As an engineer for a private contracting company, you are required to test some dry-type transformers to ensure they are

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As An Engineer For A Private Contracting Company You Are Required To Test Some Dry Type Transformers To Ensure They Are 1 (66.65 KiB) Viewed 40 times

As an engineer for a private contracting company, you are required to test some dry-type transformers to ensure they are functional. The nameplates indicate that all the transformers are 1.2 kVA, 120/480 V single phase dry type. (a) With the aid of a suitable diagram, outline the tests you would conduct to determine the equivalent circuit parameters of the single-phase transformers. (b) The No-Load and Short Circuit tests were conducted on a transformer and the following results were obtained. No Load Test: Input Voltage = 120 V, Input Power = 60 W, Input Current = 0.8 A Short Circuit Test (high voltage side short circuited): Input Voltage = 10 V, Input Power = 30 W, Input Current = 6.0 A Calculate R, X, R and X m eq eq 0