GE C70 Instruction Manual page 8

9 THEORY OF
OPERATION
10 MAINTENANCE
A FLEXANALOG
OPERANDS
viii
8.3.3 Protection for rack faults (arc-over within capacitor banks)......................... 8-10
8.3.4 Overvoltage .......................................................................................................................... 8-10
8.3.5 Overcurrent........................................................................................................................... 8-11
8.3.6 Loss of bus voltage ........................................................................................................... 8-11
8.4 Settings example ...........................................................................................8-11
8.4.1 Overview ................................................................................................................................ 8-11
8.4.2 VT and CT setup.................................................................................................................. 8-12
8.4.3 Source assignment ........................................................................................................... 8-14
8.4.4 Bank unbalance calculations....................................................................................... 8-14
8.4.5 Bank voltage differential settings .............................................................................. 8-16
8.4.6 Bank phase current unbalance settings................................................................. 8-18
8.4.7 Bank phase overvoltage settings............................................................................... 8-19
8.4.8 Bank phase undervoltage settings............................................................................ 8-20
8.4.9 Bank overcurrent protection ........................................................................................ 8-21
9.1 Overview ........................................................................................................... 9-1
9.1.1 General operation.................................................................................................................9-1
9.1.2 Bank phase overvoltage (ANSI 59B) .............................................................................9-1
9.1.3 Voltage differential (ANSI 87V) ........................................................................................9-3
9.1.4 Compensated bank neutral voltage unbalance (ANSI 59NU)..........................9-7
9.1.5 Phase current unbalance (ANSI 60P) ........................................................................ 9-11
9.1.6 Neutral current unbalance (ANSI 60N)..................................................................... 9-14
10.1 Monitoring.......................................................................................................10-1
10.1.1 Devices with Site Targets ............................................................................................... 10-1
10.1.2 Data with Modbus Analyzer.......................................................................................... 10-1
10.2 General maintenance ...................................................................................10-3
10.2.1 In-service maintenance.................................................................................................. 10-3
10.2.2 Out-of-service maintenance ........................................................................................ 10-3
10.2.3 Unscheduled maintenance (system interruption) .............................................. 10-3
10.3 Retrieve files ...................................................................................................10-3
10.3.1 CyberSentry security event files.................................................................................. 10-4
10.4 Copy settings to other device......................................................................10-5
10.5 Compare settings ..........................................................................................10-5
10.5.1 Compare against defaults ............................................................................................. 10-5
10.5.2 Compare two devices ...................................................................................................... 10-6
10.6 Back up and restore settings.......................................................................10-6
10.6.1 Back up settings .................................................................................................................10-7
10.6.2 Restore settings .................................................................................................................. 10-9
10.7 Upgrade software........................................................................................10-11
10.8 Upgrade firmware .......................................................................................10-12
10.9 Replace module............................................................................................10-13
10.10 Battery ...........................................................................................................10-14
10.10.1 Replace battery for SH/SL power supply ............................................................. 10-14
10.10.2 Dispose of battery .......................................................................................................... 10-15
10.11 Clear files and data after uninstall...........................................................10-19
10.12 Repairs...........................................................................................................10-19
10.13 Storage ..........................................................................................................10-20
10.14 Disposal .........................................................................................................10-20
A.1 FlexAnalog items .............................................................................................A-1
C70 CAPACITOR BANK PROTECTION AND CONTROL SYSTEM - INSTRUCTION MANUAL
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