GE LPS-O - TABLE OF CONTENTS

GE Power Management LPS-O Line Protection System
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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