GE 745 TRANSFORMER MANAGEMENT RELAY User Manual

5-62 745 Transformer Management Relay GE Power Management
5.6 S4 ELEMENTS 5 SETPOINTS
5
c) SETPOINTS
The Winding 1 Restricted Ground Fault setpoints are shown below:
y W1 RESTD GND FAULT
y
[ENTER] for more
Here is the start of the
RESTRICTED GROUND FAULT
section for Winding 1 (2/3).
To continue with these setpoints press , or press to go to the
next section.
W1 RESTD GND FAULT
FUNCTION: Disabled
Range: Disabled / Enabled
W1 RESTD GND FAULT
TARGET: Latched
Range: Self-reset / Latched / None
Select
None
to inhibit the display of the target message when the element
operates. Thus an element whose “target type” is
None
will never disable the
LED self-test feature because can not generate a displayable target
message.
W1 RESTD GND FAULT
PICKUP: 0.08 x CT
Range: 0.05 to 20.00 (steps of 0.01)
Enter the minimum level of ground differential current (in units of relay
nominal current) for the W1 (2/3) restricted ground fault element.
W1 RESTD GND FAULT
SLOPE: 10%
Range: 0 to 100 (steps of 1)
Enter a slope percentage (of ground differential current to maximum line
current).
W1 RESTD GND FAULT
DELAY: 0.10 s
Range: 0.00 to 600.00 (steps of 0.01)
Enter the time that the W1 (2/3) restricted ground fault element must remain
picked up before the element operates.
W1 RESTD GND FAULT
BLOCK: Disabled
Range: Disabled / Logc Inpt 1 (2-16) /Virt Inpt 1 (2-16) / Output Rly 1 (2-8) /
SelfTest Rly / Virt Outpt 1 (2-5)
ENTER
MESSAGE

GE 745 TRANSFORMER MANAGEMENT RELAY Specifications

General

Brand	GE
Model	745 TRANSFORMER MANAGEMENT RELAY
Category	Relays
Language	English