GE G30 User manual

GE
Grid Solutions
Instruction Manual
Product version: 7.6x
GE publication code: 1601-0166-AF2 (GEK-131000A)
G30
Generator Protection System
1601-0166-AF2
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Copyright © 2017 GE Multilin Inc. All rights reserved.
G30 Generator Protection System Instruction Manual for version 7.6x.
G30, FlexLogic, FlexElement, FlexCurve, FlexAnalog, FlexInteger, FlexState, EnerVista,
CyberSentry, HardFiber, Multilin, and GE Multilin are trademarks or registered trademarks
of GE Multilin Inc.
The contents of this manual are the property of GE Multilin Inc. This documentation is
furnished on license and may not be reproduced in whole or in part without the permission
of GE Multilin. The content of this manual is for informational use only and is subject to
change without notice.
Part number: 1601-0166-AF2 (October 2017)

G30 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL iii
G30 Generator Protection System
Table of contents
1INTRODUCTION 1.1 Safety symbols and definitions ........................................................................... 1-1
1.1.1 General cautions and warnings .................................................................................... 1-1
1.2 For further assistance........................................................................................... 1-2
2PRODUCT
DESCRIPTION
2.1 Product description ............................................................................................... 2-1
2.2 Security .................................................................................................................... 2-5
2.3 Order codes............................................................................................................. 2-9
2.3.1 Order codes with enhanced CT/VT modules........................................................... 2-9
2.3.2 Order codes with process bus modules ..................................................................2-12
2.3.3 Replacement modules.....................................................................................................2-15
2.4 Signal processing................................................................................................. 2-18
2.4.1 UR signal processing ........................................................................................................2-18
2.5 Specifications........................................................................................................ 2-20
2.5.1 Protection elements..........................................................................................................2-20
2.5.2 User-programmable elements ....................................................................................2-26
2.5.3 Monitoring..............................................................................................................................2-28
2.5.4 Metering..................................................................................................................................2-28
2.5.5 Inputs .......................................................................................................................................2-29
2.5.6 Power supply........................................................................................................................2-31
2.5.7 Outputs....................................................................................................................................2-31
2.5.8 Communication protocols..............................................................................................2-34
2.5.9 Inter-relay communications..........................................................................................2-35
2.5.10 CyberSentry security.........................................................................................................2-36
2.5.11 Graphical front panel........................................................................................................2-36
2.5.12 Environmental......................................................................................................................2-37
2.5.13 Type tests...............................................................................................................................2-38
2.5.14 Production tests..................................................................................................................2-38
2.5.15 Approvals ...............................................................................................................................2-39
2.5.16 Maintenance.........................................................................................................................2-39
3 INSTALLATION 3.1 Unpack and inspect ............................................................................................... 3-1
3.2 Panel cutouts .......................................................................................................... 3-2
3.2.1 Horizontal units ..................................................................................................................... 3-2
3.2.2 Vertical units........................................................................................................................... 3-6

iv G30 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
TABLE OF CONTENTS
3.2.3 Rear terminal layout.........................................................................................................3-11
3.3 Wiring .....................................................................................................................3-13
3.3.1 Typical wiring.......................................................................................................................3-13
3.3.2 Dielectric strength .............................................................................................................3-15
3.3.3 Control power......................................................................................................................3-16
3.3.4 CT/VT modules ....................................................................................................................3-17
3.3.5 Process bus modules ....................................................................................................... 3-19
3.3.6 Contact inputs and outputs ..........................................................................................3-19
3.3.7 Transducer inputs and outputs...................................................................................3-31
3.3.8 RS232 port.............................................................................................................................3-33
3.3.9 CPU communication ports ............................................................................................3-34
3.3.10 IRIG-B.......................................................................................................................................3-36
3.4 Direct input and output communications .......................................................3-37
3.4.1 Description............................................................................................................................3-37
3.4.2 Fiber: LED and ELED transmitters...............................................................................3-39
3.4.3 Fiber laser transmitters...................................................................................................3-39
3.4.4 G.703 interface....................................................................................................................3-40
3.4.5 RS422 interface...................................................................................................................3-44
3.4.6 RS422 and fiber interface ..............................................................................................3-46
3.4.7 G.703 and fiber interface................................................................................................3-47
3.4.8 IEEE C37.94 interface .......................................................................................................3-47
3.4.9 C37.94SM interface...........................................................................................................3-50
3.5 Activate relay ........................................................................................................3-53
3.6 Install software.....................................................................................................3-54
3.6.1 EnerVista communication overview ......................................................................... 3-54
3.6.2 System requirements....................................................................................................... 3-55
3.6.3 Install software....................................................................................................................3-56
3.7 Add device to software........................................................................................3-57
3.7.1 Set IP address in UR..........................................................................................................3-58
3.7.2 Configure serial connection..........................................................................................3-63
3.7.3 Configure Ethernet connection...................................................................................3-65
3.7.4 Configure modem connection.....................................................................................3-66
3.7.5 Automatic discovery of UR devices...........................................................................3-66
3.8 Connect to the G30...............................................................................................3-67
3.8.1 Connect to the G30 in EnerVista.................................................................................3-67
3.8.2 Use Quick Connect via front RS232 port.................................................................3-68
3.8.3 Use Quick Connect via front USB port .....................................................................3-69
3.8.4 Use Quick Connect via a rear Ethernet port..........................................................3-69
3.9 Set up CyberSentry and change default password........................................3-70
3.10 Import settings .....................................................................................................3-71
3.11 Connect to D400 gateway...................................................................................3-72
3.11.1 Oscillography files..............................................................................................................3-72
3.11.2 Event records.......................................................................................................................3-72
3.11.3 Log files...................................................................................................................................3-72
3.11.4 Setting files............................................................................................................................3-73
4INTERFACES 4.1 EnerVista software interface................................................................................4-1
4.1.1 Introduction .............................................................................................................................4-1
4.1.2 Settings files ............................................................................................................................4-1
4.1.3 Event viewing..........................................................................................................................4-2
4.1.4 File support ..............................................................................................................................4-3
4.1.5 EnerVista main window .....................................................................................................4-3
4.1.6 Protection summary window..........................................................................................4-4
4.1.7 Settings templates................................................................................................................4-5
4.1.8 Secure and lock FlexLogic equations..........................................................................4-9

TABLE OF CONTENTS
G30 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL v
4.1.9 Settings file traceability ...................................................................................................4-12
4.2 Front panel interface........................................................................................... 4-15
4.2.1 Front panel ............................................................................................................................4-15
4.2.2 Front panel display............................................................................................................4-17
4.2.3 Front panel navigation keys..........................................................................................4-37
4.2.4 LED indicators ......................................................................................................................4-38
4.2.5 Front panel labelling .........................................................................................................4-43
4.2.6 Menu navigation.................................................................................................................4-49
4.2.7 Change settings ..................................................................................................................4-51
4.2.8 View actual values.............................................................................................................4-56
4.2.9 Breaker control....................................................................................................................4-57
4.2.10 Change passwords............................................................................................................4-58
4.2.11 Invalid password entry ....................................................................................................4-59
4.3 Logic diagrams..................................................................................................... 4-60
4.4 FlexLogic design using Engineer ....................................................................... 4-61
4.4.1 Design logic...........................................................................................................................4-63
4.4.2 Send file to and from device .........................................................................................4-73
4.4.3 Monitor logic.........................................................................................................................4-74
4.4.4 View front panel and print labels................................................................................4-75
4.4.5 Generate connectivity report........................................................................................4-76
4.4.6 Preferences ...........................................................................................................................4-76
4.4.7 Toolbars ..................................................................................................................................4-80
5 SETTINGS 5.1 Settings menu......................................................................................................... 5-1
5.2 Overview.................................................................................................................. 5-4
5.2.1 Introduction to elements .................................................................................................. 5-4
5.2.2 Introduction to AC sources .............................................................................................. 5-6
5.3 Product setup.......................................................................................................... 5-7
5.3.1 Security ..................................................................................................................................... 5-7
5.3.2 Display properties ..............................................................................................................5-26
5.3.3 Graphical front panel........................................................................................................5-28
5.3.4 Clear relay records.............................................................................................................5-40
5.3.5 Communications ................................................................................................................5-41
5.3.6 Modbus user map ........................................................................................................... 5-108
5.3.7 Real time clock..................................................................................................................5-109
5.3.8 User-programmable fault report.............................................................................5-113
5.3.9 Oscillography.....................................................................................................................5-114
5.3.10 Data logger ........................................................................................................................5-116
5.3.11 User-programmable LEDs ..........................................................................................5-118
5.3.12 User-programmable self-tests .................................................................................5-122
5.3.13 Control pushbuttons......................................................................................................5-123
5.3.14 User-programmable pushbuttons..........................................................................5-124
5.3.15 Flex state parameters...................................................................................................5-130
5.3.16 User-definable displays................................................................................................5-131
5.3.17 Direct inputs and outputs............................................................................................5-133
5.3.18 Teleprotection...................................................................................................................5-139
5.3.19 Installation..........................................................................................................................5-140
5.4 Remote resources..............................................................................................5-140
5.4.1 Remote resources configuration .............................................................................5-140
5.5 System setup.......................................................................................................5-142
5.5.1 AC inputs .............................................................................................................................5-142
5.5.2 Power system....................................................................................................................5-143
5.5.3 Signal sources...................................................................................................................5-144
5.5.4 Transformer .......................................................................................................................5-147
5.5.5 Breakers...............................................................................................................................5-158

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5.5.6 Disconnect switch control .......................................................................................... 5-163
5.5.7 FlexCurves.......................................................................................................................... 5-168
5.6 FlexLogic.............................................................................................................. 5-175
5.6.1 FlexLogic operands........................................................................................................ 5-175
5.6.2 FlexLogic rules.................................................................................................................. 5-188
5.6.3 FlexLogic evaluation...................................................................................................... 5-188
5.6.4 FlexLogic example..........................................................................................................5-189
5.6.5 FlexLogic equation editor............................................................................................ 5-194
5.6.6 FlexLogic timers............................................................................................................... 5-194
5.6.7 FlexElements ..................................................................................................................... 5-194
5.6.8 Non-volatile latches.......................................................................................................5-198
5.7 Grouped elements............................................................................................. 5-199
5.7.1 Overview ............................................................................................................................. 5-199
5.7.2 Setting group 1................................................................................................................. 5-200
5.7.3 Transformer....................................................................................................................... 5-200
5.7.4 Phase current ................................................................................................................... 5-208
5.7.5 Neutral current................................................................................................................. 5-220
5.7.6 Ground current ................................................................................................................ 5-228
5.7.7 Negative sequence current........................................................................................ 5-235
5.7.8 Generator unbalance (ANSI 46)................................................................................ 5-239
5.7.9 Split phase protection (ANSI 50SP).......................................................................... 5-241
5.7.10 Voltage elements ............................................................................................................ 5-245
5.7.11 Loss of excitation (ANSI 40) ........................................................................................ 5-257
5.7.12 Accidental energization (ANSI 50/27) .................................................................... 5-259
5.7.13 Sensitive directional power (ANSI 32) .................................................................... 5-261
5.7.14 Stator ground.................................................................................................................... 5-264
5.8 Control elements ............................................................................................... 5-266
5.8.1 Overview ............................................................................................................................. 5-266
5.8.2 Trip bus ................................................................................................................................ 5-267
5.8.3 Setting groups .................................................................................................................. 5-269
5.8.4 Selector switch................................................................................................................. 5-270
5.8.5 Underfrequency (ANSI 81U)........................................................................................ 5-277
5.8.6 Overfrequency (ANSI 81O) .......................................................................................... 5-278
5.8.7 Frequency rate of change (ANSI 81R).................................................................... 5-279
5.8.8 Frequency out-of-band accumulation ................................................................. 5-281
5.8.9 Synchrocheck (ANSI 25) ............................................................................................... 5-282
5.8.10 Digital elements............................................................................................................... 5-288
5.8.11 Digital counters................................................................................................................ 5-291
5.8.12 Monitoring elements ..................................................................................................... 5-293
5.9 Inputs/outputs ................................................................................................... 5-302
5.9.1 Contact inputs.................................................................................................................. 5-302
5.9.2 Virtual inputs..................................................................................................................... 5-304
5.9.3 Contact outputs............................................................................................................... 5-305
5.9.4 Virtual outputs.................................................................................................................. 5-309
5.9.5 Resetting ............................................................................................................................. 5-309
5.9.6 Direct inputs and outputs ........................................................................................... 5-310
5.9.7 Teleprotection................................................................................................................... 5-314
5.10 Transducer inputs/outputs.............................................................................. 5-316
5.10.1 DCmA inputs...................................................................................................................... 5-316
5.10.2 RTD inputs .......................................................................................................................... 5-317
5.10.3 DCmA outputs .................................................................................................................. 5-318
5.11 Testing................................................................................................................. 5-322
5.11.1 Test mode function ........................................................................................................5-322
5.11.2 Test mode forcing........................................................................................................... 5-322
5.11.3 Force contact inputs ..................................................................................................... 5-323
5.11.4 Force contact outputs .................................................................................................. 5-323

TABLE OF CONTENTS
G30 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL vii
6 ACTUAL VALUES 6.1 Actual Values menu............................................................................................... 6-1
6.2 Front panel .............................................................................................................. 6-3
6.2.1 Enhanced and standard front panels......................................................................... 6-3
6.2.2 Graphical front panel.......................................................................................................... 6-4
6.3 Status .......................................................................................................................6-5
6.3.1 Contact inputs ....................................................................................................................... 6-5
6.3.2 Virtual inputs........................................................................................................................... 6-5
6.3.3 RxGOOSE boolean inputs.................................................................................................. 6-5
6.3.4 RxGOOSE DPS inputs .......................................................................................................... 6-5
6.3.5 Teleprotection inputs.......................................................................................................... 6-6
6.3.6 Contact outputs .................................................................................................................... 6-6
6.3.7 Virtual outputs ....................................................................................................................... 6-6
6.3.8 RxGOOSE status.................................................................................................................... 6-7
6.3.9 RxGOOSE statistics .............................................................................................................. 6-7
6.3.10 Digital counters ..................................................................................................................... 6-7
6.3.11 Selector switches.................................................................................................................. 6-8
6.3.12 Flex States................................................................................................................................ 6-8
6.3.13 Ethernet .................................................................................................................................... 6-8
6.3.14 Real time clock synchronizing........................................................................................ 6-8
6.3.15 Direct inputs............................................................................................................................ 6-9
6.3.16 Direct devices status ........................................................................................................6-10
6.3.17 EGD protocol status ..........................................................................................................6-10
6.3.18 Teleprotection channel tests ........................................................................................6-11
6.3.19 Remaining connection status.......................................................................................6-11
6.3.20 Parallel Redundancy Protocol (PRP)...........................................................................6-12
6.3.21 TxGOOSE status ..................................................................................................................6-12
6.4 Metering................................................................................................................. 6-13
6.4.1 Metering conventions.......................................................................................................6-13
6.4.2 Transformer ..........................................................................................................................6-17
6.4.3 Sources....................................................................................................................................6-18
6.4.4 Synchrocheck.......................................................................................................................6-23
6.4.5 Tracking frequency............................................................................................................6-23
6.4.6 Frequency rate of change..............................................................................................6-24
6.4.7 Frequency out-of-band accumulation.....................................................................6-24
6.4.8 FlexElements.........................................................................................................................6-24
6.4.9 RxGOOSE analogs ..............................................................................................................6-25
6.4.10 Sensitive directional power ...........................................................................................6-25
6.4.11 Stator ground.......................................................................................................................6-25
6.4.12 Volts per hertz......................................................................................................................6-26
6.4.13 Restricted ground fault....................................................................................................6-26
6.4.14 Transducer inputs and outputs ...................................................................................6-26
6.5 Records ..................................................................................................................6-26
6.5.1 User-programmable fault reports..............................................................................6-26
6.5.2 Event records .......................................................................................................................6-27
6.5.3 Oscillography........................................................................................................................6-28
6.5.4 Data logger ...........................................................................................................................6-29
6.5.5 Breaker maintenance.......................................................................................................6-29
6.6 Product information ............................................................................................ 6-30
6.6.1 Model information..............................................................................................................6-30
6.6.2 Firmware revisions ............................................................................................................6-30
7 COMMANDS AND
TARGETS
7.1 Commands menu................................................................................................... 7-1
7.1.1 Virtual inputs........................................................................................................................... 7-2
7.1.2 Clear records .......................................................................................................................... 7-2

viii G30 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
TABLE OF CONTENTS
7.1.3 Set date and time..................................................................................................................7-3
7.1.4 Relay maintenance ..............................................................................................................7-3
7.1.5 Security......................................................................................................................................7-4
7.2 Targets menu ..........................................................................................................7-5
7.2.1 Target messages...................................................................................................................7-5
7.2.2 Relay self-tests .......................................................................................................................7-6
8 APPLICATION OF
SETTINGS
8.1 Overview ..................................................................................................................8-1
8.1.1 Introduction .............................................................................................................................8-1
8.1.2 In-zone transformer with VT on the high-voltage side .......................................8-1
8.1.3 In-zone transformer with VT on the low-voltage side.........................................8-3
8.1.4 No in-zone transformer .....................................................................................................8-4
8.2 Settings.....................................................................................................................8-6
8.2.1 System setup...........................................................................................................................8-6
8.2.2 Power system .........................................................................................................................8-7
8.2.3 Signal sources ........................................................................................................................8-7
8.2.4 Generator unbalance..........................................................................................................8-8
8.2.5 Loss of excitation ..................................................................................................................8-9
8.2.6 Reverse power.....................................................................................................................8-10
8.2.7 System backup overcurrent..........................................................................................8-10
8.2.8 Overexcitation .....................................................................................................................8-12
8.2.9 Inputs/outputs.....................................................................................................................8-12
8.2.10 Frequency..............................................................................................................................8-13
8.2.11 Accidental energization .................................................................................................. 8-14
8.2.12 FlexLogic ................................................................................................................................8-14
9 COMMISSIONING 9.1 Testing......................................................................................................................9-1
9.1.1 Testing underfrequency and overfrequency elements.......................................9-1
10 THEORY OF
OPERATION
10.1 Directional principle.............................................................................................10-1
10.1.1 Current directional protection .....................................................................................10-1
10.2 Saturation detector..............................................................................................10-2
10.2.1 CT saturation detection...................................................................................................10-2
11 MAINTENANCE 11.1 Monitoring .............................................................................................................11-1
11.1.1 Devices with Site Targets ...............................................................................................11-1
11.1.2 Data with Modbus Analyzer..........................................................................................11-1
11.2 General maintenance ..........................................................................................11-3
11.2.1 In-service maintenance..................................................................................................11-3
11.2.2 Out-of-service maintenance ........................................................................................11-3
11.2.3 Unscheduled maintenance (system interruption) ..............................................11-3
11.3 Retrieve files..........................................................................................................11-3
11.3.1 CyberSentry security event files..................................................................................11-4
11.4 Convert device settings.......................................................................................11-5
11.5 Copy settings to other device ............................................................................11-7
11.6 Copy settings to other device ............................................................................11-7
11.7 Compare settings .................................................................................................11-7
11.7.1 Compare against defaults.............................................................................................11-8
11.7.2 Compare two devices ...................................................................................................... 11-8
11.8 Back up and restore settings .............................................................................11-9
11.8.1 Back up settings .................................................................................................................11-9
11.8.2 Restore settings............................................................................................................... 11-11

TABLE OF CONTENTS
G30 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL ix
11.9 Upgrade software ..............................................................................................11-13
11.10 Upgrade firmware..............................................................................................11-14
11.11 Replace front panel ...........................................................................................11-16
11.12 Replace module..................................................................................................11-24
11.13 Battery .................................................................................................................11-25
11.13.1 Replace battery for SH/SL power supply .............................................................11-25
11.13.2 Dispose of battery...........................................................................................................11-26
11.14 Clear files and data after uninstall.................................................................11-30
11.15 Repairs .................................................................................................................11-30
11.16 Storage.................................................................................................................11-31
11.17 Disposal ...............................................................................................................11-31
AFLEXANALOG
OPERANDS
A.1 FlexAnalog items ....................................................................................................A-1
B RADIUS SERVER
CONFIGURATION
B.1 RADIUS server configuration ............................................................................... B-1
C COMMAND LINE
INTERFACE
C.1 Command line interface .......................................................................................C-1
D MISCELLANEOUS D.1 Warranty .................................................................................................................D-1
D.2 Revision history ......................................................................................................D-1
ABBREVIATIONS
INDEX

xG30 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
TABLE OF CONTENTS