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Why can’t transformers connected to different phases of a 3 phase system be operated in parallel?

April 26, 2017connected different operated parallel phase phases system transformers

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Why can’t transformers connected to different phases of a 3 phase system be operated in parallel?

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Parallel operation of transformers of different phases, even if they are of like voltages, is not possible due to the fact that there would be a large circulating current flowing within the parallel circuit. This is because the instantaneous phase voltages occur at different times.