GE D60 Instruction Manual page 336

5.6 GROUPED ELEMENTS
g) AUXILIARY OVERVOLTAGE (ANSI 59X)

PATH: SETTINGS GROUPED ELEMENTS
 AUXILIARY OV1

The D60 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)
5-202

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 5–115: AUXILIARY OVERVOLTAGE SCHEME LOGIC
D60 Line Distance Protection System
 
VOLTAGE ELEMENTS AUXILIARY OV1(2)
Range: Disabled, Enabled
Range: SRC 1, SRC 2, SRC 3, SRC 4
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 :
t
PKP
t
RST
5 SETTINGS
SYSTEM
FLEXLOGIC OPERANDS
AUX OV1 OP
AUX OV1 DPO
AUX OV1 PKP
827836A2.CDR
GE Multilin