GE UR Series Instruction Manual page 7

GE Power Management
TABLE OF CONTENTS
5.2.2 DISPLAY PROPERTIES.................................................................................... 5-8
5.2.3 COMMUNICATIONS.......................................................................................... 5-8
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5.2.4 MODBUS USER MAP.................................................................................... 5-15
5.2.5 REAL TIME CLOCK ......................................................................................... 5-15
5.2.6 FAULT REPORT.............................................................................................. 5-15
5.2.7 OSCILLOGRAPHY .......................................................................................... 5-16
5.2.8 DATA LOGGER ............................................................................................... 5-18
5.2.9 DEMAND.......................................................................................................... 5-18
5.2.10 USER-PROGRAMMABLE LEDS ..................................................................... 5-20
5.2.11 FLEX STATE PARAMETERS .......................................................................... 5-21
5.2.12 USER-DEFINABLE DISPLAYS ....................................................................... 5-21
5.2.13 INSTALLATION................................................................................................ 5-23
5.3 SYSTEM SETUP
5.3.1 AC INPUTS ...................................................................................................... 5-24
5.3.2 POWER SYSTEM ............................................................................................ 5-25
5.3.3 SIGNAL SOURCES ......................................................................................... 5-26
5.3.4 L90 POWER SYSTEM ..................................................................................... 5-28
5.3.5 LINE ................................................................................................................. 5-30
5.3.6 BREAKERS...................................................................................................... 5-31
5.3.7 FLEXCURVES™.............................................................................................. 5-34
5.4 FLEXLOGIC™
5.4.1 INTRODUCTION TO FLEXLOGIC™ ............................................................... 5-35
5.4.2 FLEXLOGIC™ RULES .................................................................................... 5-43
5.4.3 FLEXLOGIC™ EVALUATION.......................................................................... 5-43
5.4.4 FLEXLOGIC™ PROCEDURE EXAMPLE ....................................................... 5-43
5.4.5 FLEXLOGIC™ EQUATION EDITOR ............................................................... 5-48
5.4.6 FLEXLOGIC™ TIMERS ................................................................................... 5-48
5.4.7 FLEXELEMENTS™ ......................................................................................... 5-49
5.5 GROUPED ELEMENTS
5.5.1 OVERVIEW ...................................................................................................... 5-53
5.5.2 SETTING GROUP ........................................................................................... 5-53
5.5.3 LINE DIFFERENTIAL ELEMENTS .................................................................. 5-53
5.5.4 CURRENT DIFFERENTIAL ............................................................................. 5-54
5.5.5 STUB BUS ....................................................................................................... 5-57
5.5.6 LINE PICKUP................................................................................................... 5-58
5.5.7 DISTANCE ....................................................................................................... 5-60
5.5.8 POWER SWING DETECT ............................................................................... 5-72
5.5.9 LOAD ENCROACHMENT................................................................................ 5-78
5.5.10 CURRENT ELEMENTS ................................................................................... 5-80
5.5.11 INVERSE TIME OVERCURRENT CURVE CHARACTERISTICS .................. 5-81
5.5.12 PHASE CURRENT .......................................................................................... 5-86
5.5.13 NEUTRAL CURRENT...................................................................................... 5-92
5.5.14 GROUND CURRENT....................................................................................... 5-99
5.5.15 NEGATIVE SEQUENCE CURRENT ............................................................. 5-101
5.5.16 BREAKER FAILURE...................................................................................... 5-103
5.5.17 VOLTAGE ELEMENTS .................................................................................. 5-112
5.5.18 PHASE VOLTAGE ......................................................................................... 5-113
5.5.19 NEUTRAL VOLTAGE .................................................................................... 5-115
5.5.20 AUXILIARY VOLTAGE .................................................................................. 5-116
5.5.21 SUPERVISING ELEMENTS .......................................................................... 5-118
5.6 CONTROL ELEMENTS
5.6.1 OVERVIEW .................................................................................................... 5-125
5.6.2 SETTING GROUPS ....................................................................................... 5-125
5.6.3 SYNCHROCHECK......................................................................................... 5-126
5.6.4 AUTORECLOSE ............................................................................................ 5-130
5.6.5 DIGITAL ELEMENTS ..................................................................................... 5-137
5.6.6 DIGITAL COUNTERS .................................................................................... 5-140
5.6.7 MONITORING ELEMENTS ........................................................................... 5-142
5.6.8 BREAKER ARCING CURRENT .................................................................... 5-142
5.6.9 CONTINUOUS MONITOR ............................................................................. 5-144
5.6.10 CT FAILURE DETECTOR ............................................................................. 5-145
5.6.11 VT FUSE FAILURE ........................................................................................ 5-147
5.6.12 PILOT SCHEMES .......................................................................................... 5-148
5.7 INPUTS / OUTPUTS
5.7.1 CONTACT INPUTS........................................................................................ 5-151
L90 Line Differential Relay iii