
GE Multilin L30 Line Current Differential System v
TABLE OF CONTENTS
5.2.9 DATA LOGGER ............................................................................................... 5-67
5.2.10 USER-PROGRAMMABLE LEDS..................................................................... 5-68
5.2.11 USER-PROGRAMMABLE SELF-TESTS ........................................................ 5-71
5.2.12 CONTROL PUSHBUTTONS ........................................................................... 5-72
5.2.13 USER-PROGRAMMABLE PUSHBUTTONS ................................................... 5-74
5.2.14 FLEX STATE PARAMETERS.......................................................................... 5-80
5.2.15 USER-DEFINABLE DISPLAYS ....................................................................... 5-80
5.2.16 INSTALLATION................................................................................................ 5-82
5.3 REMOTE RESOURCES
5.3.1 REMOTE RESOURCES CONFIGURATION................................................... 5-83
5.4 SYSTEM SETUP
5.4.1 AC INPUTS ...................................................................................................... 5-84
5.4.2 POWER SYSTEM............................................................................................ 5-85
5.4.3 SIGNAL SOURCES ......................................................................................... 5-86
5.4.4 87L POWER SYSTEM..................................................................................... 5-89
5.4.5 BREAKERS...................................................................................................... 5-95
5.4.6 DISCONNECT SWITCHES ............................................................................. 5-99
5.4.7 FLEXCURVES ............................................................................................... 5-102
5.4.8 PHASOR MEASUREMENT UNIT.................................................................. 5-109
5.5 FLEXLOGIC
5.5.1 INTRODUCTION TO FLEXLOGIC ................................................................ 5-131
5.5.2 FLEXLOGIC RULES ...................................................................................... 5-140
5.5.3 FLEXLOGIC EVALUATION ........................................................................... 5-141
5.5.4 FLEXLOGIC EXAMPLE ................................................................................. 5-141
5.5.5 FLEXLOGIC EQUATION EDITOR................................................................. 5-146
5.5.6 FLEXLOGIC TIMERS .................................................................................... 5-146
5.5.7 FLEXELEMENTS........................................................................................... 5-147
5.5.8 NON-VOLATILE LATCHES ........................................................................... 5-151
5.6 GROUPED ELEMENTS
5.6.1 OVERVIEW.................................................................................................... 5-152
5.6.2 SETTING GROUP ......................................................................................... 5-152
5.6.3 LINE DIFFERENTIAL ELEMENTS ................................................................ 5-152
5.6.4 PHASE CURRENT ........................................................................................ 5-158
5.6.5 NEUTRAL CURRENT................................................................................... 5-169
5.6.6 GROUND CURRENT..................................................................................... 5-176
5.6.7 NEGATIVE SEQUENCE CURRENT ............................................................. 5-179
5.6.8 BREAKER FAILURE...................................................................................... 5-181
5.6.9 VOLTAGE ELEMENTS.................................................................................. 5-189
5.6.10 SUPERVISING ELEMENTS .......................................................................... 5-195
5.7 CONTROL ELEMENTS
5.7.1 OVERVIEW.................................................................................................... 5-197
5.7.2 TRIP BUS....................................................................................................... 5-197
5.7.3 SETTING GROUPS ....................................................................................... 5-199
5.7.4 SELECTOR SWITCH..................................................................................... 5-201
5.7.5 UNDERFREQUENCY.................................................................................... 5-207
5.7.6 SYNCHROCHECK......................................................................................... 5-208
5.7.7 AUTORECLOSE ............................................................................................ 5-212
5.7.8 DIGITAL ELEMENTS..................................................................................... 5-218
5.7.9 DIGITAL COUNTERS .................................................................................... 5-221
5.7.10 MONITORING ELEMENTS ........................................................................... 5-223
5.8 INPUTS AND OUTPUTS
5.8.1 CONTACT INPUTS........................................................................................ 5-234
5.8.2 VIRTUAL INPUTS.......................................................................................... 5-236
5.8.3 CONTACT OUTPUTS.................................................................................... 5-237
5.8.4 VIRTUAL OUTPUTS...................................................................................... 5-239
5.8.5 REMOTE DEVICES ....................................................................................... 5-240
5.8.6 REMOTE INPUTS.......................................................................................... 5-242
5.8.7 REMOTE DOUBLE-POINT STATUS INPUTS .............................................. 5-243
5.8.8 REMOTE OUTPUTS...................................................................................... 5-243
5.8.9 DIRECT INPUTS AND OUTPUTS................................................................. 5-244
5.8.10 RESETTING................................................................................................... 5-247
5.8.11 IEC 61850 GOOSE ANALOGS...................................................................... 5-247
5.8.12 IEC 61850 GOOSE INTEGERS..................................................................... 5-248