
GE Multilin F60 Feeder Protection System v
TABLE OF CONTENTS
5.2.10 DEMAND.......................................................................................................... 5-47
5.2.11 USER-PROGRAMMABLE LEDS..................................................................... 5-48
5.2.12 USER-PROGRAMMABLE SELF-TESTS ........................................................ 5-51
5.2.13 CONTROL PUSHBUTTONS ........................................................................... 5-52
5.2.14 USER-PROGRAMMABLE PUSHBUTTONS ................................................... 5-54
5.2.15 FLEX STATE PARAMETERS.......................................................................... 5-60
5.2.16 USER-DEFINABLE DISPLAYS ....................................................................... 5-60
5.2.17 DIRECT INPUTS/OUTPUTS ........................................................................... 5-63
5.2.18 TELEPROTECTION......................................................................................... 5-70
5.2.19 INSTALLATION................................................................................................ 5-71
5.3 REMOTE RESOURCES
5.3.1 REMOTE RESOURCES CONFIGURATION................................................... 5-72
5.4 SYSTEM SETUP
5.4.1 AC INPUTS ...................................................................................................... 5-73
5.4.2 POWER SYSTEM............................................................................................ 5-74
5.4.3 SIGNAL SOURCES ......................................................................................... 5-75
5.4.4 BREAKERS...................................................................................................... 5-78
5.4.5 DISCONNECT SWITCHES ............................................................................. 5-82
5.4.6 FLEXCURVES™.............................................................................................. 5-85
5.4.7 PHASOR MEASUREMENT UNIT.................................................................... 5-92
5.5 FLEXLOGIC™
5.5.1 INTRODUCTION TO FLEXLOGIC™............................................................. 5-108
5.5.2 FLEXLOGIC™ RULES .................................................................................. 5-118
5.5.3 FLEXLOGIC™ EVALUATION........................................................................ 5-119
5.5.4 FLEXLOGIC™ EXAMPLE ............................................................................. 5-119
5.5.5 FLEXLOGIC™ EQUATION EDITOR............................................................. 5-124
5.5.6 FLEXLOGIC™ TIMERS................................................................................. 5-124
5.5.7 FLEXELEMENTS™ ....................................................................................... 5-125
5.5.8 NON-VOLATILE LATCHES ........................................................................... 5-129
5.6 GROUPED ELEMENTS
5.6.1 OVERVIEW.................................................................................................... 5-130
5.6.2 SETTING GROUP ......................................................................................... 5-130
5.6.3 LOAD ENCROACHMENT.............................................................................. 5-131
5.6.4 PHASE CURRENT ........................................................................................ 5-133
5.6.5 NEUTRAL CURRENT.................................................................................... 5-144
5.6.6 WATTMETRIC GROUND FAULT.................................................................. 5-152
5.6.7 GROUND CURRENT..................................................................................... 5-155
5.6.8 NEGATIVE-SEQUENCE CURRENT ............................................................. 5-157
5.6.9 BREAKER FAILURE...................................................................................... 5-164
5.6.10 VOLTAGE ELEMENTS.................................................................................. 5-173
5.6.11 SENSITIVE DIRECTIONAL POWER............................................................. 5-181
5.7 CONTROL ELEMENTS
5.7.1 OVERVIEW.................................................................................................... 5-184
5.7.2 TRIP BUS....................................................................................................... 5-184
5.7.3 SETTING GROUPS ....................................................................................... 5-186
5.7.4 SELECTOR SWITCH..................................................................................... 5-187
5.7.5 UNDERFREQUENCY.................................................................................... 5-193
5.7.6 OVERFREQUENCY ...................................................................................... 5-194
5.7.7 FREQUENCY RATE OF CHANGE................................................................ 5-195
5.7.8 SYNCHROCHECK......................................................................................... 5-197
5.7.9 AUTORECLOSE ............................................................................................ 5-201
5.7.10 DIGITAL ELEMENTS..................................................................................... 5-207
5.7.11 DIGITAL COUNTERS .................................................................................... 5-210
5.7.12 MONITORING ELEMENTS ........................................................................... 5-212
5.7.13 COLD LOAD PICKUP .................................................................................... 5-236
5.8 INPUTS/OUTPUTS
5.8.1 CONTACT INPUTS........................................................................................ 5-238
5.8.2 VIRTUAL INPUTS.......................................................................................... 5-240
5.8.3 CONTACT OUTPUTS.................................................................................... 5-241
5.8.4 VIRTUAL OUTPUTS...................................................................................... 5-243
5.8.5 REMOTE DEVICES ....................................................................................... 5-244
5.8.6 REMOTE INPUTS.......................................................................................... 5-245
5.8.7 REMOTE DOUBLE-POINT STATUS INPUTS .............................................. 5-246
5.8.8 REMOTE OUTPUTS...................................................................................... 5-246