5-154
C70 Capacitor Bank Protection and Control System
GE Multilin
5.6 GROUPED ELEMENTS
5 SETTINGS
5
Up to three identical bank overvoltage elements, one per each VT bank configured in hardware, are provided.
The bank phase overvoltage element responds to voltages across the capacitors of the bank. Three stages of definite time
operation, and one stage of inverse time operation are provided. Pickup thresholds of this function are adjustable on a per-
phase basis. The shape of the inverse time curve is user-programmable (via FlexCurves™) with individual pickup levels
and a multiplier common for all three phases. The definite time delays are individually programmable per stage.
The function works with grounded and ungrounded banks. With ungrounded banks, either the neutral point voltage is mea-
sured by the relay and used to derive the true bank voltage based on the bus and neutral-point voltages, or a simplified
method to provide proper voltage protection is used responding to vector differences between the phase-to-phase voltages.
MESSAGE
BANK OV 1 STG 2A
PICKUP: 1.100 pu
Range: 0.800 to 2.000 pu in steps of 0.001
MESSAGE
BANK OV 1 STG 3A
PICKUP: 1.200 pu
Range: 0.800 to 2.000 pu in steps of 0.001
MESSAGE
BANK OV 1 STG 4A
PICKUP: 1.050 pu
Range: 0.800 to 2.000 pu in steps of 0.001
MESSAGE
BANK OV 1 STG 1B
PICKUP: 1.050 pu
Range: 0.800 to 2.000 pu in steps of 0.001
MESSAGE
BANK OV 1 STG 2B
PICKUP: 1.100 pu
Range: 0.800 to 2.000 pu in steps of 0.001
MESSAGE
BANK OV 1 STG 3B
PICKUP: 1.200 pu
Range: 0.800 to 2.000 pu in steps of 0.001
MESSAGE
BANK OV 1 STG 4B
PICKUP: 1.050 pu
Range: 0.800 to 2.000 pu in steps of 0.001
MESSAGE
BANK OV 1 STG 1C
PICKUP: 1.050 pu
Range: 0.800 to 2.000 pu in steps of 0.001
MESSAGE
BANK OV 1 STG 2C
PICKUP: 1.100 pu
Range: 0.800 to 2.000 pu in steps of 0.001
MESSAGE
BANK OV 1 STG 3C
PICKUP: 1.200 pu
Range: 0.800 to 2.000 pu in steps of 0.001
MESSAGE
BANK OV 1 STG 4C
PICKUP: 1.050 pu
Range: 0.800 to 2.000 pu in steps of 0.001
MESSAGE
BANK OV 1 STG 1
PKP DELAY: 60.00 s
Range: 0.00 to 600.00 s in steps of 0.01
MESSAGE
BANK OV 1 STG 2
PKP DELAY: 10.00 s
Range: 0.00 to 600.00 s in steps of 0.01
MESSAGE
BANK OV 1 STG 3
PKP DELAY: 2.00 s
Range: 0.00 to 600.00 s in steps of 0.01
MESSAGE
BANK OV 1 STG 4
PKP DELAY: 0.20 s
Range: 0.00 to 600.00 s in steps of 0.01
MESSAGE
BANK OV 1 DPO DELAY:
0.25 s
Range: 0.00 to 600.00 s in steps of 0.01
MESSAGE
BANK OV 1 BLK:
Off
Range: FlexLogic™ operand
MESSAGE
BANK OV 1 TARGET:
Self-Reset
Range: Self-reset, Latched, Disabled
MESSAGE
BANK OV 1 EVENTS:
Disabled
Range: Disabled, Enabled
Summary of Contents for UR Series C70
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Page 10: ...x C70 Capacitor Bank Protection and Control System GE Multilin TABLE OF CONTENTS ...
Page 344: ...5 220 C70 Capacitor Bank Protection and Control System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Page 586: ...D 10 C70 Capacitor Bank Protection and Control System GE Multilin D 1 OVERVIEW APPENDIXD D ...