
GE Multilin L60 Line Phase Comparison Relay vii
TABLE OF CONTENTS
5.4 FLEXLOGIC™
5.4.1 INTRODUCTION TO FLEXLOGIC™............................................................... 5-67
5.4.2 FLEXLOGIC™ RULES .................................................................................... 5-77
5.4.3 FLEXLOGIC™ EVALUATION.......................................................................... 5-77
5.4.4 FLEXLOGIC™ EXAMPLE ............................................................................... 5-77
5.4.5 FLEXLOGIC™ EQUATION EDITOR ............................................................... 5-82
5.4.6 FLEXLOGIC™ TIMERS................................................................................... 5-82
5.4.7 FLEXELEMENTS™ ......................................................................................... 5-83
5.4.8 NON-VOLATILE LATCHES ............................................................................. 5-87
5.5 GROUPED ELEMENTS
5.5.1 OVERVIEW...................................................................................................... 5-88
5.5.2 SETTING GROUP ........................................................................................... 5-88
5.5.3 PHASE COMPARISON ELEMENTS ............................................................... 5-89
5.5.4 LINE PICKUP................................................................................................. 5-103
5.5.5 DISTANCE ..................................................................................................... 5-105
5.5.6 POWER SWING DETECT ............................................................................. 5-123
5.5.7 LOAD ENCROACHMENT.............................................................................. 5-131
5.5.8 PHASE CURRENT ........................................................................................ 5-133
5.5.9 NEUTRAL CURRENT.................................................................................... 5-143
5.5.10 WATTMETRIC GROUND FAULT.................................................................. 5-151
5.5.11 GROUND CURRENT..................................................................................... 5-154
5.5.12 NEGATIVE SEQUENCE CURRENT ............................................................. 5-155
5.5.13 BREAKER FAILURE...................................................................................... 5-162
5.5.14 VOLTAGE ELEMENTS.................................................................................. 5-171
5.6 CONTROL ELEMENTS
5.6.1 OVERVIEW.................................................................................................... 5-179
5.6.2 SETTING GROUPS ....................................................................................... 5-179
5.6.3 SELECTOR SWITCH..................................................................................... 5-180
5.6.4 TRIP OUTPUT ............................................................................................... 5-186
5.6.5 SYNCHROCHECK......................................................................................... 5-190
5.6.6 DIGITAL ELEMENTS..................................................................................... 5-194
5.6.7 DIGITAL COUNTERS .................................................................................... 5-197
5.6.8 MONITORING ELEMENTS ........................................................................... 5-199
5.6.9 PILOT SCHEMES .......................................................................................... 5-210
5.6.10 AUTORECLOSE ............................................................................................ 5-213
5.7 INPUTS/OUTPUTS
5.7.1 CONTACT INPUTS........................................................................................ 5-225
5.7.2 VIRTUAL INPUTS.......................................................................................... 5-227
5.7.3 CONTACT OUTPUTS.................................................................................... 5-228
5.7.4 VIRTUAL OUTPUTS...................................................................................... 5-230
5.7.5 REMOTE DEVICES ....................................................................................... 5-231
5.7.6 REMOTE INPUTS.......................................................................................... 5-232
5.7.7 REMOTE OUTPUTS...................................................................................... 5-233
5.7.8 RESETTING................................................................................................... 5-234
5.7.9 DIRECT INPUTS/OUTPUTS ......................................................................... 5-234
5.7.10 TELEPROTECTION INPUTS/OUTPUTS ...................................................... 5-238
5.8 TRANSDUCER INPUTS/OUTPUTS
5.8.1 DCMA INPUTS .............................................................................................. 5-240
5.8.2 RTD INPUTS.................................................................................................. 5-241
5.8.3 DCMA OUTPUTS .......................................................................................... 5-241
5.9 TESTING
5.9.1 TEST MODE .................................................................................................. 5-245
5.9.2 FORCE CONTACT INPUTS .......................................................................... 5-245
5.9.3 FORCE CONTACT OUTPUTS ...................................................................... 5-246
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