GE D60 User Manual

5-248 D60 Line Distance Protection System GE Multilin
5.6 GROUPED ELEMENTS 5 SETTINGS
5
g) AUXILIARY OVERVOLTAGE (ANSI 59X, IEC PTOV)
PATH: SETTINGS  GROUPED ELEMENTS  SETTING GROUP 1(6)  VOLTAGE ELEMENTS  AUXILIARY OV1(2)
The D60 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
SYSTEM
SETUP  AC INPUTS  VOLTAGE BANK X5  AUXILIARY VT X5 SECONDARY is the per-unit (pu) base used when setting the
pickup level.
A typical application for this element is monitoring the zero-sequence voltage (3V_0) supplied from an open-corner-delta
VT connection.
Figure 5–125: AUXILIARY OVERVOLTAGE SCHEME LOGIC
 AUXILIARY OV1

AUX OV1
FUNCTION: Disabled
Range: Disabled, Enabled
MESSAGE
AUX OV1 SIGNAL
SOURCE: SRC 1
Range: SRC 1, SRC 2, SRC 3, SRC 4
MESSAGE
AUX OV1 PICKUP:
0.300 pu
Range: 0.000 to 3.000 pu in steps of 0.001
MESSAGE
AUX OV1 PICKUP
DELAY: 1.00 s
Range: 0.00 to 600.00 s in steps of 0.01
MESSAGE
AUX OV1 RESET
DELAY: 1.00 s
Range: 0.00 to 600.00 s in steps of 0.01
MESSAGE
AUX OV1 BLOCK:
Off
Range: FlexLogic operand
MESSAGE
AUX OV1 TARGET:
Self-reset
Range: Self-reset, Latched, Disabled
MESSAGE
AUX OV1 EVENTS:
Disabled
Range: Disabled, Enabled
827836A3.CDR
FLEXLOGIC OPERANDS
AUX OV1
FUNCTION:
AUX OV1 BLOCK:
AUX OV1 SIGNAL
SOURCE:
AUX OV1 PICKUP:
AUX OV1 DPO
AUX OV1 OP
AUX OV1 PKP
RUN
AND
SETTING
SETTING
AUX OV1 RESET
DELAY :
AUX OV1 PICKUP
DELAY :
SETTING
Enabled=1
t
PKP
tRST
SETTING
SETTING
Off=0
AUXILIARY VOLT (Vx)
Vx Pickup
<

GE D60 Specifications

General

Brand	GE
Model	D60
Category	Protection Device
Language	English