
GE Multilin G60 Generator Management Relay vii
TABLE OF CONTENTS
5.5 GROUPED ELEMENTS
5.5.1 OVERVIEW...................................................................................................... 5-70
5.5.2 SETTING GROUP ........................................................................................... 5-70
5.5.3 DISTANCE ....................................................................................................... 5-71
5.5.4 POWER SWING DETECT ............................................................................... 5-78
5.5.5 STATOR DIFFERENTIAL ................................................................................ 5-86
5.5.6 PHASE CURRENT .......................................................................................... 5-89
5.5.7 NEUTRAL CURRENT...................................................................................... 5-99
5.5.8 GROUND CURRENT..................................................................................... 5-106
5.5.9 NEGATIVE SEQUENCE CURRENT ............................................................. 5-113
5.5.10 GENERATOR UNBALANCE ......................................................................... 5-116
5.5.11 SPLIT PHASE PROTECTION ....................................................................... 5-118
5.5.12 VOLTAGE ELEMENTS.................................................................................. 5-122
5.5.13 LOSS OF EXCITATION ................................................................................. 5-131
5.5.14 ACCIDENTAL ENERGIZATION .................................................................... 5-133
5.5.15 SENSITIVE DIRECTIONAL POWER............................................................. 5-135
5.5.16 STATOR GROUND........................................................................................ 5-138
5.6 CONTROL ELEMENTS
5.6.1 OVERVIEW.................................................................................................... 5-144
5.6.2 SETTING GROUPS ....................................................................................... 5-144
5.6.3 SELECTOR SWITCH..................................................................................... 5-145
5.6.4 UNDERFREQUENCY.................................................................................... 5-150
5.6.5 OVERFREQUENCY ...................................................................................... 5-151
5.6.6 FREQUENCY RATE OF CHANGE................................................................ 5-152
5.6.7 SYNCHROCHECK......................................................................................... 5-154
5.6.8 DIGITAL ELEMENTS..................................................................................... 5-158
5.6.9 DIGITAL COUNTERS .................................................................................... 5-161
5.6.10 MONITORING ELEMENTS ........................................................................... 5-163
5.7 INPUTS/OUTPUTS
5.7.1 CONTACT INPUTS........................................................................................ 5-164
5.7.2 VIRTUAL INPUTS.......................................................................................... 5-166
5.7.3 CONTACT OUTPUTS.................................................................................... 5-167
5.7.4 VIRTUAL OUTPUTS ...................................................................................... 5-169
5.7.5 REMOTE DEVICES ....................................................................................... 5-170
5.7.6 REMOTE INPUTS.......................................................................................... 5-171
5.7.7 REMOTE OUTPUTS...................................................................................... 5-172
5.7.8 RESETTING................................................................................................... 5-172
5.7.9 DIRECT INPUTS/OUTPUTS ......................................................................... 5-173
5.8 TRANSDUCER I/O
5.8.1 DCMA INPUTS .............................................................................................. 5-177
5.8.2 RTD INPUTS.................................................................................................. 5-178
5.8.3 DCMA OUTPUTS .......................................................................................... 5-178
5.9 TESTING
5.9.1 TEST MODE .................................................................................................. 5-182
5.9.2 FORCE CONTACT INPUTS .......................................................................... 5-182
5.9.3 FORCE CONTACT OUTPUTS ...................................................................... 5-183
6. ACTUAL VALUES 6.1 OVERVIEW
6.1.1 ACTUAL VALUES MAIN MENU ........................................................................ 6-1
6.2 STATUS
6.2.1 CONTACT INPUTS............................................................................................ 6-3
6.2.2 VIRTUAL INPUTS.............................................................................................. 6-3
6.2.3 REMOTE INPUTS.............................................................................................. 6-3
6.2.4 CONTACT OUTPUTS........................................................................................ 6-4
6.2.5 VIRTUAL OUTPUTS .......................................................................................... 6-4
6.2.6 REMOTE DEVICES ........................................................................................... 6-4
6.2.7 DIGITAL COUNTERS ........................................................................................ 6-5
6.2.8 SELECTOR SWITCHES.................................................................................... 6-5
6.2.9 FLEX STATES ................................................................................................... 6-5
6.2.10 ETHERNET........................................................................................................ 6-6
6.2.11 DIRECT INPUTS................................................................................................ 6-6
6.2.12 DIRECT DEVICES STATUS.............................................................................. 6-7