Vanguard ATRT-03_03B User Manual
Page 46

REV 7 ATRT-03, ATRT-03A, AND ATRT-03B USER’S MANUAL
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3.6.3. Performing a Three-Phase Test (Y-dT Example)
Follow the steps below to perform a three-phase test. The following example is for testing a Y-
dT type transformer:
a. Start from the “START-UP” menu:
Press the
[1]
key (TEST XFMR).
b. The following screen will be displayed:
Press the
[2]
key (dT-Y).
c. The following screen will be displayed:
Press the
[1]
key (NO).
d. The following screen will be displayed:
NOTE
If you had entered name plate voltages for a previous test, the following screen
will be displayed instead of the above screen:
Press the
[3]
key if you would like to use the name plate voltage values from
the previous test performed, and then continue to step d.
See below for details about options 1 and 2.
XFMR NAME PLATE VLTG
1.YES
2.NO
3.USE PREVIOUS DATA
XFMR NAME PLATE VLTG
1.YES
2.NO
STOP BETWEEN PHASES?
1.NO
2.YES
XFMR CONFIGURATION:
1.SNG PHS 2.dT-Y
3.Y-dT 4.dT-dT
5.Y-Y 6.SP TEST
1.TEST XFMR 08/16/10
2.SETUP 08:14:58
3.CALCULATOR
4.DIAG 5.QUICK TST