GE UR Series Instruction Manual page 201

5 SETTINGS
b) AUXILIARY OV1 (AUXILIARY OVERVOLTAGE: ANSI 59X)
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PATH: SETTINGS GROUPED ELEMENTS
„
AUXILIARY OV1
„
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
This element is intended for monitoring overvoltage conditions of the auxiliary voltage. A typical application for this element
is monitoring the zero-sequence voltage (3V_0) supplied from an open-corner-delta VT connection. The nominal second-
ary voltage of the auxiliary voltage channel entered under
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AUXILIARY VT X5 SECONDARY
SETTING
AUX OV1
FUNCTION:
Disabled=0
Enabled=1
SETTING
AUX OV1 BLOCK:
Off=0
SETTING
AUX OV1 SIGNAL
SOURCE:
AUXILIARY VOLT (Vx)
GE Power Management
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SETTING GROUP 1(8)
AUX OV1
FUNCTION: Disabled
AUX OV1 SIGNAL
SOURCE: SRC 1
AUX OV1 PICKUP:
0.300 pu
AUX OV1 PICKUP
DELAY: 1.00 s
AUX OV1 RESET
DELAY: 1.00 s
AUX OV1 BLOCK:
Off
AUX OV1
TARGET: Self-reset
AUX OV1
EVENTS: Disabled
SETTINGS
is the p.u. base used when setting the pickup level.
SETTING
AUX OV1 PICKUP:
RUN
AND
<
Vx Pickup
Figure 5–60: AUXILIARY OVERVOLTAGE SCHEME LOGIC
L90 Line Differential Relay
5.5 GROUPED ELEMENTS
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VOLTAGE ELEMENTS AUXILIARY OV1
Range: Disabled, Enabled
Range: SRC 1, SRC 2,..., SRC 6
Range: 0.000 to 3.000 pu in steps of 0.001
Range: 0.00 to 600.00 s in steps of 0.01
Range: 0.00 to 600.00 s in steps of 0.01
Range: FlexLogic™ operand
Range: Self-reset, Latched, Disabled
Range: Disabled, Enabled
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SYSTEM SETUP AC INPUTS
SETTING
AUX OV1 PICKUP
DELAY :
AUX OV1 RESET
DELAY :
t
PKP
t
RST
5
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VOLTAGE BANK X5
FLEXLOGIC OPERANDS
AUX OV1 OP
AUX OV1 DPO
AUX OV1 PKP
827836A2.CDR
5-117