GE C70 Instruction Manual page 391
Capacitor bank protection
and control system
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- Instruction manual (708 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (546 pages)
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CHAPTER 5: SETTINGS
5.7.8.9 Neutral voltage unbalance (ANSI 59NU, IEC PVCB/PTOV)
SETTINGS GROUPED ELEMENTS SETTING GROUP 1(6) VOLTAGE ELEMENTS NEUTRAL VOLTAGE
UNBALANCE 1(3)
NEUTRAL VOLTAGE
UNBALANCE 1
C70 CAPACITOR BANK PROTECTION AND CONTROL SYSTEM – INSTRUCTION MANUAL
Figure 5-119: Bank phase overvoltage logic
NTRL VOL UNBAL 1
FUNCTION: Disabled
NTRL VOL UNBAL 1
NTRL SOURCE: SRC 1
NTRL VOL UNBAL 1
BUS SOURCE: SRC 1
NTRL VOL UNBAL 1 BUS
3V0: Calculated
NTRL VOL UNBAL 1
GROUND: VT (ungrnd)
NTRL VOL UNBAL 1
AB RATIO: 1.0000
NTRL VOL UNBAL 1
AC RATIO: 1.0000
NTRL VOL UNBAL 1
STG 1 PKP: 0.010 pu
NTRL VOL UNBAL 1
STG 1 SLOPE: 0.0%
NTRL VOL UNBAL 1
STG 2 PKP: 0.020 pu
NTRL VOL UNBAL 1
STG 2 SLOPE: 0.0%
GROUPED ELEMENTS
Range: Disabled, Enabled
Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6
Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6
Range: Calculated, Measured
Range: VT (ungrnd), CTxR (grnd)
Range: 0.7500 to 1.2500 in steps of 0.0001
Range: 0.7500 to 1.2500 in steps of 0.0001
Range: 0.001 to 1.000 pu in steps of 0.001
Range: 0.0 to 10.0% in steps of 0.1
Range: 0.001 to 1.000 pu in steps of 0.001
Range: 0.0 to 10.0% in steps of 0.1
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