Vanguard TRM-203_403 User Manual
Page 69
REV 1 TRM-203 AND TRM-403 USER’S MANUAL
65
3.15 Demagnetizing the Transformer Core
You can demagnetize the transformer core using the steps below:
a. Start from the “Start-Up” menu:
Press the
[1]
key (RUN TEST)
b. The following screen will be displayed:
Press the
[4]
key (DEGAUSS WINDING).
c. The following screen will be displayed:
For this example, we will demagnetize the core of a Wye type (with neutral)
transformer, so press the
[2]
key.
d. The following screen will be displayed:
Select the degaussing current by pressing the corresponding key on the keypad.
DEGAUSS CURRENT:
1.
0.5 AMP
2.
1 AMP
3.
2 AMPS
4.
5 AMPS
5.
10 AMPS
1.
DELTA
2.
WYE (WITH NEUTRAL)
3.
WYE (NO NEUTRAL)
4.
SINGLE PHASE
1.
RESISTANCE TEST
2.
SPECIAL RES TEST
3.
DYNAMIC LTC TEST
4.
DEGAUSS WINDING
1.
RUN TEST
2.
SETUP
3.
USER DIAGNOSTICS
07/30/12
13:12:11
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