Find the all day efficency at a power factor

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Reference no: EM13230093

A 4800/480 volt, single phase transformer is rated at 75KVA. test results performed for rated power showed the following. short circuit test V=80v, P= 2470W, I= Rated current open circuit test V= 480v, I=4Amp, P=616W Find the all day efficency at a power factor of .9 lagging if the load is as follows 8 hours full load 8 hours half load 8 hours 0 load

Reference no: EM13230093

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