Non-loading heat run test on transformers is performed by means of-
1 sc test
2 oc test
3 half time on sc and half time on oc
4 sumpner's test
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1) SC TEST:- Short-circuit test
The purpose of a short-circuit test is to determine the series branch parameters of the equivalent circuit of a real transformer.
2) OC TEST:- Open-circuit test
The open-circuit test, or "no-load test", is one of the methods used in electrical engineering to determine the no-load impedance in the excitation branch of a transformer.
4) SUMPNER's TEST:-
Sumpner's test or back to back test on transformer is another method for determining transformer efficiency, voltage regulation and heating under loaded conditions.
The purpose of a short-circuit test is to determine the series branch parameters of the equivalent circuit of a real transformer.
2) OC TEST:- Open-circuit test
The open-circuit test, or "no-load test", is one of the methods used in electrical engineering to determine the no-load impedance in the excitation branch of a transformer.
4) SUMPNER's TEST:-
Sumpner's test or back to back test on transformer is another method for determining transformer efficiency, voltage regulation and heating under loaded conditions.
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this help more I think
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