GE 745 TRANSFORMER MANAGEMENT RELAY User Manual

6-10 745 Transformer Management Relay GE Power Management
6.3 A2 METERING 6 ACTUAL VALUES
6
b) CURRENT DEMAND
The following Actual Values messages are repeated for Windings 1, 2 and 3.
6.3.8 AMBIENT TEMPERATURE
Ambient temperature is monitored via an RTD connected to the 745.
6.3.9 LOSS OF LIFE
y W1 CURRENT DEMAND
y [ENTER] for more
This message indicates the start of the Winding 1 (2/3) Current Demand
actual values. To view these actual values press or press to
scroll to the current demand values for the next winding.
W1 PHASE A CURRENT
DEMAND: 0A
This message displays the Winding 1 (2/3) phase A current demand.
W1 PHASE B CURRENT
DEMAND: 0A
This message displays the Winding 1 (2/3) phase B current demand.
W1 PHASE C CURRENT
DEMAND: 0A
This message displays the Winding 1 (2/3) phase C current demand.
MAXIMUM W1 DEMAND:
0A in phase A
This message displays the maximum Winding 1 (2/3) current demand and
the phase in which it occurred since the demand data was last reset.
MAXIMUM W1 DEMAND
DATE: Jan 01 1996
This message displays the date when the maximum Winding 1 (2/3) current
demand was detected. If the date has never been programmed, this
message will display
Jan 01 1996
MAXIMUM W1 DEMAND
TIME: 00:00:00.000
This message displays the time when the maximum Winding 1 (2/3) current
demand was detected.
y AMBIENT TEMP
y [ENTER] for more
This message indicates the start of the Ambient Temperature actual values.
To view these actual values press or press for the next
section.
AMBIENT TEMPERATURE
0 °C
This message displays the measured ambient temperature.
y LOSS OF LIFE
y [ENTER] for more
This message indicates the start of the LOSS OF LIFE actual values. To
view these actual values press or press for the next section.
HOTTEST-SPOT WINDING
TEMPERATURE: 1ºC
This is the computed hottest-spot temperature, based on the ambient
temperature and the highest-load winding current.
INSULATION AGING
FACTOR: 0.0
The insulation aging factor is computed from the hottest-spot temperature.
TOTAL ACCUM LOSS OF
LIFE: 0.00 hours
Total equivalent service hours of the transformer.
ENTER
MESSAGE
ENTER
MESSAGE
ENTER
MESSAGE

GE 745 TRANSFORMER MANAGEMENT RELAY Specifications

General

Brand	GE
Model	745 TRANSFORMER MANAGEMENT RELAY
Category	Relays
Language	English