Setup, Connections & Operation
AVTMTTR25 Rev C April 2008
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polarity of the windings is reversed (“-” sign is displayed in front of the
turns ratio test result).
See Figure 4-6.
5. When testing full secondary winding (X1 – X3), connect X1 clip to X1
terminal, connect X2 clip to X3 terminal. Remove the ground connection to
X2 transformer terminal before starting the test. Expect that polarity of the
windings is normal (“+” sign is displayed in front of the turns ratio test
result).
See Figure 4-7.
Figure 4-1 Setup for Testing Single-Phase Transformer
Figure 4-2 Setup for Testing Single-Phase Autotransformer
TTR25
TTR25