GE LPS-O - Page 6

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LPS-O Line Protection System
GE Power Management
TABLE OF CONTENTS
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