Vanguard TRM-203_403 User Manual
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TRM-203 AND TRM-403 USER’S MANUAL
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3.13 Performing a Dynamic LTC Test
The Dynamic LTC Test is used to conduct a resistance test while the LTC or Voltage Regulator is
switching taps. The test will run for 240 seconds to allow the LTC or Voltage Regulator enough
time to switch through all of the taps during the test. The resistance data is recorded
continuously during the test period. Use the following steps to perform a Dynamic LTC Test.
a. Start from the “START-UP” menu:
Press the
[1]
key (RUN TEST).
b. The following screen will be displayed:
Press the
[3]
key (DYNAMIC LTC TEST).
c. The following screen will be displayed:
Select the phase to test by pressing the corresponding numeric key on the keypad. For
this example, we will be testing phase H/X1-H/X0, so press the
[1]
key.
SELECT PHASE:
1.
H/X1-H/X0 (YN PH A)
2.
H/X2-H/X0 (YN PH B)
3.
H/X3-H/X0 (YN PH C)
4.
H/X1-H/X3 (Δ PH A)
5.
H/X2-H/X1 (Δ PH B)
6.
H/X3-H/X2 (Δ PH C)
1.
RESISTANCE TEST
2.
SPECIAL RES TEST
3.
DYNAMIC LTC TEST
4.
DEGAUSS WINDING
1.
RUN TEST
2.
SETUP
3.
USER DIAGNOSTICS
07/31/12
13:12:11
22
°C 72°F