Transformer Equivalent Circuit

Published:2011/5/4 21:59:00 Author:Robert | Keyword: Transformer, Equivalent | From:SeekIC

Transformer equivalent circuit is shown below.The approximate equivalent circuit can be used to calculate and analyze some issues of the transformer load operation, such as changes in the secondary side voltage of the parallel load distribution etc. which move the excitation branch to the end point. Little calculation error caused by calculation: the transformer's excitation current (which means the current with no load) is 2%-10% of the rated current. (Less than 1% for large transformer).



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