What are the four basic test of a power transformer before you can assume that a transfoer is bad?

or:What are the four basic test of a power transformer before you can assume that a transfoer is bad?or:IR value, voltage ratio test, short circuit t

or:What are the four basic test of a power transformer before you can assume that a transfoer is bad?


or:IR value, voltage ratio test, short circuit test, magnetic balance test, vector groupThese are the above tests we can find the fault in power transformer on site.

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