
GE Multilin L60 Line Phase Comparison System v
TABLE OF CONTENTS
5.3 SYSTEM SETUP
5.3.1 AC INPUTS ...................................................................................................... 5-91
5.3.2 POWER SYSTEM............................................................................................ 5-93
5.3.3 SIGNAL SOURCES ......................................................................................... 5-94
5.3.4 BREAKERS...................................................................................................... 5-97
5.3.5 DISCONNECT SWITCHES ........................................................................... 5-101
5.3.6 FLEXCURVES ............................................................................................... 5-104
5.4 FLEXLOGIC
5.4.1 INTRODUCTION TO FLEXLOGIC ................................................................ 5-111
5.4.2 FLEXLOGIC RULES ...................................................................................... 5-123
5.4.3 FLEXLOGIC EVALUATION ........................................................................... 5-123
5.4.4 FLEXLOGIC EXAMPLE ................................................................................. 5-124
5.4.5 FLEXLOGIC EQUATION EDITOR................................................................. 5-128
5.4.6 FLEXLOGIC TIMERS .................................................................................... 5-128
5.4.7 FLEXELEMENTS........................................................................................... 5-129
5.4.8 NON-VOLATILE LATCHES ........................................................................... 5-133
5.5 GROUPED ELEMENTS
5.5.1 OVERVIEW.................................................................................................... 5-134
5.5.2 SETTING GROUP ......................................................................................... 5-134
5.5.3 PHASE COMPARISON ELEMENTS ............................................................. 5-135
5.5.4 LINE PICKUP................................................................................................. 5-154
5.5.5 DISTANCE ..................................................................................................... 5-156
5.5.6 POWER SWING DETECT............................................................................. 5-174
5.5.7 LOAD ENCROACHMENT.............................................................................. 5-183
5.5.8 PHASE CURRENT ........................................................................................ 5-185
5.5.9 NEUTRAL CURRENT.................................................................................... 5-195
5.5.10 WATTMETRIC GROUND FAULT.................................................................. 5-203
5.5.11 GROUND CURRENT..................................................................................... 5-207
5.5.12 NEGATIVE SEQUENCE CURRENT ............................................................. 5-209
5.5.13 BREAKER FAILURE...................................................................................... 5-216
5.5.14 VOLTAGE ELEMENTS.................................................................................. 5-225
5.6 CONTROL ELEMENTS
5.6.1 OVERVIEW.................................................................................................... 5-233
5.6.2 TRIP BUS....................................................................................................... 5-233
5.6.3 SETTING GROUPS ....................................................................................... 5-235
5.6.4 SELECTOR SWITCH..................................................................................... 5-237
5.6.5 TRIP OUTPUT ............................................................................................... 5-243
5.6.6 SYNCHROCHECK......................................................................................... 5-249
5.6.7 DIGITAL ELEMENTS..................................................................................... 5-253
5.6.8 DIGITAL COUNTERS .................................................................................... 5-256
5.6.9 MONITORING ELEMENTS ........................................................................... 5-258
5.6.10 PILOT SCHEMES .......................................................................................... 5-277
5.6.11 AUTORECLOSE ............................................................................................ 5-280
5.7 INPUTS/OUTPUTS
5.7.1 CONTACT INPUTS........................................................................................ 5-293
5.7.2 VIRTUAL INPUTS.......................................................................................... 5-295
5.7.3 CONTACT OUTPUTS.................................................................................... 5-296
5.7.4 VIRTUAL OUTPUTS...................................................................................... 5-298
5.7.5 REMOTE DEVICES ....................................................................................... 5-299
5.7.6 REMOTE INPUTS.......................................................................................... 5-300
5.7.7 REMOTE DOUBLE-POINT STATUS INPUTS .............................................. 5-301
5.7.8 REMOTE OUTPUTS...................................................................................... 5-301
5.7.9 RESETTING................................................................................................... 5-302
5.7.10 DIRECT INPUTS AND OUTPUTS................................................................. 5-303
5.7.11 TELEPROTECTION INPUTS AND OUTPUTS.............................................. 5-306
5.7.12 IEC 61850 GOOSE ANALOGS...................................................................... 5-308
5.7.13 IEC 61850 GOOSE INTEGERS..................................................................... 5-309
5.8 TRANSDUCER INPUTS AND OUTPUTS
5.8.1 DCMA INPUTS .............................................................................................. 5-310
5.8.2 RTD INPUTS.................................................................................................. 5-311
5.8.3 DCMA OUTPUTS .......................................................................................... 5-313
5.9 TESTING
5.9.1 TEST MODE .................................................................................................. 5-316
5.9.2 FORCE CONTACT INPUTS .......................................................................... 5-317