
GE Multilin L60 Line Phase Comparison System v
TABLE OF CONTENTS
5.3 SYSTEM SETUP
5.3.1 AC INPUTS ...................................................................................................... 5-98
5.3.2 POWER SYSTEM.......................................................................................... 5-100
5.3.3 SIGNAL SOURCES ....................................................................................... 5-101
5.3.4 BREAKERS.................................................................................................... 5-104
5.3.5 DISCONNECT SWITCHES ........................................................................... 5-108
5.3.6 FLEXCURVES ............................................................................................... 5-111
5.4 FLEXLOGIC
5.4.1 INTRODUCTION TO FLEXLOGIC ................................................................ 5-118
5.4.2 FLEXLOGIC RULES ...................................................................................... 5-129
5.4.3 FLEXLOGIC EVALUATION ........................................................................... 5-129
5.4.4 FLEXLOGIC EXAMPLE ................................................................................. 5-130
5.4.5 FLEXLOGIC EQUATION EDITOR................................................................. 5-134
5.4.6 FLEXLOGIC TIMERS .................................................................................... 5-134
5.4.7 FLEXELEMENTS........................................................................................... 5-135
5.4.8 NON-VOLATILE LATCHES ........................................................................... 5-140
5.5 GROUPED ELEMENTS
5.5.1 OVERVIEW.................................................................................................... 5-141
5.5.2 SETTING GROUP ......................................................................................... 5-141
5.5.3 PHASE COMPARISON ELEMENTS ............................................................. 5-142
5.5.4 LINE PICKUP................................................................................................. 5-161
5.5.5 DISTANCE ..................................................................................................... 5-163
5.5.6 POWER SWING DETECT............................................................................. 5-181
5.5.7 LOAD ENCROACHMENT.............................................................................. 5-191
5.5.8 PHASE CURRENT ........................................................................................ 5-193
5.5.9 NEUTRAL CURRENT.................................................................................... 5-203
5.5.10 WATTMETRIC GROUND FAULT.................................................................. 5-211
5.5.11 GROUND CURRENT..................................................................................... 5-215
5.5.12 NEGATIVE SEQUENCE CURRENT ............................................................. 5-217
5.5.13 BREAKER FAILURE...................................................................................... 5-224
5.5.14 VOLTAGE ELEMENTS.................................................................................. 5-233
5.6 CONTROL ELEMENTS
5.6.1 OVERVIEW.................................................................................................... 5-241
5.6.2 TRIP BUS....................................................................................................... 5-241
5.6.3 SETTING GROUPS ....................................................................................... 5-243
5.6.4 SELECTOR SWITCH..................................................................................... 5-245
5.6.5 TRIP OUTPUT ............................................................................................... 5-251
5.6.6 SYNCHROCHECK......................................................................................... 5-257
5.6.7 DIGITAL ELEMENTS..................................................................................... 5-261
5.6.8 DIGITAL COUNTERS .................................................................................... 5-264
5.6.9 MONITORING ELEMENTS ........................................................................... 5-266
5.6.10 PILOT SCHEMES .......................................................................................... 5-285
5.6.11 AUTORECLOSE ............................................................................................ 5-288
5.7 INPUTS/OUTPUTS
5.7.1 CONTACT INPUTS........................................................................................ 5-301
5.7.2 VIRTUAL INPUTS.......................................................................................... 5-303
5.7.3 CONTACT OUTPUTS.................................................................................... 5-304
5.7.4 VIRTUAL OUTPUTS...................................................................................... 5-306
5.7.5 REMOTE DEVICES ....................................................................................... 5-307
5.7.6 REMOTE INPUTS.......................................................................................... 5-308
5.7.7 REMOTE DOUBLE-POINT STATUS INPUTS .............................................. 5-309
5.7.8 REMOTE OUTPUTS...................................................................................... 5-309
5.7.9 RESETTING................................................................................................... 5-310
5.7.10 DIRECT INPUTS AND OUTPUTS................................................................. 5-311
5.7.11 TELEPROTECTION INPUTS AND OUTPUTS.............................................. 5-314
5.7.12 IEC 61850 GOOSE ANALOGS...................................................................... 5-316
5.7.13 IEC 61850 GOOSE INTEGERS..................................................................... 5-317
5.8 TRANSDUCER INPUTS AND OUTPUTS
5.8.1 DCMA INPUTS .............................................................................................. 5-318
5.8.2 RTD INPUTS.................................................................................................. 5-319
5.8.3 DCMA OUTPUTS .......................................................................................... 5-321
5.9 TESTING
5.9.1 TEST MODE .................................................................................................. 5-324
5.9.2 FORCE CONTACT INPUTS .......................................................................... 5-325