GE G30 - Page 5

GE Multilin G30 Generator Protection System v
TABLE OF CONTENTS
5.2.15 USER-DEFINABLE DISPLAYS ....................................................................... 5-87
5.2.16 DIRECT INPUTS/OUTPUTS ........................................................................... 5-89
5.2.17 TELEPROTECTION......................................................................................... 5-97
5.2.18 INSTALLATION................................................................................................ 5-98
5.3 REMOTE RESOURCES
5.3.1 REMOTE RESOURCES CONFIGURATION................................................... 5-99
5.4 SYSTEM SETUP
5.4.1 AC INPUTS.................................................................................................... 5-100
5.4.2 POWER SYSTEM.......................................................................................... 5-101
5.4.3 SIGNAL SOURCES ....................................................................................... 5-103
5.4.4 TRANSFORMER ........................................................................................... 5-105
5.4.5 BREAKERS.................................................................................................... 5-114
5.4.6 DISCONNECT SWITCHES ........................................................................... 5-118
5.4.7 FLEXCURVES ............................................................................................... 5-121
5.5 FLEXLOGIC
5.5.1 INTRODUCTION TO FLEXLOGIC ................................................................ 5-128
5.5.2 FLEXLOGIC RULES...................................................................................... 5-138
5.5.3 FLEXLOGIC EVALUATION ........................................................................... 5-138
5.5.4 FLEXLOGIC EXAMPLE ................................................................................. 5-139
5.5.5 FLEXLOGIC EQUATION EDITOR................................................................. 5-143
5.5.6 FLEXLOGIC TIMERS .................................................................................... 5-143
5.5.7 FLEXELEMENTS........................................................................................... 5-145
5.5.8 NON-VOLATILE LATCHES ........................................................................... 5-149
5.6 GROUPED ELEMENTS
5.6.1 OVERVIEW.................................................................................................... 5-151
5.6.2 SETTING GROUP ......................................................................................... 5-151
5.6.3 TRANSFORMER PERCENT DIFFERENTIAL (ANSI 87GT)......................... 5-152
5.6.4 PHASE CURRENT ........................................................................................ 5-157
5.6.5 NEUTRAL CURRENT.................................................................................... 5-167
5.6.6 GROUND CURRENT..................................................................................... 5-174
5.6.7 NEGATIVE SEQUENCE CURRENT ............................................................. 5-182
5.6.8 GENERATOR UNBALANCE (ANSI 46)......................................................... 5-186
5.6.9 SPLIT PHASE PROTECTION (ANSI 50SP).................................................. 5-188
5.6.10 VOLTAGE ELEMENTS.................................................................................. 5-192
5.6.11 LOSS OF EXCITATION (ANSI 40) ................................................................ 5-204
5.6.12 ACCIDENTAL ENERGIZATION (ANSI 50/27)............................................... 5-207
5.6.13 SENSITIVE DIRECTIONAL POWER (ANSI 32)............................................ 5-209
5.6.14 STATOR GROUND........................................................................................ 5-212
5.7 CONTROL ELEMENTS
5.7.1 OVERVIEW.................................................................................................... 5-214
5.7.2 TRIP BUS....................................................................................................... 5-214
5.7.3 SETTING GROUPS ....................................................................................... 5-216
5.7.4 SELECTOR SWITCH..................................................................................... 5-218
5.7.5 UNDERFREQUENCY (ANSI 81U) ................................................................ 5-224
5.7.6 OVERFREQUENCY (ANSI 81O)................................................................... 5-225
5.7.7 FREQUENCY RATE OF CHANGE (ANSI 81R) ............................................ 5-226
5.7.8 FREQUENCY OUT-OF-BAND ACCUMULATION......................................... 5-228
5.7.9 SYNCHROCHECK (ANSI 25)........................................................................ 5-230
5.7.10 DIGITAL ELEMENTS..................................................................................... 5-234
5.7.11 DIGITAL COUNTERS .................................................................................... 5-237
5.7.12 MONITORING ELEMENTS ........................................................................... 5-239
5.8 INPUTS AND OUTPUTS
5.8.1 CONTACT INPUTS........................................................................................ 5-246
5.8.2 VIRTUAL INPUTS.......................................................................................... 5-248
5.8.3 CONTACT OUTPUTS.................................................................................... 5-249
5.8.4 VIRTUAL OUTPUTS...................................................................................... 5-252
5.8.5 REMOTE DEVICES....................................................................................... 5-252
5.8.6 REMOTE INPUTS.......................................................................................... 5-254
5.8.7 REMOTE DOUBLE-POINT STATUS INPUTS .............................................. 5-255
5.8.8 REMOTE OUTPUTS...................................................................................... 5-255
5.8.9 RESETTING................................................................................................... 5-256
5.8.10 DIRECT INPUTS AND OUTPUTS................................................................. 5-257
5.8.11 TELEPROTECTION INPUTS AND OUTPUTS.............................................. 5-260
5.8.12 IEC 61850 GOOSE ANALOGS...................................................................... 5-262