
GE Multilin L60 Line Phase Comparison System v
TABLE OF CONTENTS
5.3.2 POWER SYSTEM............................................................................................ 5-83
5.3.3 SIGNAL SOURCES ......................................................................................... 5-84
5.3.4 BREAKERS...................................................................................................... 5-87
5.3.5 DISCONNECT SWITCHES ............................................................................. 5-91
5.3.6 FLEXCURVES ................................................................................................. 5-94
5.4 FLEXLOGIC
5.4.1 INTRODUCTION TO FLEXLOGIC ................................................................ 5-101
5.4.2 FLEXLOGIC RULES ...................................................................................... 5-113
5.4.3 FLEXLOGIC EVALUATION ........................................................................... 5-113
5.4.4 FLEXLOGIC EXAMPLE ................................................................................. 5-114
5.4.5 FLEXLOGIC EQUATION EDITOR................................................................. 5-118
5.4.6 FLEXLOGIC TIMERS .................................................................................... 5-118
5.4.7 FLEXELEMENTS........................................................................................... 5-119
5.4.8 NON-VOLATILE LATCHES ........................................................................... 5-124
5.5 GROUPED ELEMENTS
5.5.1 OVERVIEW.................................................................................................... 5-125
5.5.2 SETTING GROUP ......................................................................................... 5-125
5.5.3 PHASE COMPARISON ELEMENTS ............................................................. 5-126
5.5.4 LINE PICKUP................................................................................................. 5-145
5.5.5 DISTANCE ..................................................................................................... 5-147
5.5.6 POWER SWING DETECT............................................................................. 5-165
5.5.7 LOAD ENCROACHMENT.............................................................................. 5-174
5.5.8 PHASE CURRENT ........................................................................................ 5-176
5.5.9 NEUTRAL CURRENT.................................................................................... 5-186
5.5.10 WATTMETRIC GROUND FAULT.................................................................. 5-194
5.5.11 GROUND CURRENT..................................................................................... 5-198
5.5.12 NEGATIVE SEQUENCE CURRENT ............................................................. 5-200
5.5.13 BREAKER FAILURE...................................................................................... 5-207
5.5.14 VOLTAGE ELEMENTS.................................................................................. 5-216
5.6 CONTROL ELEMENTS
5.6.1 OVERVIEW.................................................................................................... 5-224
5.6.2 TRIP BUS....................................................................................................... 5-224
5.6.3 SETTING GROUPS ....................................................................................... 5-226
5.6.4 SELECTOR SWITCH..................................................................................... 5-228
5.6.5 TRIP OUTPUT ............................................................................................... 5-234
5.6.6 SYNCHROCHECK......................................................................................... 5-240
5.6.7 DIGITAL ELEMENTS..................................................................................... 5-244
5.6.8 DIGITAL COUNTERS .................................................................................... 5-247
5.6.9 MONITORING ELEMENTS ........................................................................... 5-249
5.6.10 PILOT SCHEMES .......................................................................................... 5-267
5.6.11 AUTORECLOSE ............................................................................................ 5-270
5.7 INPUTS/OUTPUTS
5.7.1 CONTACT INPUTS........................................................................................ 5-283
5.7.2 VIRTUAL INPUTS.......................................................................................... 5-285
5.7.3 CONTACT OUTPUTS.................................................................................... 5-286
5.7.4 VIRTUAL OUTPUTS...................................................................................... 5-288
5.7.5 REMOTE DEVICES ....................................................................................... 5-289
5.7.6 REMOTE INPUTS.......................................................................................... 5-290
5.7.7 REMOTE DOUBLE-POINT STATUS INPUTS .............................................. 5-291
5.7.8 REMOTE OUTPUTS...................................................................................... 5-291
5.7.9 RESETTING................................................................................................... 5-292
5.7.10 DIRECT INPUTS AND OUTPUTS................................................................. 5-293
5.7.11 TELEPROTECTION INPUTS AND OUTPUTS.............................................. 5-296
5.7.12 IEC 61850 GOOSE ANALOGS...................................................................... 5-298
5.7.13 IEC 61850 GOOSE INTEGERS..................................................................... 5-299
5.8 TRANSDUCER INPUTS AND OUTPUTS
5.8.1 DCMA INPUTS .............................................................................................. 5-300
5.8.2 RTD INPUTS.................................................................................................. 5-301
5.8.3 DCMA OUTPUTS .......................................................................................... 5-303
5.9 TESTING
5.9.1 TEST MODE .................................................................................................. 5-307
5.9.2 FORCE CONTACT INPUTS .......................................................................... 5-308
5.9.3 FORCE CONTACT OUTPUTS ...................................................................... 5-309