M
AVTMTTR320-EN Rev A Oct 2008
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2.
Connect the H and X test cables to the respective H and X receptacles of the
TTR320. Make sure that the connectors are securely fastened (using
clockwise rotation) to the receptacles.
3.
Connect the heavy-duty clamps marked H1 and H2 of the test lead to the
corresponding (high-voltage winding) terminals of the transformer under
test. Figures 4-1 and 4-2 show test setups for single-phase transformers.
Figures 4-3 and 4-4 show test setups for regulators.
4.
Connect the heavy-duty clamps marked X1 and X2 of the test lead to the
corresponding (low-voltage winding) terminals of the transformer under test.
Figures 4-1 and 4-2 show test setups for single-phase transformers. Figures
4-3 and 4-4 show test setups for regulators.
5.
On/OFF Switch. It is only after all of the above connections are safely
made and all safety precautions of sections 2 and 3 are satisfied, should the
On/OFF switch be turned to the ON position.
Figure 4-1. Setup for Testing Single-Phase Transformer
Figure 4-2. Setup for Testing Single-Phase Autotransformer
To test windings other than H1 – H2 and X1 – X2, ensure that the heavy-duty
clamp marked H1 is connected to the lower numbered terminal and H2 to the
Summary of Contents for TTR320 Series
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Page 3: ...Three Phase TTR Transformer Turn Ratio Test Set TTR320 series...
Page 8: ...AVTMTTR320 EN Rev A Oct 2008 iv M...
Page 38: ...M AVTMTTR320 EN Rev A Oct 2008 30 M...
Page 44: ...M AVTMTTR320 EN Rev A Oct 2008 36 M...
Page 50: ...M AVTMTTR320 EN Rev A Oct 2008 42 M...
Page 66: ...M AVTMTTR300 Rev A Oct 2008 58...
