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how to caculate no load loss, load losses & impedance
percentage in power or distribution transformers
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Answer Posted / k.prakashchandra
Short the LV side ,increase voltage on HV ,till you get the rared current. The percentage of this voltage against rated voltage is % impedance . if you connect a watt meter you get copper losses . With open circuit apply rated voltage ,to measure the iron losses with a watt meter .
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