GE L90 Instruction Manual page 7

GE Multilin
TABLE OF CONTENTS
5.2.2 DISPLAY PROPERTIES.................................................................................. 5-12
5.2.3 CLEAR RELAY RECORDS ............................................................................. 5-14
5.2.4 COMMUNICATIONS........................................................................................ 5-15
5.2.5 MODBUS USER MAP...................................................................................... 5-34
5.2.6 REAL TIME CLOCK......................................................................................... 5-35
5.2.7 FAULT REPORTS ........................................................................................... 5-36
5.2.8 OSCILLOGRAPHY .......................................................................................... 5-38
5.2.9 DATA LOGGER ............................................................................................... 5-40
5.2.10 DEMAND.......................................................................................................... 5-42
5.2.11 USER-PROGRAMMABLE LEDS..................................................................... 5-43
5.2.12 USER-PROGRAMMABLE SELF-TESTS ........................................................ 5-46
5.2.13 CONTROL PUSHBUTTONS ........................................................................... 5-47
5.2.14 USER-PROGRAMMABLE PUSHBUTTONS ................................................... 5-49
5.2.15 FLEX STATE PARAMETERS .......................................................................... 5-54
5.2.16 USER-DEFINABLE DISPLAYS ....................................................................... 5-55
5.2.17 INSTALLATION................................................................................................ 5-57
5.3 REMOTE RESOURCES
5.3.1 REMOTE RESOURCES CONFIGURATION ................................................... 5-58
5.4 SYSTEM SETUP
5.4.1 AC INPUTS ...................................................................................................... 5-59
5.4.2 POWER SYSTEM............................................................................................ 5-60
5.4.3 SIGNAL SOURCES ......................................................................................... 5-61
5.4.4 L90 POWER SYSTEM..................................................................................... 5-64
5.4.5 BREAKERS...................................................................................................... 5-69
5.4.6 DISCONNECT SWITCHES ............................................................................. 5-73
5.4.7 FLEXCURVES™.............................................................................................. 5-76
5.4.8 PHASOR MEASUREMENT UNIT.................................................................... 5-83
5.5 FLEXLOGIC™
5.5.1 INTRODUCTION TO FLEXLOGIC™ ............................................................... 5-99
5.5.2 FLEXLOGIC™ RULES .................................................................................. 5-110
5.5.3 FLEXLOGIC™ EVALUATION........................................................................ 5-110
5.5.4 FLEXLOGIC™ EXAMPLE ............................................................................. 5-111
5.5.5 FLEXLOGIC™ EQUATION EDITOR ............................................................. 5-115
5.5.6 FLEXLOGIC™ TIMERS................................................................................. 5-115
5.5.7 FLEXELEMENTS™ ....................................................................................... 5-116
5.5.8 NON-VOLATILE LATCHES ........................................................................... 5-120
5.6 GROUPED ELEMENTS
5.6.1 OVERVIEW.................................................................................................... 5-121
5.6.2 SETTING GROUP ......................................................................................... 5-121
5.6.3 LINE DIFFERENTIAL ELEMENTS ................................................................ 5-122
5.6.4 LINE PICKUP................................................................................................. 5-127
5.6.5 DISTANCE ..................................................................................................... 5-129
5.6.6 POWER SWING DETECT ............................................................................. 5-147
5.6.7 LOAD ENCROACHMENT.............................................................................. 5-156
5.6.8 PHASE CURRENT ........................................................................................ 5-158
5.6.9 NEUTRAL CURRENT.................................................................................... 5-169
5.6.10 WATTMETRIC GROUND FAULT .................................................................. 5-177
5.6.11 GROUND CURRENT..................................................................................... 5-180
5.6.12 NEGATIVE SEQUENCE CURRENT ............................................................. 5-182
5.6.13 BREAKER FAILURE ...................................................................................... 5-187
5.6.14 VOLTAGE ELEMENTS .................................................................................. 5-196
5.6.15 SUPERVISING ELEMENTS .......................................................................... 5-203
5.7 CONTROL ELEMENTS
5.7.1 OVERVIEW.................................................................................................... 5-207
5.7.2 TRIP BUS....................................................................................................... 5-207
5.7.3 SETTING GROUPS ....................................................................................... 5-209
5.7.4 SELECTOR SWITCH..................................................................................... 5-210
5.7.5 TRIP OUTPUT ............................................................................................... 5-216
5.7.6 SYNCHROCHECK......................................................................................... 5-222
5.7.7 DIGITAL ELEMENTS..................................................................................... 5-226
5.7.8 DIGITAL COUNTERS .................................................................................... 5-229
5.7.9 MONITORING ELEMENTS ........................................................................... 5-231
5.7.10 PILOT SCHEMES .......................................................................................... 5-245
5.7.11 AUTORECLOSE ............................................................................................ 5-248
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