
GE Multilin F60 Feeder Protection System vii
TABLE OF CONTENTS
5.4 FLEXLOGIC™
5.4.1 INTRODUCTION TO FLEXLOGIC™............................................................... 5-75
5.4.2 FLEXLOGIC™ RULES .................................................................................... 5-84
5.4.3 FLEXLOGIC™ EVALUATION.......................................................................... 5-84
5.4.4 FLEXLOGIC™ EXAMPLE ............................................................................... 5-85
5.4.5 FLEXLOGIC™ EQUATION EDITOR ............................................................... 5-89
5.4.6 FLEXLOGIC™ TIMERS................................................................................... 5-89
5.4.7 FLEXELEMENTS™ ......................................................................................... 5-90
5.4.8 NON-VOLATILE LATCHES ............................................................................. 5-94
5.5 GROUPED ELEMENTS
5.5.1 OVERVIEW...................................................................................................... 5-95
5.5.2 SETTING GROUP ........................................................................................... 5-95
5.5.3 LOAD ENCROACHMENT................................................................................ 5-96
5.5.4 PHASE CURRENT .......................................................................................... 5-98
5.5.5 NEUTRAL CURRENT.................................................................................... 5-108
5.5.6 WATTMETRIC GROUND FAULT .................................................................. 5-116
5.5.7 GROUND CURRENT..................................................................................... 5-119
5.5.8 NEGATIVE-SEQUENCE CURRENT ............................................................. 5-121
5.5.9 BREAKER FAILURE...................................................................................... 5-127
5.5.10 VOLTAGE ELEMENTS.................................................................................. 5-136
5.5.11 SENSITIVE DIRECTIONAL POWER............................................................. 5-144
5.6 CONTROL ELEMENTS
5.6.1 OVERVIEW.................................................................................................... 5-147
5.6.2 SETTING GROUPS ....................................................................................... 5-147
5.6.3 SELECTOR SWITCH..................................................................................... 5-148
5.6.4 UNDERFREQUENCY.................................................................................... 5-154
5.6.5 OVERFREQUENCY ...................................................................................... 5-155
5.6.6 FREQUENCY RATE OF CHANGE................................................................ 5-157
5.6.7 SYNCHROCHECK......................................................................................... 5-159
5.6.8 AUTORECLOSE ............................................................................................ 5-163
5.6.9 DIGITAL ELEMENTS..................................................................................... 5-169
5.6.10 DIGITAL COUNTERS .................................................................................... 5-172
5.6.11 MONITORING ELEMENTS ........................................................................... 5-174
5.6.12 COLD LOAD PICKUP .................................................................................... 5-186
5.6.13 TRIP BUS....................................................................................................... 5-188
5.7 INPUTS/OUTPUTS
5.7.1 CONTACT INPUTS........................................................................................ 5-190
5.7.2 VIRTUAL INPUTS.......................................................................................... 5-192
5.7.3 CONTACT OUTPUTS.................................................................................... 5-193
5.7.4 VIRTUAL OUTPUTS ...................................................................................... 5-195
5.7.5 REMOTE DEVICES ....................................................................................... 5-196
5.7.6 REMOTE INPUTS.......................................................................................... 5-197
5.7.7 REMOTE OUTPUTS...................................................................................... 5-198
5.7.8 RESETTING................................................................................................... 5-199
5.7.9 DIRECT INPUTS/OUTPUTS ......................................................................... 5-199
5.7.10 TELEPROTECTION INPUTS/OUTPUTS ...................................................... 5-203
5.8 TRANSDUCER INPUTS/OUTPUTS
5.8.1 DCMA INPUTS .............................................................................................. 5-205
5.8.2 RTD INPUTS.................................................................................................. 5-206
5.8.3 DCMA OUTPUTS .......................................................................................... 5-207
5.9 TESTING
5.9.1 TEST MODE .................................................................................................. 5-211
5.9.2 FORCE CONTACT INPUTS .......................................................................... 5-211
5.9.3 FORCE CONTACT OUTPUTS ...................................................................... 5-212
6. ACTUAL VALUES 6.1 OVERVIEW
6.1.1 ACTUAL VALUES MAIN MENU ........................................................................ 6-1
6.2 STATUS
6.2.1 CONTACT INPUTS............................................................................................ 6-3
6.2.2 VIRTUAL INPUTS.............................................................................................. 6-3
6.2.3 REMOTE INPUTS.............................................................................................. 6-3