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Can Transformers be used in parallel?

April 26, 2017parallel transformers Used

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Can Transformers be used in parallel?

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Single phase transformers can be used in parallel only when their voltages are equal. If unequal voltages are used, a circulating current exists in the closed network between the two transformers which will cause excess heating and result in a shorter life of the transformer. In addition impedance values of each transformer must be within 7.5% of each other.