
GE Multilin D30 Line Distance Protection System vii
TABLE OF CONTENTS
5.2.13 FLEX STATE PARAMETERS.......................................................................... 5-53
5.2.14 USER-DEFINABLE DISPLAYS ....................................................................... 5-54
5.2.15 DIRECT INPUTS/OUTPUTS ........................................................................... 5-56
5.2.16 TELEPROTECTION......................................................................................... 5-64
5.2.17 INSTALLATION................................................................................................ 5-64
5.3 REMOTE RESOURCES
5.3.1 REMOTE RESOURCES CONFIGURATION ................................................... 5-66
5.4 SYSTEM SETUP
5.4.1 AC INPUTS ...................................................................................................... 5-67
5.4.2 POWER SYSTEM............................................................................................ 5-68
5.4.3 SIGNAL SOURCES ......................................................................................... 5-69
5.4.4 BREAKERS...................................................................................................... 5-72
5.4.5 DISCONNECT SWITCHES ............................................................................. 5-76
5.4.6 FLEXCURVES™ ............................................................................................. 5-79
5.5 FLEXLOGIC™
5.5.1 INTRODUCTION TO FLEXLOGIC™............................................................... 5-86
5.5.2 FLEXLOGIC™ RULES .................................................................................... 5-96
5.5.3 FLEXLOGIC™ EVALUATION.......................................................................... 5-97
5.5.4 FLEXLOGIC™ EXAMPLE ............................................................................... 5-97
5.5.5 FLEXLOGIC™ EQUATION EDITOR ............................................................. 5-102
5.5.6 FLEXLOGIC™ TIMERS................................................................................. 5-102
5.5.7 FLEXELEMENTS™ ....................................................................................... 5-103
5.5.8 NON-VOLATILE LATCHES ........................................................................... 5-107
5.6 GROUPED ELEMENTS
5.6.1 OVERVIEW.................................................................................................... 5-108
5.6.2 SETTING GROUP ......................................................................................... 5-108
5.6.3 LINE PICKUP................................................................................................. 5-109
5.6.4 DISTANCE ..................................................................................................... 5-111
5.6.5 POWER SWING DETECT ............................................................................. 5-126
5.6.6 LOAD ENCROACHMENT.............................................................................. 5-134
5.6.7 PHASE CURRENT ........................................................................................ 5-136
5.6.8 NEUTRAL CURRENT.................................................................................... 5-147
5.6.9 GROUND CURRENT..................................................................................... 5-154
5.6.10 NEGATIVE SEQUENCE CURRENT ............................................................. 5-157
5.6.11 VOLTAGE ELEMENTS.................................................................................. 5-164
5.7 CONTROL ELEMENTS
5.7.1 OVERVIEW.................................................................................................... 5-172
5.7.2 TRIP BUS....................................................................................................... 5-172
5.7.3 SETTING GROUPS ....................................................................................... 5-174
5.7.4 SELECTOR SWITCH..................................................................................... 5-175
5.7.5 SYNCHROCHECK......................................................................................... 5-181
5.7.6 AUTORECLOSE ............................................................................................ 5-185
5.7.7 DIGITAL ELEMENTS..................................................................................... 5-191
5.7.8 DIGITAL COUNTERS .................................................................................... 5-194
5.7.9 MONITORING ELEMENTS ........................................................................... 5-196
5.8 INPUTS AND OUTPUTS
5.8.1 CONTACT INPUTS........................................................................................ 5-206
5.8.2 VIRTUAL INPUTS.......................................................................................... 5-208
5.8.3 CONTACT OUTPUTS.................................................................................... 5-209
5.8.4 VIRTUAL OUTPUTS ...................................................................................... 5-211
5.8.5 REMOTE DEVICES ....................................................................................... 5-212
5.8.6 REMOTE INPUTS.......................................................................................... 5-213
5.8.7 REMOTE DOUBLE-POINT STATUS INPUTS .............................................. 5-214
5.8.8 REMOTE OUTPUTS...................................................................................... 5-214
5.8.9 RESETTING................................................................................................... 5-215
5.8.10 DIRECT INPUTS AND OUTPUTS ................................................................. 5-216
5.8.11 TELEPROTECTION INPUTS AND OUTPUTS.............................................. 5-219
5.8.12 IEC 61850 GOOSE ANALOGS...................................................................... 5-221
5.8.13 IEC 61850 GOOSE INTEGERS..................................................................... 5-222
5.9 TRANSDUCER INPUTS AND OUTPUTS
5.9.1 DCMA INPUTS .............................................................................................. 5-223
5.9.2 RTD INPUTS.................................................................................................. 5-224
5.9.3 DCMA OUTPUTS .......................................................................................... 5-226