GE C70 Instruction Manual page 310

5.6 GROUPED ELEMENTS
SETTINGS
VOLT DIF 1 BLK STG1:
Off = 0
INHIBIT STAGE 1
VOLT DIF 1 BLK STG2:
Off = 0 INHIBIT STAGE 2
VOLT DIF 1 BLK STG3:
Off = 0
INHIBIT STAGE 3
VOLT DIF 1 BLK STG4:
Off = 0 INHIBIT STAGE 4
VOLTAGE DIF 1
FUNCTION:
Enabled = 1
VA_mag > 0.25 pu
VB_mag > 0.25 pu
VC_mag > 0.25 pu
SETTINGS
VOLTAGE DIF 1
SETTINGS
MATCH FACTOR A:
VOLTAGE DIF 1 BUS VOLTAGE DIF 1 BANK
SOURCE: GROUND:
V1A
V1B
V1C
VOLTAGE DIF 1 TAP
SOURCE:
V2A
V2B
V2C
VN
5
h) BANK PHASE OVERVOLTAGE (ANSI 59B, IEC PTOV)

PATH: SETTINGS GROUPED...
 BANK OVERVOLTAGE 1

5-186
TIMER
5 cycles
SETTING
COMMANDS/
VOLTAGE DIF 1
AUTO-SETTING:
Auto
Manual
Apply?
SETTING
VOLTAGE DIF 1 STG
1A PICKUP:
RUN
VA_dif > PICKUP
SETTING
VOLTAGE DIF 1 STG
2A PICKUP:
RUN
VA_dif > PICKUP
SETTING
VOLTAGE DIF 1 STG
3A PICKUP:
RUN
VA_dif > PICKUP
SETTING
VOLTAGE DIF 1 STG
PHASE B
4A PICKUP:
RUN
VA_dif > PICKUP
PHASE C
Figure 5–82: VOLTAGE DIFFERENTIAL SCHEME LOGIC

SETTING GROUP 1(6)
BANK OV 1
FUNCTION: Disabled
BANK OV 1 BUS
MESSAGE
SOURCE: SRC 1
BANK OV 1 NTRL
MESSAGE
SOURCE: SRC 1
BANK OV 1 BANK
MESSAGE
GROUND: Grounded
BANK OV 1 CURVE:
MESSAGE
FlexCurve A
BANK OV 1 CURVE TIME
MESSAGE
MULTIPLIER: 1.00
BANK OV 1 STG 1A
MESSAGE
PICKUP: 1.050 pu
C70 Capacitor Bank Protection and Control System
RUN 87V FUNCTION
0
COMMANDS
AUTO-SETTING
PROCEDURE
TIMERS
WRITE A NEW SETTING
VOLTAGE DIF 1 DPO
DELAY:
VOLTAGE DIF 1 STG 1
PKP DELAY:
FLEXLOGIC OPERAND
t
PKP
VOLT DIF 1 STG 1A PKP
VOLTAGE DIF 1 STG 2
PKP DELAY:
FLEXLOGIC OPERAND
t
PKP
VOLT DIF 1 STG 2A PKP
VOLTAGE DIF 1 STG 3
PKP DELAY:
FLEXLOGIC OPERAND
t
PKP
VOLT DIF 1 STG 3A PKP
VOLTAGE DIF 1 STG 4
PKP DELAY:
FLEXLOGIC OPERAND
t
PKP
VOLT DIF 1 STG 4A PKP
FLEXLOGIC OPERAND
VOLT DIF 1 PKP A
VOLT DIF 1 PKP B
VOLT DIF 1 PKP C
FLEXLOGIC OPERAND
VOLT DIF 1 PKP
VOLT DIF 1 DPO
 
VOLTAGE... BANK OVERVOLTAGE
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: Grounded, Ungrounded, Ungr w/o Vn
Range: FlexCurve A, FlexCurve B, FlexCurve C,
FlexCurve D
Range: 1.00 to 10.00 in steps of 0.01
Range: 0.800 to 2.000 pu in steps of 0.001
5 SETTINGS
FLEXLOGIC OPERAND
VOLT DIF 1 STG 1A OP
t
DPO
FLEXLOGIC OPERAND
VOLT DIF 1 STG 2A OP
t
DPO
FLEXLOGIC OPERAND
VOLT DIF 1 STG 3A OP
t
DPO
FLEXLOGIC OPERAND
VOLT DIF 1 STG 4A OP
t DPO
FLEXLOGIC OPERAND
VOLT DIF 1 OP A
VOLT DIF 1 OP B
VOLT DIF 1 OP C
FLEXLOGIC OPERAND
VOLT DIF 1 OP
834742A1.DWG

BANK OVERVOLTAGE 1
GE Multilin