okay so i have got this assignment and i have to write a short note on the Differential Test (aka Bridge Test) in a Transformerits an electrical machines assignmentcan anyone help me out!!!
If your bridge is a baseball diamond with a leg also acoss between third and first, THEN IF, reluctance measurements are equal between Home and first AND between HOME and third, and a second pair of reluctance measurements is equal beteen Second and Third AND between Second and First, THEN there will be no current flow between Third and First because your bridge is in balanceBUT if you vary any reluctance on any single base path, then the bridge is unbalanced and current will flow across between Third and First with amperage depending upon the amount of unbalance.
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