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In the context of a transformer, what is short-circuit current?

April 26, 2017context short-circuit transformer

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In the context of a transformer, what is short-circuit current?

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The short-circuit current is measured on the secondary side. To do so, the secondary side is short-circuited and the transformer is supplied with the specified voltage on the primary side. The short-circuit created increases the input current on the primary side to such a great extent that the current density selected for nominal operation is greatly exceeded. The temperatures this generates can destroy the transformer.