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The preference is that all large power Transformers (>1 MVA) be tested with TTR test set. • Impedance. • DC winding resistance. • Megger and Power Factor ERDA has four test beds to carry out temperature rise and routine tests. Maximum rating of transformers which can be tested at ERDA, Makarpura are up to and. approach of faulty distribution transformer carried out with the following tests: Single-phase voltage transformation ratio test, Single phase Step-upPDF | Using from the first principle to ascertain the status of a faulty Distribution Transformer is very important. In a situation where digitalized. 1600, 2000 and 2500 kVA for 11 kV distribution transformers and 100, 160, 200, Testing of specific resistance of electrical insulating CM%20List.pdf. Distribution transformers are “mass production equipment”; high testing-throughput is a must with- out compromising quality. Our DTTS aims at a highly. U.S.C. 6317(a)) DOE's test procedures for distribution transformers are organization in batches of between 50 to 500 form letters per PDF or as one form In this paper testing of distribution transformer is routine tests conducted in distribution transformers of rating up to 2500KVA and 36KV class. This tests measures the ability of the transformer to withstand the mechanical and thermal stresses caused by the external short circuit. HV terminals are