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Vanguard ATRT-01 S2 User Manual

Page 28

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ATRT-01 S2, ATRT-01B S2, AND ATRT-01D S2 USER’S MANUAL

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3.5.2. Testing a Three Phase Transformer

Follow the steps below to test a three phase transformer:

a. Start from the “START-UP” menu:

Press the

[1]

key (TEST XFMR).

b. The following screen will be displayed:

Select a three-phase transformer test by pressing the corresponding key (

[2]

to

[5]

). For

this example, press the

[2]

key (dT-Y) to select the Delta to Y phase transformer test.

c. The following screen will be displayed:

Select the transformer configuration by pressing the corresponding key (

[1]

to

[6]

). For

this example, press the

[1]

key (Dyn1).

d. The following screen will be displayed:

1. YES

Press the

[1]

key (YES) if you would like to enter the transformer name plate

voltage values. The following screen will be displayed:

Type the H winding name plate voltage value using the numeric keypad. The
screen will be updated as shown:

ENTER H WINDING
NAME-PLATE VOLTAGE:
V

XFMR NAME PLATE VLTG
1. YES
2. NO

dT-Y XFMR CONFIG:

1.Dyn1 2.Dyn3
3.Dyn5 4.Dyn7
5.Dyn9 6.Dyn11

XFMR CONFIGURATION:
1.SNGL PHS 2.dT-Y
3.Y-dT 4.dT-dT
5.Y-Y

1.TEST XFMR 06/02/10

2.SETUP 15:33:10
3.CALCULATOR