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Under what circumstance does need D.C. Resistance Measurement?

April 26, 2017circumstance measurement resistance

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Under what circumstance does need D.C. Resistance Measurement?

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Current from a D.C. resistance bridge is applied to the transformers windings to determine the D.C. resistance voltage of the coils. This test is important for the calculation of I2R for use in the winding temperature test, and as base data for future assessment in the field.