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电机学电机学电机学 (13).ppt

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    • Electrical MachineryLoss and efficiency of a transformer2.Loss and efficiency of a transformerLoss of a transformer2.Loss and efficiency of a transformerEfficiency of a transformerThe size of transformer efficiency is related to the magnitude and nature of load,no-load loss and short-circuit loss;for a finished transformer,efficiency is related to magnitude and nature of load.2.Loss and efficiency of a transformerBiggest efficiency of a transformerThe efficiency is biggest when copper loss is equal to iron loss.max0mTHANKS FOR WATCHING!。

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