
GE Multilin D60 Line Distance Protection System v
TABLE OF CONTENTS
5.3 REMOTE RESOURCES
5.3.1 REMOTE RESOURCES CONFIGURATION................................................... 5-78
5.4 SYSTEM SETUP
5.4.1 AC INPUTS ...................................................................................................... 5-79
5.4.2 POWER SYSTEM............................................................................................ 5-80
5.4.3 SIGNAL SOURCES ......................................................................................... 5-81
5.4.4 BREAKERS...................................................................................................... 5-84
5.4.5 DISCONNECT SWITCHES ............................................................................. 5-88
5.4.6 FLEXCURVES ................................................................................................ 5-91
5.4.7 PHASOR MEASUREMENT UNIT.................................................................... 5-98
5.5 FLEXLOGIC
5.5.1 INTRODUCTION TO FLEXLOGIC ................................................................ 5-120
5.5.2 FLEXLOGIC™ RULES .................................................................................. 5-133
5.5.3 FLEXLOGIC EVALUATION ........................................................................... 5-133
5.5.4 FLEXLOGIC EXAMPLE ................................................................................. 5-134
5.5.5 FLEXLOGIC EQUATION EDITOR................................................................. 5-138
5.5.6 FLEXLOGIC TIMERS .................................................................................... 5-138
5.5.7 FLEXELEMENTS........................................................................................... 5-139
5.5.8 NON-VOLATILE LATCHES ........................................................................... 5-143
5.6 GROUPED ELEMENTS
5.6.1 OVERVIEW.................................................................................................... 5-144
5.6.2 SETTING GROUP ......................................................................................... 5-144
5.6.3 LINE PICKUP................................................................................................. 5-145
5.6.4 DISTANCE ..................................................................................................... 5-147
5.6.5 POWER SWING DETECT............................................................................. 5-165
5.6.6 LOAD ENCROACHMENT.............................................................................. 5-174
5.6.7 PHASE CURRENT ........................................................................................ 5-176
5.6.8 NEUTRAL CURRENT.................................................................................... 5-186
5.6.9 WATTMETRIC GROUND FAULT .................................................................. 5-194
5.6.10 GROUND CURRENT..................................................................................... 5-197
5.6.11 NEGATIVE SEQUENCE CURRENT ............................................................. 5-199
5.6.12 BREAKER FAILURE...................................................................................... 5-206
5.6.13 VOLTAGE ELEMENTS.................................................................................. 5-215
5.6.14 SENSITIVE DIRECTIONAL POWER............................................................. 5-226
5.7 CONTROL ELEMENTS
5.7.1 OVERVIEW.................................................................................................... 5-229
5.7.2 TRIP BUS....................................................................................................... 5-229
5.7.3 SETTING GROUPS ....................................................................................... 5-231
5.7.4 SELECTOR SWITCH..................................................................................... 5-232
5.7.5 TRIP OUTPUT ............................................................................................... 5-238
5.7.6 UNDERFREQUENCY.................................................................................... 5-244
5.7.7 OVERFREQUENCY ...................................................................................... 5-245
5.7.8 FREQUENCY RATE OF CHANGE................................................................ 5-246
5.7.9 SYNCHROCHECK......................................................................................... 5-248
5.7.10 AUTORECLOSE ............................................................................................ 5-252
5.7.11 DIGITAL ELEMENTS..................................................................................... 5-265
5.7.12 DIGITAL COUNTERS .................................................................................... 5-268
5.7.13 MONITORING ELEMENTS ........................................................................... 5-270
5.7.14 PILOT SCHEMES .......................................................................................... 5-290
5.8 INPUTS AND OUTPUTS
5.8.1 CONTACT INPUTS........................................................................................ 5-314
5.8.2 VIRTUAL INPUTS.......................................................................................... 5-316
5.8.3 CONTACT OUTPUTS.................................................................................... 5-317
5.8.4 VIRTUAL OUTPUTS...................................................................................... 5-319
5.8.5 REMOTE DEVICES ....................................................................................... 5-320
5.8.6 REMOTE INPUTS.......................................................................................... 5-321
5.8.7 REMOTE DOUBLE-POINT STATUS INPUTS .............................................. 5-322
5.8.8 REMOTE OUTPUTS...................................................................................... 5-322
5.8.9 RESETTING................................................................................................... 5-323
5.8.10 DIRECT INPUTS AND OUTPUTS................................................................. 5-323
5.8.11 TELEPROTECTION INPUTS AND OUTPUTS.............................................. 5-327
5.8.12 IEC 61850 GOOSE ANALOGS...................................................................... 5-329
5.8.13 IEC 61850 GOOSE INTEGERS..................................................................... 5-330