GE F60 Instruction Manual page 294

5.6 GROUPED ELEMENTS
g) AUXILIARY OVERVOLTAGE (ANSI 59X)
PATH: SETTINGS GROUPED ELEMENTS
AUXILIARY OV1
The F60 contains one auxiliary overvoltage element for each VT bank. This element is intended for monitoring overvoltage
5
conditions of the auxiliary voltage. The nominal secondary voltage of the auxiliary voltage channel entered under
SETUP AC INPUTS
pickup level.
A typical application for this element is monitoring the zero-sequence voltage (3V_0) supplied from an open-corner-delta
VT connection.
SETTING
AUX OV1
FUNCTION:
Disabled=0
Enabled=1
SETTING
AUX OV1 BLOCK:
Off=0
SETTING
AUX OV1 SIGNAL
SOURCE:
AUXILIARY VOLT (Vx)
5-162
SETTING GROUP 1(6)
AUX OV1
FUNCTION: Disabled
AUX OV1 SIGNAL
MESSAGE
SOURCE: SRC 1
AUX OV1 PICKUP:
MESSAGE
0.300 pu
AUX OV1 PICKUP
MESSAGE
DELAY: 1.00 s
AUX OV1 RESET
MESSAGE
DELAY: 1.00 s
AUX OV1 BLOCK:
MESSAGE
Off
AUX OV1 TARGET:
MESSAGE
Self-reset
AUX OV1 EVENTS:
MESSAGE
Disabled
VOLTAGE BANK X5 AUXILIARY VT X5 SECONDARY
SETTING
AUX OV1 PICKUP:
AND RUN
<
Vx Pickup
Figure 5–80: AUXILIARY OVERVOLTAGE SCHEME LOGIC
F60 Feeder Protection System
VOLTAGE ELEMENTS AUXILIARY OV1
Range: Disabled, Enabled
Range: SRC 1, SRC 2
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
is the per-unit (pu) base used when setting the
SETTING
AUX OV1 PICKUP
DELAY :
AUX OV1 RESET
DELAY :
FLEXLOGIC OPERANDS
t
PKP
AUX OV1 OP
t
RST
AUX OV1 DPO
AUX OV1 PKP
5 Z SETTINGS
SYSTEM
827836A2.CDR
GE Multilin