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GE Multilin
TABLE OF CONTENTS
5.2.8
OSCILLOGRAPHY .......................................................................................... 5-43
5.2.9
DATA LOGGER ............................................................................................... 5-46
5.2.10
DEMAND.......................................................................................................... 5-47
5.2.11
USER-PROGRAMMABLE LEDS..................................................................... 5-48
5.2.12
USER-PROGRAMMABLE SELF TESTS......................................................... 5-52
5.2.13
CONTROL PUSHBUTTONS ........................................................................... 5-53
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 AND 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
5.4.1
AC INPUTS ...................................................................................................... 5-73
5.4.2
POWER SYSTEM............................................................................................ 5-75
5.4.3
SIGNAL SOURCES ......................................................................................... 5-76
5.4.4
TRANSFORMER ............................................................................................. 5-78
5.4.5
BREAKERS...................................................................................................... 5-91
5.4.6
DISCONNECT SWITCHES ............................................................................. 5-95
5.4.7
FLEXCURVES™.............................................................................................. 5-98
5.4.8
PHASOR MEASUREMENT UNIT.................................................................. 5-105
5.5.1
INTRODUCTION TO FLEXLOGIC™ ............................................................. 5-121
5.5.2
FLEXLOGIC™ RULES .................................................................................. 5-131
5.5.3
FLEXLOGIC™ EVALUATION........................................................................ 5-132
5.5.4
FLEXLOGIC™ EXAMPLE ............................................................................. 5-132
5.5.5
FLEXLOGIC™ EQUATION EDITOR ............................................................. 5-137
5.5.6
FLEXLOGIC™ TIMERS................................................................................. 5-137
5.5.7
FLEXELEMENTS™ ....................................................................................... 5-138
5.5.8
NON-VOLATILE LATCHES ........................................................................... 5-142
5.6.1
OVERVIEW.................................................................................................... 5-143
5.6.2
SETTING GROUP ......................................................................................... 5-143
5.6.3
DISTANCE ..................................................................................................... 5-144
5.6.4
POWER SWING DETECT ............................................................................. 5-162
5.6.5
LOAD ENCROACHMENT.............................................................................. 5-171
5.6.6
TRANSFORMER ELEMENTS ....................................................................... 5-173
5.6.7
PHASE CURRENT ........................................................................................ 5-181
5.6.8
NEUTRAL CURRENT.................................................................................... 5-193
5.6.9
GROUND CURRENT..................................................................................... 5-201
5.6.10
BREAKER FAILURE ...................................................................................... 5-208
5.6.11
VOLTAGE ELEMENTS .................................................................................. 5-217
5.7.1
OVERVIEW.................................................................................................... 5-228
5.7.2
TRIP BUS....................................................................................................... 5-228
5.7.3
SETTING GROUPS ....................................................................................... 5-230
5.7.4
SELECTOR SWITCH..................................................................................... 5-231
5.7.5
UNDERFREQUENCY.................................................................................... 5-237
5.7.6
OVERFREQUENCY ...................................................................................... 5-238
5.7.7
SYNCHROCHECK......................................................................................... 5-239
5.7.8
DIGITAL ELEMENTS..................................................................................... 5-243
5.7.9
DIGITAL COUNTERS .................................................................................... 5-246
5.7.10
MONITORING ELEMENTS ........................................................................... 5-248
5.7.11
PILOT SCHEMES .......................................................................................... 5-262
5.8.1
CONTACT INPUTS........................................................................................ 5-265
5.8.2
VIRTUAL INPUTS.......................................................................................... 5-267
5.8.3
CONTACT OUTPUTS.................................................................................... 5-268
5.8.4
VIRTUAL OUTPUTS ...................................................................................... 5-270
5.8.5
REMOTE DEVICES ....................................................................................... 5-271
5.8.6
REMOTE INPUTS.......................................................................................... 5-272
5.8.7
REMOTE DOUBLE-POINT STATUS INPUTS .............................................. 5-273
T60 Transformer Protection System
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