GE UR series Instruction Manual page 332

5.5 GROUPED ELEMENTS
g) AUXILIARY OVERVOLTAGE (ANSI 59X)
PATH: SETTINGS GROUPED ELEMENTS
AUXILIARY OV1
The L60 contains one auxiliary overvoltage element for each VT bank. This element is intended for monitoring overvoltage
conditions of the auxiliary voltage. The nominal secondary voltage of the auxiliary voltage channel entered under
5
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)
5-200
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 5–111: AUXILIARY OVERVOLTAGE SCHEME LOGIC
L60 Line Phase Comparison System
VOLTAGE ELEMENTS AUXILIARY OV1(2)
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 SETTINGS
SYSTEM
827836A2.CDR
GE Multilin