GE LPS-O User manual

LPS-O
Line Protection™ System
Instruction Manual
LPS-O Revision: V0001.03AA20
Manual P/N: GEK-106266A
Copyright © 2001 GE Power Management
GE Power Management
215 Anderson Avenue, Markham, Ontario
Canada L6E 1B3
Tel: [phone] Fax: [phone]
Internet: http://www.GEindustrial.com/pm/
Note: All relays must be powered up at least once per year to
avoid deterioration of electrolytic capacitors and
subsequent relay failure.
Manufactured under an
ISO9002 Registered system.
g
GE Power Management

These instructions do not purport to cover all details or variations in equipment
nor provide for every possible contin
g
ency to be met in connection with instal-
lation, operation, or maintenance. Should further information be desired or
should particular problems arise which are not covered sufficiently for the pur-
chaser’s purpose, the matter should be referred to the General Electric
Company.
To the extent required the products described herein meet applicable ANSI,
IEEE, and NEMA standards; but no such assurance is
g
iven with respect to
local codes and ordinances because they vary
g
reatly.

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TABLE OF CONTENTS
1. PRODUCT DESCRIPTION 1.1 GETTING STARTED
1.1.1 DESCRIPTION .......................................................................................... 1-1
1.1.2 PASSWORDS: FACTORY SET ................................................................ 1-1
1.1.3 REMOTE COMMUNICATIONS VIA LOCAL PC .......................................1-2
1.1.4 PASSWORDS WITH LPSO-LINK.............................................................. 1-2
1.1.5 ORDERING................................................................................................ 1-3
1.2 INTRODUCTION
1.2.1 DESCRIPTION .......................................................................................... 1-4
1.2.2 APPLICATION........................................................................................... 1-4
1.2.3 PROTECTION FUNCTIONS ..................................................................... 1-4
1.3 CUSTOM PROGRAMMABILITY
1.3.1 INTRODUCTION ....................................................................................... 1-6
1.3.2 CONFIGURABLE INPUTS ........................................................................ 1-6
1.3.3 CONFIGURABLE OUTPUTS .................................................................... 1-6
1.3.4 PROGRAMMABLE LOGIC........................................................................ 1-7
1.4 AUXILIARY PROTECTION FUNCTIONS
1.4.1 POTENTIAL TRANSFORMER FUSE FAILURE (PTFF)...........................1-8
1.4.2 LINE PICKUP............................................................................................. 1-8
1.4.3 REMOTE-OPEN DETECTOR ................................................................... 1-9
1.4.4 OUT-OF-STEP BLOCKING..................................................................... 1-10
1.5 OTHER FEATURES
1.5.1 FLASH MEMORY.................................................................................... 1-12
1.5.2 LINE OVERLOAD.................................................................................... 1-12
1.5.3 CURRENT UNBALANCE DETECTION................................................... 1-12
1.5.4 FAULT REPORT...................................................................................... 1-12
1.5.5 OSCILLOGRAPHY.................................................................................. 1-12
1.5.6 PLAYBACK.............................................................................................. 1-13
1.5.7 SEQUENCE OF EVENTS.......................................................................1-13
1.5.8 EQUIPMENT DUTY................................................................................. 1-13
1.5.9 SELECTABLE GROUPS OF SETTINGS................................................ 1-13
1.5.10 TIME SYNCHRONIZATION..................................................................... 1-14
1.5.11 TRIP BUS CHECK................................................................................... 1-15
1.5.12 TRIP CIRCUIT MONITOR....................................................................... 1-15
1.5.13 ALARMS.................................................................................................. 1-15
1.5.14 METERING.............................................................................................. 1-16
1.5.15 BREAKER CONTROL............................................................................. 1-16
1.6 COMMUNICATIONS
1.6.1 KEYPAD AND DISPLAY..........................................................................1-17
1.6.2 SERIAL COMMUNICATIONS.................................................................. 1-17
1.7 SELF-TEST FEATURES
1.7.1 START-UP SELF-TESTS........................................................................ 1-18
1.7.2 RUN-TIME SELF-TESTS......................................................................... 1-18
1.7.3 CONTINUOUS MONITOR....................................................................... 1-19
1.8 PROTECTION SCHEME DESCRIPTIONS
1.8.1 INTRODUCTION ..................................................................................... 1-20
1.8.2 STEP DISTANCE .................................................................................... 1-20
1.9 OUT-OF-STEP TRIPPING
1.9.1 DESCRIPTION ........................................................................................ 1-22
1.9.2 OST CHARACTERISTIC SHAPE............................................................ 1-22
1.9.3 OUT-OF-STEP DETECTION................................................................... 1-24
1.9.4 TWO-CHARACTERISTIC OPERATION.................................................. 1-24
1.9.5 OUT-OF-STEP OSCILLOGRAPHY CAPTURE.......................................1-24

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1.10 ELEMENTARY DIAGRAM
1.10.1 ELEMENTARY DIAGRAM....................................................................... 1-25
2. CALCULATION OF
SETTINGS 2.1 INTRODUCTION
2.1.1 DESCRIPTION .......................................................................................... 2-1
a GENERAL SETTINGS............................................................................... 2-1
b PROTECTION SETTINGS ........................................................................ 2-1
2.2 GENERAL SETTINGS
2.2.1 CONFIGURATION.....................................................................................2-3
2.2.2 COMMUNICATIONS .................................................................................2-5
2.2.3 OSCILLOGRAPHY .................................................................................... 2-6
2.2.4 EQUIPMENT DUTY...................................................................................2-7
2.2.5 PROGRAMMABLE INPUTS...................................................................... 2-8
2.3 PROTECTION SETTINGS
2.3.1 Z1DISTANCE............................................................................................. 2-9
2.3.2 ZONE 2, ZONE 3, AND ZONE 4 DISTANCE FUNCTIONS ......................2-9
2.3.3 Z2DISTANCE........................................................................................... 2-10
2.3.4 Z3DISTANCE........................................................................................... 2-11
2.3.5 Z4DISTANCE........................................................................................... 2-12
2.3.6 CURSUPVISN ......................................................................................... 2-14
2.3.7 OVERCURRNT........................................................................................ 2-15
2.3.8 VOLTAGE................................................................................................ 2-18
2.3.9 LINEPICKUP............................................................................................ 2-19
2.3.10 REMOTEOPEN ....................................................................................... 2-21
2.3.11 LINEOVRLD............................................................................................. 2-22
2.3.12 SCHEME TIMERS...................................................................................2-23
2.3.13 LINE INFO ............................................................................................... 2-23
2.3.14 OS BLOCKING ........................................................................................ 2-24
2.3.15 OS TRIPPING.......................................................................................... 2-25
2.3.16 NONCRIT_AL .......................................................................................... 2-27
2.3.17 OUTPUTS................................................................................................ 2-28
2.4 INVERSE CURVES
2.4.1 INVERSE CURVE.................................................................................... 2-29
2.4.2 VERY INVERSE CURVE.........................................................................2-30
2.4.3 EXTREMELY INVERSE CURVE.............................................................2-31
2.5 REFERENCE TABLES
2.5.1 INDEX NUMBERS...................................................................................2-32
2.5.2 PROTECTION SETTINGS GUIDE..........................................................2-37
2.5.3 GENERAL SETTINGS GUIDE ................................................................ 2-44
2.5.4 PROTECTION SETTINGS DATA SHEET...............................................2-47
2.5.5 GENERAL SETTINGS DATA SHEET..................................................... 2-54
3. HARDWARE
DESCRIPTION 3.1 CASE ASSEMBLY
3.1.1 CONSTRUCTION...................................................................................... 3-1
3.1.2 ELECTRICAL CONNECTIONS AND WIRING .......................................... 3-5
3.1.3 IDENTIFICATION ...................................................................................... 3-5
3.1.4 SYSTEM BLOCK DIAGRAM ..................................................................... 3-5
3.2 INSTALLATION
3.2.1 RECEIVING, HANDLING, & STORAGE.................................................... 3-7
3.2.2 ENVIRONMENT ........................................................................................ 3-7
3.2.3 MOUNTING ............................................................................................... 3-7

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3.2.4 EXTERNAL CONNECTIONS .................................................................... 3-7
3.2.5 SURGE GROUND CONNECTIONS.......................................................... 3-7
3.3 PRINTED CIRCUIT BOARD MODULES
3.3.1 WARNING.................................................................................................. 3-8
3.3.2 BASIC CONSTRUCTION.......................................................................... 3-8
3.3.3 MODULE IDENTIFICATION...................................................................... 3-8
3.3.4 LOCAL USER INTERFACE (LUI).............................................................. 3-8
3.3.5 INPUT BOARD .......................................................................................... 3-8
3.3.6 MAGNETICS MODULE........................................................................... 3-10
3.3.7 COMMUNICATIONS INTERFACE.......................................................... 3-11
3.3.8 DIGITAL OUTPUT / POWER SUPPLY BOARD...................................... 3-12
3.3.9 DSP / ANI / COMM / LUI.......................................................................... 3-13
3.3.10 960 CPU BOARD..................................................................................... 3-14
4. ACCEPTANCE/PERIODIC
TESTS 4.1 OVERVIEW
4.1.1 INTRODUCTION ....................................................................................... 4-1
4.1.2 TEST EQUIPMENT ................................................................................... 4-1
4.1.3 DRAWINGS AND REFERENCES............................................................. 4-1
4.1.4 EQUIPMENT GROUNDING ...................................................................... 4-2
4.1.5 REQUIRED SETTINGS............................................................................. 4-2
4.1.6 GENERAL INSTRUCTIONS...................................................................... 4-2
4.1.7 SETTING CHANGES................................................................................. 4-3
4.1.8 ENTERING TEST MODE .......................................................................... 4-4
4.1.9 USING COMMUNICATIONS (OPTIONAL) ............................................... 4-5
a HARDWARE SETUP................................................................................. 4-6
b PC SOFTWARE SETUP............................................................................ 4-6
c LOAD & START LPSO-LINK.....................................................................4-6
d SET LOCAL PC CONFIGURATION.......................................................... 4-6
e CREATE TEST UNIT DESCRIPTION....................................................... 4-6
f RELAY SETUP.......................................................................................... 4-7
g
LOGGING INTO THE RELAY....................................................................4-7
h SETTING CHANGES................................................................................. 4-7
i ENTERING TEST MODE .......................................................................... 4-8
j EXITING TEST MODE............................................................................... 4-8
k INITIAL TEST SETUP................................................................................ 4-8
4.2 GENERAL RELAY TESTS
4.2.1 T1 – RELAY STATUS AND DISPLAY TESTING ...................................... 4-9
a STATUS CHECK....................................................................................... 4-9
b DISPLAY AND KEYPAD TESTS............................................................... 4-9
4.2.2 T2 – DIGITAL OUTPUT TEST................................................................. 4-10
4.2.3 T3 – CONFIGURABLE INPUT TEST ...................................................... 4-13
4.2.4 T4 – AC SYSTEM INPUT TEST.............................................................. 4-14
5. FUNCTIONAL TESTS
(FACTORY SETTINGS) 5.1 MEASURING UNIT TESTS
5.1.1 DESCRIPTION .......................................................................................... 5-1
a MEASURING UNIT TESTS....................................................................... 5-1
b ZONE PHASE REACH & TIMERS TESTS................................................ 5-1
c OUT OF STEP TESTS .............................................................................. 5-1
5.1.2 T1 – FAULT DETECTOR TEST ................................................................ 5-2
5.1.3 T2 – IT TRIP SUPERVISION TEST........................................................... 5-2
5.1.4 T3 – IB BLOCKING SUPERVISION TEST................................................ 5-3
5.1.5 T4 – GROUND DIRECTIONAL TRIP TEST.............................................. 5-3
5.1.6 T5 – GROUND DIRECTIONAL BLOCK TEST..........................................5-4
5.1.7 T6 – PHASE INSTANTANEOUS OVERCURRENT TEST........................5-4

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5.1.8 T7 – GROUND INSTANTANEOUS OVERCURRENT TEST....................5-5
5.1.9 T8 – GROUND TIME OVERCURRENT TEST ..........................................5-6
5.1.10 T9 – UNDERVOLTAGE TEST................................................................... 5-8
5.1.11 T10 – OVERVOLTAGE TEST ................................................................... 5-8
5.2 ZONE REACH AND TIMER TESTS
5.2.1 GENERAL ZONE REACH TESTING CONSIDERATIONS....................... 5-9
5.3 PHASE-TO-PHASE ZONE REACH TESTING
5.3.1 T11 – ZONE 1 PHASE REACH TEST.....................................................5-10
5.3.2 T12 – ZONE 2 PHASE REACH TEST.....................................................5-11
5.3.3 T13 – ZONE 3 PHASE REACH TEST.....................................................5-12
5.3.4 T14 – ZONE 4 PHASE REACH............................................................... 5-13
5.3.5 T15 – 3 PHASE FAULT WITH TRANSFORMER COMPENSATION...... 5-14
5.3.6 T16 – PHASE (ZONE BACKUP) TIMER TEST.......................................5-16
a ZONE1 TIMER......................................................................................... 5-17
b ZONE2 TIMER......................................................................................... 5-17
c ZONE3 TIMER......................................................................................... 5-17
d ZONE4 TIMER......................................................................................... 5-18
5.4 MOB TESTING
5.4.1 T17 – OUT-OF-STEP BLOCK ................................................................. 5-20
5.4.2 T18 – OUT-OF-STEP TRIP TEST...........................................................5-21
5.5 END OF TEST WITH FACTORY SETTINGS
5.5.1 ENDING TESTS ...................................................................................... 5-22
6. FUNCTIONAL TESTS
(USER SETTINGS) 6.1 LPS-O FUNCTIONAL TESTS
6.1.1 DESCRIPTION .......................................................................................... 6-1
a MEASURING UNIT TESTS ....................................................................... 6-1
b ZONE PHASE REACH TESTS.................................................................. 6-1
6.1.2 DRAWINGS AND REFERENCES............................................................. 6-2
a DRAWINGS ............................................................................................... 6-2
b REFERENCE............................................................................................. 6-2
6.1.3 GENERAL INSTRUCTIONS...................................................................... 6-2
6.2 MEASURING UNIT TESTS
6.2.1 T1 – FAULT DETECTOR TEST ................................................................6-3
6.2.2 T2 – IT TRIP SUPERVISION TEST........................................................... 6-3
6.2.3 T3 – IB BLOCKING SUPERVISION TEST................................................ 6-3
6.2.4 T4 – GROUND DIRECTIONAL TRIP TEST .............................................. 6-4
6.2.5 T5 – GROUND DIRECTIONAL BLOCK TEST .......................................... 6-4
6.2.6 T6 – PHASE INSTANTANEOUS OVERCURRENT TEST........................ 6-4
6.2.7 T7 – GROUND INSTANTANEOUS OVERCURRENT TEST....................6-5
6.2.8 T8 – GROUND TIME OVERCURRENT TEST ..........................................6-6
6.2.9 T9 – UNDERVOLTAGE TEST................................................................... 6-6
6.2.10 T10 – OVERVOLTAGE TEST ................................................................... 6-7
6.3 ZONE REACH TESTS
6.3.1 WARNING.................................................................................................. 6-8
6.3.2 GENERAL CONSIDERATIONS ................................................................6-8
6.3.3 ZONE 1 TO 4 PHASE-TO-PHASE REACH CALCULATIONS..................6-8
6.3.4 T11 – ZONE 1 PHASE REACH TEST.....................................................6-10
6.3.5 T12 – ZONE 2 PHASE REACH TEST.....................................................6-11
6.3.6 T13 – ZONE 3 PHASE REACH TEST.....................................................6-12
6.4 BACKUP PROTECTION TESTS
6.4.1 T14 – ZONE 4 PHASE REACH TEST.....................................................6-14
6.4.2 T15 – 3 PHASE FAULT WITH TRANSFORMER COMPENSATION...... 6-15

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TABLE OF CONTENTS
7. SPECIFICATIONS 7.1 LPS-O SPECIFICATIONS
7.1.1 DESCRIPTION .......................................................................................... 7-1
8. LOCAL USER
INTERFACE 8.1 INTRODUCTION
8.1.1 DESCRIPTION .......................................................................................... 8-1
8.1.2 DISPLAY & KEYPAD................................................................................. 8-1
a DISPLAY.................................................................................................... 8-1
b KEYPAD .................................................................................................... 8-1
8.1.3 CONTROL KEYS....................................................................................... 8-2
a METERING/CLEAR KEY [CLR]................................................................. 8-2
b ARROW KEYS........................................................................................... 8-3
c ENTER KEY [ENT] ....................................................................................8-3
d DATA ENTRY KEYS.................................................................................. 8-3
8.1.4 MESSAGES............................................................................................... 8-3
8.1.5 SETTINGS................................................................................................. 8-4
8.1.6 EDIT PROTECTION SETTINGS............................................................... 8-5
8.1.7 END KEY................................................................................................... 8-7
8.1.8 EDIT GENERAL SETTINGS...................................................................... 8-8
8.1.9 SELECT ACTIVE SETTING GROUP ........................................................ 8-8
8.1.10 MODIFY DATE/TIME................................................................................. 8-9
8.1.11 ACTIONS................................................................................................... 8-9
8.1.12 DISABLE OUTPUTS................................................................................ 8-10
8.1.13 ENABLE OUTPUTS................................................................................. 8-11
8.1.14 TRIP BREAKER....................................................................................... 8-11
8.1.15 CLOSE BREAKER................................................................................... 8-12
8.1.16 RELAY TEST........................................................................................... 8-12
8.1.17 KEYPAD/DISPLAY INTERFACE TEST................................................... 8-13
8.1.18 DIGITAL OUTPUT TEST......................................................................... 8-14
8.1.19 PLAYBACK.............................................................................................. 8-15
8.1.20 CHANGE PASSWORD............................................................................ 8-17
8.1.21 ENABLE/DISABLE PASSWORDS.......................................................... 8-17
8.1.22 RESET DATA .......................................................................................... 8-17
8.1.23 ADJUST CONTRAST.............................................................................. 8-17
8.2 INFORMATION
8.2.1 DESCRIPTION ........................................................................................ 8-18
8.2.2 REQUEST STATUS INFORMATION...................................................... 8-18
8.2.3 REQUEST FAULT INFORMATION......................................................... 8-19
8.2.4 REQUEST PRESENT VALUES .............................................................. 8-20
8.2.5 CONTACT CONVERTER STATUS.........................................................8-20
8.2.6 DIGITAL OUTPUT STATUS.................................................................... 8-21
8.2.7 EVENT INFORMATION........................................................................... 8-21
8.2.8 COMMUNICATION PASSWORDS ......................................................... 8-23
8.2.9 REQUEST STATION/LINE ID ................................................................. 8-24
8.2.10 REQUEST LPS-O MODEL/VERSION..................................................... 8-24
8.2.11 OSCILLOGRAPHY SNAPSHOT ............................................................. 8-25
8.3 ASCII INTERFACE
8.3.1 DESCRIPTION ........................................................................................ 8-26
8.3.2 RECOMMENDED REMOTE COMMUNICATIONS PACKAGEs............. 8-26
8.4 REMOTE COMMUNICATION INTERFACE
8.4.1 HARDWARE SWITCHES........................................................................ 8-27
8.4.2 MODEM CONNECTIONS AND SETTINGS............................................ 8-27
8.4.3 PC MODEM............................................................................................. 8-28
8.4.4 LPS-O MODEM ....................................................................................... 8-29
8.4.5 NULL-MODEM CONNECTIONS ............................................................. 8-30

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9. SERVICING 9.1 SPARES
9.1.1 DESCRIPTION .......................................................................................... 9-1
9.2 SERVICING WITH THE RELAY SELF-TEST
9.2.1 DESCRIPTION .......................................................................................... 9-2
9.3 TROUBLESHOOTING
9.3.1 DESCRIPTION .......................................................................................... 9-4
9.3.2 THE INFORMATION STATUS COMMAND ..............................................9-4
9.3.3 SERVICING A CRITICAL FAILURE .......................................................... 9-5
9.3.4 LOCATING THE DEFECTIVE BOARD ..................................................... 9-5
9.3.5 SERVICING A NON-CRITICAL FAILURE................................................. 9-6
9.3.6 LOCATING THE DEFECTIVE BOARD ..................................................... 9-6
9.3.7 SERVICE SYSTEM STATUS FAILURES..................................................9-6
a FAILURE MESSAGES: 960 CPU BOARD ................................................ 9-6
b FAILURE MESSAGES: MAGNETICS MODULE.......................................9-7
c FAILURE MESSAGES: COMMUNICATIONS WARNINGS ......................9-7
d FAILURE MESSAGES: MISCELLANEOUS FAILURES ...........................9-7
e FAILURE MESSAGES: MISCELLANEOUS MESSAGES......................... 9-7
f FAILURE MESSAGES: ANI / DSP BOARD ..............................................9-7
10. ALPS-TEST PROGRAM 10.1 INTRODUCTION
10.1.1 DESCRIPTION ........................................................................................ 10-1
10.1.2 STARTING THE PROGRAM FOR THE FIRST TIME ............................. 10-1
10.1.3 STARTING PROGRAM AFTER THE FIRST TIME ................................. 10-2
10.2 TEST CALCULATIONS
10.2.1 DESCRIPTION ........................................................................................ 10-3
10.2.2 ENTERING INPUT QUANTITIES............................................................10-3
10.2.3 ENTERING A VALUE .............................................................................. 10-4
10.2.4 SELECTING A VALUE ............................................................................ 10-5
10.2.5 M1 PHASE UNITS – ZONE 1..................................................................10-5
10.2.6 MT PHASE UNITS – ZONE 2..................................................................10-6
10.2.7 M3 PHASE UNITS – ZONE 3..................................................................10-6
10.2.8 M4 PHASE UNITS – ZONE 4..................................................................10-6
10.2.9 MOB PHASE UNIT .................................................................................. 10-7
10.3 FILE MENU
10.3.1 NEW TEST FILE...................................................................................... 10-8
10.3.2 OPEN TEST FILE....................................................................................10-8
10.3.3 OPEN SETTING FILE.............................................................................. 10-8
10.3.4 CLOSE TEST FILE.................................................................................. 10-9
10.3.5 SAVE INPUT QUANTITIES................................................................... 10-10
10.3.6 SAVE INPUT QUANTITIES AS ............................................................. 10-10
10.3.7 SAVE OUTPUT AS................................................................................ 10-10
10.3.8 PRINT .................................................................................................... 10-11
10.3.9 PRINT SETUP ....................................................................................... 10-11
10.3.10 LAST 4 OPENED SETTINGS FILES..................................................... 10-11
10.3.11 EXIT....................................................................................................... 10-11
10.4 EDIT MENU
10.4.1 COPY..................................................................................................... 10-12
10.4.2 COPY TEXT ONLY................................................................................10-12
10.4.3 COPY MHO CIRCLE ONLY ..................................................................10-12
10.5 VIEW MENU
10.5.1 DESCRIPTION ...................................................................................... 10-13
10.5.2 TOOLBAR.............................................................................................. 10-13