GE L30

GE Multilin L30 Line Current Differential System v
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 SYSTEM SETUP
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 FLEXLOGIC
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 GROUPED ELEMENTS
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 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..................................................................................... 5-211
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 INPUTS AND OUTPUTS
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