GE C70 Instruction Manual page 7

Capacitor bank protection and control system
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C70 CAPACITOR BANK PROTECTION AND CONTROL SYSTEM - INSTRUCTION MANUAL
6.3.14
Ethernet .................................................................................................................................... 6-7
6.3.15
Real time clock synchronizing........................................................................................ 6-8
6.3.16
Direct inputs............................................................................................................................ 6-8
6.3.17
Direct devices status .......................................................................................................... 6-9
6.3.18
Teleprotection channel tests .......................................................................................... 6-9
6.3.19
Remaining connection status.......................................................................................6-10
6.3.20
Parallel Redundancy Protocol (PRP)...........................................................................6-10
6.3.21
TxGOOSE status ..................................................................................................................6-11
6.4
Metering .......................................................................................................... 6-11
6.4.1
Metering conventions.......................................................................................................6-11
6.4.2
Sources....................................................................................................................................6-15
6.4.3
Capacitor control................................................................................................................6-19
6.4.4
Capacitor bank ....................................................................................................................6-20
6.4.5
Tracking frequency............................................................................................................6-21
6.4.6
FlexElements.........................................................................................................................6-21
6.4.7
RxGOOSE analogs ..............................................................................................................6-22
6.4.8
Transducer inputs/outputs ............................................................................................6-22
6.5
Records............................................................................................................ 6-22
6.5.1
User-programmable fault reports..............................................................................6-22
6.5.2
Event records .......................................................................................................................6-23
6.5.3
Oscillography........................................................................................................................6-23
6.5.4
Data logger ...........................................................................................................................6-24
6.5.5
Breaker maintenance.......................................................................................................6-24
6.6
Product information...................................................................................... 6-25
6.6.1
Model information..............................................................................................................6-25
6.6.2
Firmware revisions ............................................................................................................6-26
7.1
Commands menu ............................................................................................ 7-1
7.1.1
Capacitor bank automatic setting ............................................................................... 7-2
7.1.2
Virtual inputs........................................................................................................................... 7-6
7.1.3
Clear records .......................................................................................................................... 7-6
7.1.4
Set date and time................................................................................................................. 7-7
7.1.5
Relay maintenance.............................................................................................................. 7-7
7.1.6
Security ..................................................................................................................................... 7-8
7.2
Targets menu ................................................................................................... 7-9
7.2.1
Target messages .................................................................................................................. 7-9
7.2.2
Relay self-tests ...................................................................................................................... 7-9
8.1
Arrangement of shunt capacitor banks ...................................................... 8-1
8.1.1
Overview................................................................................................................................... 8-1
8.1.2
Externally fused capacitors ............................................................................................. 8-1
8.1.3
Internally fused capacitors .............................................................................................. 8-2
8.1.4
Fuseless capacitors............................................................................................................. 8-2
8.1.5
8.2
Connections of shunt capacitor banks........................................................ 8-3
8.2.1
Grounded wye-connected banks ................................................................................. 8-3
8.2.2
Ungrounded wye-connected banks............................................................................ 8-3
8.2.3
Delta connected banks...................................................................................................... 8-4
8.2.4
H-configuration..................................................................................................................... 8-4
8.2.5
Tapped configuration......................................................................................................... 8-4
8.2.6
Summary.................................................................................................................................. 8-4
8.3
Protection methods for capacitor banks .................................................... 8-5
8.3.1
Overview................................................................................................................................... 8-5
8.3.2
Capacitor unbalance protection ................................................................................... 8-5
vii

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