GE L90 Instruction Manual page 7

Line current differential system
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TABLE OF CONTENTS
L90 LINE CURRENT DIFFERENTIAL SYSTEM - INSTRUCTION MANUAL
5.11.4
Force contact inputs......................................................................................................5-409
5.11.5
Force contact outputs...................................................................................................5-409
5.11.6
Channel tests.....................................................................................................................5-410
6.1
Actual Values menu ........................................................................................ 6-1
6.2
Front panel........................................................................................................ 6-3
6.3
Status................................................................................................................. 6-4
6.3.1
Contact inputs ....................................................................................................................... 6-4
6.3.2
Virtual inputs........................................................................................................................... 6-4
6.3.3
RxGOOSE boolean inputs.................................................................................................. 6-5
6.3.4
RxGOOSE DPS inputs .......................................................................................................... 6-5
6.3.5
Direct inputs............................................................................................................................ 6-5
6.3.6
Contact outputs .................................................................................................................... 6-5
6.3.7
Virtual outputs ....................................................................................................................... 6-6
6.3.8
RxGOOSE status .................................................................................................................... 6-6
6.3.9
RxGOOSE statistics .............................................................................................................. 6-6
6.3.10
Autoreclose ............................................................................................................................. 6-7
6.3.11
Channel tests.......................................................................................................................... 6-7
6.3.12
Digital counters ..................................................................................................................... 6-8
6.3.13
Selector switches.................................................................................................................. 6-8
6.3.14
Flex states................................................................................................................................ 6-9
6.3.15
Ethernet .................................................................................................................................... 6-9
6.3.16
Real time clock synchronizing........................................................................................ 6-9
6.3.17
Remaining connection status.......................................................................................6-10
6.3.18
Parallel Redundancy Protocol (PRP)...........................................................................6-10
6.3.19
TxGOOSE status ..................................................................................................................6-11
6.4
Metering .......................................................................................................... 6-12
6.4.1
Metering conventions.......................................................................................................6-12
6.4.2
Differential current ............................................................................................................6-16
6.4.3
Sources....................................................................................................................................6-17
6.4.4
Sensitive directional power ...........................................................................................6-23
6.4.5
Synchrocheck.......................................................................................................................6-23
6.4.6
Tracking frequency............................................................................................................6-24
6.4.7
Frequency rate of change..............................................................................................6-24
6.4.8
FlexElements.........................................................................................................................6-24
6.4.9
RxGOOSE analogs ..............................................................................................................6-25
6.4.10
Wattmetric ground fault .................................................................................................6-25
6.4.11
Phasor Measurement Unit .............................................................................................6-25
6.4.12
PMU aggregator..................................................................................................................6-26
6.4.13
Volts per hertz......................................................................................................................6-26
6.4.14
Restricted ground fault....................................................................................................6-27
6.4.15
Transducer inputs and outputs ...................................................................................6-27
6.4.16
Distance..................................................................................................................................6-27
6.5
Records............................................................................................................ 6-29
6.5.1
Fault reports .........................................................................................................................6-29
6.5.2
Event records .......................................................................................................................6-30
6.5.3
Oscillography........................................................................................................................6-31
6.5.4
Data logger ...........................................................................................................................6-32
6.5.5
Phasor Measurement Unit records............................................................................6-32
6.5.6
Breaker maintenance.......................................................................................................6-32
6.6
Product information...................................................................................... 6-33
6.6.1
Model information..............................................................................................................6-33
6.6.2
Firmware revisions ............................................................................................................6-34
vii

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