
GE Multilin L60 Line Phase Comparison System vii
TABLE OF CONTENTS
5.2.14 FLEX STATE PARAMETERS..........................................................................5-51
5.2.15 USER-DEFINABLE DISPLAYS .......................................................................5-52
5.2.16 DIRECT INPUTS/OUTPUTS ...........................................................................5-54
5.2.17 TELEPROTECTION.........................................................................................5-62
5.2.18 INSTALLATION................................................................................................5-62
5.3 SYSTEM SETUP
5.3.1 AC INPUTS......................................................................................................5-64
5.3.2 POWER SYSTEM............................................................................................5-66
5.3.3 SIGNAL SOURCES.........................................................................................5-67
5.3.4 BREAKERS......................................................................................................5-70
5.3.5 DISCONNECT SWITCHES .............................................................................5-74
5.3.6 FLEXCURVES™..............................................................................................5-77
5.4 FLEXLOGIC™
5.4.1 INTRODUCTION TO FLEXLOGIC™...............................................................5-84
5.4.2 FLEXLOGIC™ RULES ....................................................................................5-95
5.4.3 FLEXLOGIC™ EVALUATION..........................................................................5-95
5.4.4 FLEXLOGIC™ EXAMPLE ...............................................................................5-95
5.4.5 FLEXLOGIC™ EQUATION EDITOR.............................................................5-100
5.4.6 FLEXLOGIC™ TIMERS.................................................................................5-100
5.4.7 FLEXELEMENTS™.......................................................................................5-101
5.4.8 NON-VOLATILE LATCHES...........................................................................5-105
5.5 GROUPED ELEMENTS
5.5.1 OVERVIEW....................................................................................................5-106
5.5.2 SETTING GROUP .........................................................................................5-106
5.5.3 PHASE COMPARISON ELEMENTS.............................................................5-107
5.5.4 LINE PICKUP.................................................................................................5-125
5.5.5 DISTANCE.....................................................................................................5-127
5.5.6 POWER SWING DETECT.............................................................................5-144
5.5.7 LOAD ENCROACHMENT..............................................................................5-153
5.5.8 PHASE CURRENT ........................................................................................5-155
5.5.9 NEUTRAL CURRENT....................................................................................5-165
5.5.10 WATTMETRIC GROUND FAULT..................................................................5-173
5.5.11 GROUND CURRENT.....................................................................................5-176
5.5.12 NEGATIVE SEQUENCE CURRENT .............................................................5-178
5.5.13 BREAKER FAILURE......................................................................................5-184
5.5.14 VOLTAGE ELEMENTS..................................................................................5-193
5.6 CONTROL ELEMENTS
5.6.1 OVERVIEW....................................................................................................5-201
5.6.2 TRIP BUS.......................................................................................................5-201
5.6.3 SETTING GROUPS.......................................................................................5-203
5.6.4 SELECTOR SWITCH.....................................................................................5-204
5.6.5 TRIP OUTPUT...............................................................................................5-210
5.6.6 SYNCHROCHECK.........................................................................................5-215
5.6.7 DIGITAL ELEMENTS.....................................................................................5-219
5.6.8 DIGITAL COUNTERS....................................................................................5-222
5.6.9 MONITORING ELEMENTS ...........................................................................5-224
5.6.10 PILOT SCHEMES..........................................................................................5-236
5.6.11 AUTORECLOSE............................................................................................5-239
5.7 INPUTS/OUTPUTS
5.7.1 CONTACT INPUTS........................................................................................5-251
5.7.2 VIRTUAL INPUTS..........................................................................................5-253
5.7.3 CONTACT OUTPUTS....................................................................................5-254
5.7.4 VIRTUAL OUTPUTS......................................................................................5-256
5.7.5 REMOTE DEVICES.......................................................................................5-257
5.7.6 REMOTE INPUTS..........................................................................................5-258
5.7.7 REMOTE DOUBLE-POINT STATUS INPUTS ..............................................5-259
5.7.8 REMOTE OUTPUTS......................................................................................5-259
5.7.9 RESETTING...................................................................................................5-260
5.7.10 DIRECT INPUTS AND OUTPUTS.................................................................5-261
5.7.11 TELEPROTECTION INPUTS AND OUTPUTS..............................................5-264
5.7.12 IEC 61850 GOOSE ANALOGS......................................................................5-266
5.8 TRANSDUCER INPUTS AND OUTPUTS
5.8.1 DCMA INPUTS ..............................................................................................5-268
5.8.2 RTD INPUTS..................................................................................................5-269