation (V/Hz),
overcurrent, directional overcurrent, over/undervoltage, over/underfrequency, sync-check, RTD
(Resistance Temperature Detector) with remote module, breaker failure, and fuse loss protection. It offers
breaker- and trip-circuit monitoring, and oscillography and sequential events recording. Control features
include virtual selector switches, circuit breaker control, virtual lockout, and variable-mode timers. An auto
synchronizer is optional. System metering, status information, and fault locating are available at the
BE1-11gfront panel and through the BE1-11gcommunication ports. The capabilities of the BE1-11g
make it suitable for detecting generator faults and abnormal operating conditions in an integrated system.
Suitable BE1-11gapplications include large power generation, distributed generation, local backup
generation, and intertie protection applications.
A front-panel USB port or optional rear Ethernet port enables local communication between the BE1-11g
and a PC operating with BESTCOMSPlus®software. BESTCOMSPlus software simplifies the
commissioning process by providing a graphical interface for setting the BE1-11gand configuring a
protection and control scheme for your application. Through BESTCOMSPlus, all BE1-11gsettings and
logic can be retained in a file for printing or uploading to other BE1-11gprotection systems. Oscillography
and sequential events records can be retrieved from a BE1-11g, viewed, and printed.
Front-panel features include a large, backlit alphanumeric display and LED indicators that display system
parameters, BE1-11gsettings, and BE1-11gstatus. Pushbuttons enable navigation through the display
menu, changes to settings, resetting of targets (with password access), and direct access to virtual
switches.
Applications
The capabilities of the BE1-11gmake it ideally suited for applications with the following attributes:
•Generator specific protection and control elements including loss of field, out of step, stator
ground protection, and sync check or synchronizer
•Generator focused protection including reverse power, negative-sequence, overexcitation, and
differential
•Isolation between the RTDs and the BE1-11gdue to distance between the BE1-11gpackage and
the RTD module
•Low burden to extend the linear range of CTs
•The flexibility provided by wide setting ranges, multiple setting groups, and multiple coordination
curves in one unit
•The economy and space savings provided by a multifunction, multiphase unit. This one unit can
provide all of the protection, control, metering, and local and remote indication functions required
for typical applications.
•Directional control and fault recording
•High-speed Ethernet communications and protocol support
•The capabilities of a numeric multifunction relay
•The small size and limited behind-panel projection facilitates modernizing protection and control
systems in existing equipment
•Detection of low ground current levels (SEF option)
•IEC 61850 functionality
•Logic library with logic schemes for basic low Z grounded generator protection, low Z grounded
generator with sequential trip, low Z grounded generator with sequential trip and sync check,
basic high Z grounded generator protection, high Z grounded generator protection

2 9424200994 Rev U
Introduction BE1-11g
Features
The BE1-11gprotection system includes many features for the protection, monitoring, and control of
power system equipment. These features include protection and control functions, metering functions,
and reporting and alarm functions. A highly flexible programmable logic system called BESTlogic™Plus
allows the user to apply the available functions with complete flexibility and customize the system to meet
the requirements of the protected power system. Programmable I/O, extensive communication features,
and an advanced user interface provide easy access to the features provided.
The following information summarizes the capabilities of this multifunction device. Each feature, along
with its setup and use, is described in greater detail in the later chapters of this manual.
General Features
HMI (Human-Machine Interface)
Each BE1-11ghas a front-panel display and LED indicators. Protection systems in an H or P style case
have five LED indicators: Power Supply Status, Relay Trouble Alarm, Minor Alarm, Major Alarm, and Trip.
Protection systems in a J style case have 12 LED indicators: Power Supply Status, Relay Trouble Alarm,
Minor Alarm, Major Alarm, Trip, Select Control Switch, Operate Control Switch, and Indicator 1 through 7
(programmable in BESTlogicPlus). The backlit, liquid crystal display (LCD) allows the BE1-11gto replace
local indication and control functions such as panel metering, alarm annunciation, and control switches.
Four scrolling pushbuttons enable navigation through the LCD menu tree. Parameters are changed using
the Edit pushbutton. Targets, alarms, and other registers are cleared with the Reset pushbutton. In Edit
mode, the scrolling pushbuttons provide data entry selections. Edit mode is indicated by an LED on the
Edit pushbutton. Protection systems in a J-style case have pushbuttons for selecting and controlling the
virtual control switches.
The LCD has automatic priority logic to govern which metering values are displayed on the screen so that
when an operator approaches, the metering data of most interest is automatically displayed without
having to navigate the menu structure. Scrollable metering parameters are selected on the General
Settings, Front Panel HMI settings screen in BESTCOMSPlus.
Device Information
The version of the embedded software (firmware), serial number, and style number are available from the
front-panel display or the communication ports.
Three free-form fields (Device ID, Station ID, and User ID) can be used to enter information to identify the
BE1-11g. These fields are used by many of the reporting functions to identify the BE1-11greporting the
information. Examples of BE1-11gidentification field uses include station name, circuit number, relay
system, and purchase order, and others.
Device Security
Security settings affect read and write access. Passwords provide access security for six distinct
functional access areas: Read, Control, Operator, Settings, Design, and Administrator. Each
username/password is assigned an access area with access to that area and each area below it. An
administrator password provides access to all six of the functional areas.
A second dimension of security is provided by the ability to restrict access for any of the access areas to
only specific communication ports. For example, you could set up security to deny access to control
commands through the Ethernet port.
Setting Groups
Four setting groups allow adaptive relaying to be implemented to optimize BE1-11gsettings for various
operating conditions. Automatic and external logic can be employed to select the active setting group.
Clock
The clock is used by the logging functions to timestamp events. BE1-11gtimekeeping can be self-
managed by the internal clock or coordinated with an external source through a network or IRIG device.

9424200994 Rev U 3
BE1-11gIntroduction
A backup capacitor and additional battery backup are provided for the clock. During a loss of operating
power, the backup capacitor maintains timekeeping for up to 24 hours depending on conditions. As the
capacitor nears depletion, the backup battery takes over and maintains timekeeping. The backup battery
has a life expectancy of greater than five years depending on conditions.
IRIG
A standard unmodulated IRIG-B input receives time synchronization signals from a master clock.
Automatic daylight saving time compensation can be enabled and set for floating or fixed dates.
NTP (Network Time Protocol)
NTP synchronizes the real-time clock to network time servers through the Ethernet port. BESTCOMSPlus
is used to establish the priority of time reference sources available to the BE1-11g, IRIG-B, NTP, DNP,
and RTC (real-time clock). The NTP address is set using BESTCOMSPlus.
Communications
Three independent communication ports provide access to all BE1-11gfunctions. A USB (universal serial
bus) port is located on the front panel, a two-wire RS-485 port is located on the rear panel, and an
optional Ethernet port is also located on the rear panel. The RS-485 and Ethernet ports are electrically
isolated.
Modbus®and DNP3 protocols are optionally available for the RS-485 or Ethernet communication port.
The IEC 61850 protocol is optionally available for the Ethernet port. Separate instruction manuals cover
each available protocol. Consult the product bulletin or Basler Electric for availability of these options and
instruction manuals. Modbus sessions can be operated simultaneously over the Ethernet and RS-485
ports.
System Parameters
Three-phase currents and voltages are digitally sampled and the fundamental is extracted using a
Discrete Fourier Transform (DFT) algorithm.
The voltage sensing circuits can be configured for single-phase, three-phase-three-wire, or four-wire
voltage transformer circuits. Voltage sensing circuitry provides voltage protection, frequency protection,
polarizing, and watt/var metering. Neutral-shift, positive-sequence, and negative-sequence voltage
magnitudes are derived from the three-phase voltages. Digital sampling of the measured frequency
provides high accuracy at off-nominal values.
An auxiliary voltage sensing input (Vx) provides protection capabilities for over/undervoltage monitoring of
the fundamental and third harmonic voltage of the VT source connected to the Vx input. This capability is
useful for ground fault protection or sync-check functions.
Each current sensing circuit has low burden and is isolated. Neutral, positive-sequence, and negative-
sequence current magnitudes are derived from the three-phase currents. An independent ground current
input is available for direct measurement of the current in a transformer neutral, tertiary winding or flux
balancing current transformer. Either one or two sets of CTs are provided in the BE1-11gdepending on
the style number. Refer to the style chart for more information.
Programmable Inputs and Outputs
Programmable contact inputs and outputs are described in the following paragraphs.
Programmable Inputs
Programmable contact sensing inputs with programmable signal conditioning provide a binary logic
interface to the protection and control system. Each input function and label is programmable using
BESTlogicPlus. A user-meaningful label can be assigned to each input and to each state (energized and
de-energized) for use in reporting functions. Board mounted jumpers support dual voltage ratings.
Protection systems in a J style case are equipped with either seven or 10 contact sensing inputs. Refer to
the style chart for I/O options. Protection systems in an H or P style case are equipped with four contact
sensing inputs.

4 9424200994 Rev U
Introduction BE1-11g
Programmable Outputs
Programmable general-purpose contact outputs provide a binary logic interface to the protection and
control system. One programmable, failsafe contact output serves as an alarm output. Each output
function and label is programmable using BESTlogicPlus. A user-meaningful name can be assigned to
each output and to each state (energized and de-energized) for use in reporting functions. Output logic
can be overridden to open, close, or pulse each output contact for testing or control purposes. All output
contacts are trip rated.
Protection systems in a J style case are equipped with either eight or five general-purpose contact
outputs. Refer to the style chart for I/O options. Protection systems in an H or P style case are equipped
with five general-purpose contact outputs.
Reporting and Alarms
Several reporting and alarm functions provide fault reporting, differential reporting, demand, breaker, and
trip circuit monitoring. Reporting of power quality, energy data, and general status is also provided.
Alarms
Extensive self-diagnostics will trigger a fatal relay trouble alarm if any of the BE1-11gcore functions are
compromised. Fatal relay trouble alarms are not programmable and are dedicated to the Alarm output
(OUTA) and the front panel Relay Trouble LED. Additional relay trouble alarms and all other alarm
functions are programmable for major or minor priority. Programmed alarms are indicated by major or
minor alarm LEDs on the front panel. Major and minor alarm points can also be programmed to any
output contact including OUTA. Over 50 alarm conditions are available to be monitored including user-
definable logic conditions using BESTlogicPlus.
Active alarms can be read and reset at the front panel or through the communication ports. A historical
sequence of events report with time stamps lists when each alarm occurred and cleared. These reports
are available through the communication ports.
Breaker Monitoring
Breaker statistics are recorded for a single breaker. They include the number of operations, fault current
interruption duty, and breaker time to trip. Each of these conditions can be set to trigger an alarm.
Trip Circuit Monitor (52TCM)
The trip circuit of a breaker or lockout relay can be monitored for loss of voltage (fuse blown) or loss of
continuity (trip coil open). Additional trip or close circuit monitors can be implemented in BESTlogicPlus
using additional inputs, logic timers, and programmable logic alarms.
Demands
Demand values are continuously calculated for phase currents, neutral current, negative-sequence
current, ground current, real power, reactive power, and apparent power. The demand interval and
demand calculation method are independently settable for phase, neutral, and negative-sequence
measurements. Demand reporting records peak and present demand with time stamps for each register.
Power Quality
The BE1-11goffers IEC 61000-4-30 Class B power quality measurement performance. Power quality
settings include a fixed or sliding reference mode, dip hysteresis, dip ratio, swell hysteresis, and swell
ratio.
Energy Data Reporting
Energy information in the form of watthours and varhours is measured and reported by the BE1-11g. Both
positive and negative values are reported in three-phase, primary units.
General Status Reporting
The BE1-11gprovides extensive general status reporting for monitoring, commissioning, and
troubleshooting. Status reports are available from the front-panel display or communication ports.

9424200994 Rev U 5
BE1-11gIntroduction
Fault Reporting
Fault reports consist of simple target information, fault summary reports, and detailed oscillography
records to enable the user to retrieve information about disturbances in as much detail as is desired. The
BE1-11grecords and reports oscillography data in industry-standard IEEE, COMTRADE format to allow
using any fault analysis software. Basler Electric provides a Windows®based program called
BESTwave™that can read and plot binary or ASCII format files that are in the COMTRADE format. A
copy of BESTwave is included on the BE1-11 product CD.
Sequence of Events Recorder
A Sequence of Events Recorder (SER) records and time stamps all BE1-11ginputs and outputs as well
as all alarm conditions monitored by the BE1-11g. Time stamp resolution is to the nearest half-cycle. I/O
and Alarm reports can be extracted from the records as well as reports of events recorded during the time
span associated with a specific fault report.
Protection and Control
The BE1-11gincludes protection elements that monitor voltage, current, power, phase angle, frequency,
temperature, and more to provide protection against faults and abnormal operating conditions. Control
elements make the BE1-11gcapable of controlling complex distribution configurations. The following
paragraphs describe each protection and control function.
Overexcitation (24) Protection
One volts per hertz protection element provides overexcitation protection for a generator and/or
transformer.
Sync-Check (25) Protection
With the auxiliary voltage input connected to the bus, one sync-check function provides synchronism
protection. Sync-check protection checks for phase angle difference, magnitude difference, frequency
difference (slip) and, optionally, if the three-phase VT frequency is greater than the auxiliary VT
frequency. One voltage monitor output (25VM) provides independent dead/live voltage closing logic.
Undervoltage (27P) and Overvoltage (59P) Protection
Five phase undervoltage and four phase overvoltage elements are included. Phase
undervoltage/overvoltage protection can be set to operate when one, two, or three phases decrease
below the pickup level. When a four-wire voltage transformer connection is used, under/overvoltage
protection can be set for either phase-to-phase voltage or phase-to-neutral voltage. The 27P elements
are equipped with an undervoltage inhibit feature. Inverse or definite time can be selected.
Auxiliary Undervoltage (27X) and Auxiliary Overvoltage (59X) Protection
Four auxiliary overvoltage and four auxiliary undervoltage elements provide over/undervoltage protection.
Auxiliary voltage protection elements can be set to monitor separately the third harmonic, neutral-shift,
positive-sequence, negative-sequence, or auxiliary fundamental voltages. Ground unbalance protection is
provided when the auxiliary voltage input is connected to a source of 3V0 such as a broken-delta VT or
when 3V0 mode is selected to obtain calculated offset voltage from the phase quantities. The 27X is
equipped with an undervoltage inhibit feature. Inverse or definite time can be selected.
Vector Jump (78) Protection
One vector jump protection element protects the generator by disconnecting it from the grid when a loss
of mains or mains failure occurs, preventing the generator from remaining tied to the mains if the mains
returns due to an external reclose device.
Frequency (81) Protection
Eight independent frequency elements can be set for over, under, or rate of change (81R) frequency
operation. Each can be set separately to monitor the frequency on the main three-phase voltage input or
the Vx input. Rate of change can be set to operate on positive, negative, or “either”.

6 9424200994 Rev U
Introduction BE1-11g
Note
BE1-11gprotection systems enabled for IEC-61850 communication
(style Gxxxx5xxxxxxxx) have their frequency protection elements fixed
at four underfrequency elements, two overfrequency elements, and
two frequency rate-of-change elements.
Instantaneous Overcurrent (50) Protection
Directional overcurrent protection is provided by six instantaneous overcurrent elements. Digital signal
processing filters out unwanted harmonic components while providing fast overcurrent response with
limited transient overreach and overtravel.
Instantaneous overcurrent elements can be set for single-phase, three-phase, ground, neutral, positive-
sequence, negative-sequence, or unbalanced protection.
Breaker Failure (50BF) Protection
One breaker failure function provides protection and security for the power system against failure of the
monitored breaker.
Inverse Overcurrent (51) Protection
Seven inverse overcurrent elements can be set for single-phase, three-phase, ground, neutral, positive-
sequence, negative-sequence, or unbalanced protection. Inverse-overcurrent functions employ a dynamic
integrating timing algorithm covering a range from pickup to 40 times pickup with selectable
instantaneous or integrated reset characteristics. Inverse time overcurrent curves conform to IEEE Std
C37.112-1996 - IEEE Standard Inverse-Time Characteristic Equations for Overcurrent Relays, and
include seven curves similar to Westinghouse/ABB CO curves, five curves similar to GE IAC curves, four
table curves, a fixed time curve, and a user programmable curve.
Phase inverse overcurrent elements can be voltage restrained or controlled for generator backup
applications. Negative-sequence current protection (46) is included as a mode of the 51 (inverse
overcurrent) element. Each inverse overcurrent element can be set separately for forward, reverse, or
non-directional control.
A separate ground current input provides ground overcurrent protection for a separate ground CT.
Optionally, an SEF (sensitive earth fault) version of the separate ground CT is available.
Phase Current Differential (87) Protection (style GxxxxxxxPxxxxx or GxxxxxxxTxxxxx)
One phase current differential element provides three-phase, percentage-restrained, differential
protection with dual-slope, in-phase, differential mode. In flux balance mode, the differential CTs are
connected in a flux balancing configuration.
Neutral Current Differential (87N) Protection (style GxxxxxxxPxxxxx or GxxxxxxxTxxxxx)
One neutral current differential element provides sensitive phase-to-ground fault differential protection for
the wye winding of the transformer.
Power (32) Protection
Two directional power elements can be set for forward or reverse, overpower or underpower protection.
The element can be used for any application requiring directional power flow detection including intertie
protection (interconnects between an electric utility and a source of non-utility generation). The power
measurement algorithm is adapted as appropriate for any possible three-phase or single-phase voltage
transformer connection. Directional Power Protection can be set for one of three, two of three, three of
three, or total power.

9424200994 Rev U 7
BE1-11gIntroduction
Note
BE1-11gprotection systems enabled for IEC-61850 communication
(style Gxxxx5xxxxxxxx) have their power protection elements fixed at
one underpower element and one overpower element.
Loss of Excitation - Reverse Var Based (40Q) Protection
One loss of excitation element monitors three-phase reactive power (vars) to determine when a loss of
field condition exists.
Loss of Excitation - Impedance Based (40Z) Protection
One loss of excitation element implements a two zone offset mho characteristic to protect against varying
load conditions.
Distance (21) Protection
Two distance protection elements provide backup protection in applications where the protected zone is
connected to the transmission. Settings are provided to configure a zone of reach using a mho circle.
Out of Step (78OOS) Protection
When a generator loses synchronism, high peak currents and off-frequency operation can cause winding
stress, high rotor iron currents, pulsating torques, and mechanical resonances that may be damaging to
the machine. The out of step element monitors the generator or step-up transformer terminals and
detects an out-of-step condition based on the rate of impedance change.
Resistance Temperature Detector (49RTD) Protection
Fourteen resistance temperature detector elements provide over/undertemperature protection in
applications where a remote RTD module is connected to the BE1-11gvia Ethernet or RS-485 cable. For
more information, refer to the RTD Module chapter.
Analog Input Protection
Eight analog input protection elements monitor external analog input signals when two remote RTD
modules are connected via an Ethernet or RS-485 cable. Four analog inputs are provided with each RTD
module.
Fuse Loss (60FL)
A fuse loss element protects against false tripping due to a loss of voltage sensing. Voltage transformer
circuit monitoring adds security by detecting problems in the voltage transformer sensing circuits and
preventing misoperations of the 21, 24, 25, 25A, 27, 27X, 32, 40Z, 59, 59X, 67, 78V, and 51/27 functions.
Auto Synchronizer (25A) (style GxxxxxxxSxxxxx or GxxxxxxxTxxxxx)
An auto synchronizer element synchronizes a generator to a bus by matching the voltage, frequency, and
phase angle. Modes are provided for Phase Lock Loop or Anticipatory operation.
Breaker Control Switch (101)
Tripping and closing of a selected breaker can be controlled by the virtual breaker control switch. The
virtual breaker control switch is accessed locally at the front panel or remotely through the communication
ports.
Virtual Control Switches (43)
Five virtual control switches are accessed locally at the front panel or remotely through the
communication ports. Virtual switches can be used to trip and close additional switches or breakers, or
enable and disable certain functions.

8 9424200994 Rev U
Introduction BE1-11g
Logic Timers (62)
Eight logic timers with six modes of operation emulate virtually any type of timer.
Lockout Functions (86)
Two lockout elements are provided.
BESTlogic™Plus Programmable Logic
Each BE1-11gprotection and control function is implemented in an independent function element. Every
function block is equivalent to its single function, discrete device counterpart so it is immediately familiar
to the protection engineer. Each independent function block has all of the inputs and outputs that the
discrete component counterpart may have. Programming with BESTlogicPlus is equivalent to choosing
the devices required by your protection and control scheme and then drawing schematic diagrams to
connect the inputs and outputs to obtain the desired operating logic.
Custom logic settings allow you to tailor the BE1-11gfunctionality to match the needs of your operation's
practices and power system requirements.
Metering Functions
Metering is provided for the following parameters:
•Primary and secondary voltages (P-P, P-N, V1, V2, 3V0, Vx, Vx 3rd harmonic)
•Frequency (phase and auxiliary)
•Primary and secondary currents (phase, ground, I1, I2, 3I0)
•Power (real, reactive, apparent)
•Power factor
•Synchronization
•Phase differential (Iop, Ir, 2nd Harmonic, 5th Harmonic)
•Neutral differential (Iop)
•Energy (total watthours and total varhours)
•Analog inputs and outputs
•RTD input temperatures
Model and Style Number Description
BE1-11gelectrical characteristics and operational features are defined by a combination of letters and
numbers that make up the style number. The style number describes the options included in a specific
device and appears on labels located on the front panel and inside the case. Upon receipt of a BE1-11g,
be sure to check the style number against the requisition and the packing list to ensure that they agree.
The model number and style number are shown in Figure 1.