Leakage Reactance Test Procedures
3-6 72A-2243-01 Rev. B 9/04
September 17, 2004
left floating. In a three-winding unit, the test procedures described above are
applied to three pairs of windings. In a four-winding unit, they are applied to
six pairs of windings. The figure below shows the Per-Phase leakage reactance
test on one phase between the H and X windings of a three-winding
transformer. Tests would then be made between H and Y windings (X
floating), and between X and Y (H floating).
Figure 3.2 Leakage Reactance Test on a Three-Winding Transformer
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