M
AVTMMTO210 Rev 7 Sept 2013
26
wye-connected winding or between pairs of terminals on a delta-connected
winding. Comparison may also be made with original data measured in the
factory.
Testing a Single-Phase Transformer
SINGLE-WINDING TEST
Figure 2: Single Winding Measurement
F
WARNING
Do not disconnect leads until all indicators are OFF!
PROCEDURE:
1. Connect line cord to unit and plug into 120 V/230 V socket.
2. Connect Safety GND cord from Top Panel to Transformer GND.
3. Set the following conditions:
a.
Set to TEST position.
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