GE L30 Instruction Manual page 5
Line current differential
system
ur series
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- Instruction manual (702 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (586 pages)
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TABLE OF CONTENTS
5.2.9
DATA LOGGER ............................................................................................... 5-73
5.2.10
USER-PROGRAMMABLE LEDS..................................................................... 5-75
5.2.11
USER-PROGRAMMABLE SELF-TESTS ........................................................ 5-78
5.2.12
CONTROL PUSHBUTTONS ........................................................................... 5-78
5.2.13
USER-PROGRAMMABLE PUSHBUTTONS ................................................... 5-81
5.2.14
FLEX STATE PARAMETERS .......................................................................... 5-85
5.2.15
USER-DEFINABLE DISPLAYS ....................................................................... 5-86
5.2.16
INSTALLATION................................................................................................ 5-88
5.3 REMOTE RESOURCES
5.3.1
REMOTE RESOURCES CONFIGURATION ................................................... 5-89
5.4.1
AC INPUTS ...................................................................................................... 5-90
5.4.2
POWER SYSTEM............................................................................................ 5-91
5.4.3
SIGNAL SOURCES ......................................................................................... 5-92
5.4.4
87L POWER SYSTEM..................................................................................... 5-95
5.4.5
BREAKERS.................................................................................................... 5-101
5.4.6
DISCONNECT SWITCHES ........................................................................... 5-105
5.4.7
FLEXCURVES ............................................................................................... 5-108
5.4.8
PHASOR MEASUREMENT UNIT.................................................................. 5-115
5.5.1
INTRODUCTION TO FLEXLOGIC ................................................................ 5-138
5.5.2
FLEXLOGIC RULES ...................................................................................... 5-147
5.5.3
FLEXLOGIC EVALUATION ........................................................................... 5-148
5.5.4
FLEXLOGIC EXAMPLE ................................................................................. 5-148
5.5.5
FLEXLOGIC EQUATION EDITOR................................................................. 5-153
5.5.6
FLEXLOGIC TIMERS .................................................................................... 5-153
5.5.7
FLEXELEMENTS........................................................................................... 5-154
5.5.8
NON-VOLATILE LATCHES ........................................................................... 5-159
5.6.1
OVERVIEW.................................................................................................... 5-160
5.6.2
SETTING GROUP ......................................................................................... 5-160
5.6.3
LINE DIFFERENTIAL ELEMENTS ................................................................ 5-160
5.6.4
PHASE CURRENT ........................................................................................ 5-166
5.6.5
NEUTRAL CURRENT.................................................................................... 5-177
5.6.6
GROUND CURRENT..................................................................................... 5-185
5.6.7
NEGATIVE SEQUENCE CURRENT ............................................................. 5-187
5.6.8
BREAKER FAILURE (ANSI 50BF) ................................................................ 5-190
5.6.9
VOLTAGE ELEMENTS .................................................................................. 5-198
5.6.10
SUPERVISING ELEMENTS .......................................................................... 5-205
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..................................................................................... 5-211
5.7.5
UNDERFREQUENCY (ANSI 81U) ................................................................ 5-217
5.7.6
SYNCHROCHECK (ANSI 25)........................................................................ 5-218
5.7.7
AUTORECLOSE (ANSI 79) ........................................................................... 5-222
5.7.8
DIGITAL ELEMENTS..................................................................................... 5-228
5.7.9
DIGITAL COUNTERS .................................................................................... 5-231
5.7.10
MONITORING ELEMENTS ........................................................................... 5-233
5.8.1
CONTACT INPUTS........................................................................................ 5-244
5.8.2
VIRTUAL INPUTS.......................................................................................... 5-246
5.8.3
CONTACT OUTPUTS.................................................................................... 5-247
5.8.4
VIRTUAL OUTPUTS ...................................................................................... 5-250
5.8.5
REMOTE DEVICES ....................................................................................... 5-250
5.8.6
REMOTE INPUTS.......................................................................................... 5-252
5.8.7
REMOTE DOUBLE-POINT STATUS INPUTS .............................................. 5-253
5.8.8
REMOTE OUTPUTS...................................................................................... 5-253
5.8.9
DIRECT INPUTS AND OUTPUTS ................................................................. 5-254
5.8.10
RESETTING................................................................................................... 5-256
5.8.11
IEC 61850 GOOSE ANALOGS...................................................................... 5-256
5.8.12
IEC 61850 GOOSE INTEGERS..................................................................... 5-257
L30 Line Current Differential System
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