Owner's manual

ATRT-01 S2, ATRT-01B S2, AND ATRT-01D S2 USER’S MANUAL REV 2

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:

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