Engineering, 13.11.2019 04:31 ejdjsnsb
Problem 4: a 1 , 5kva, 240/120 v, 60 hz transformer has a core loss of 100 w at rated voltage and copper loss of 120 w at rated current. calculated the efficiency for the following load condition: (a) it is delivering 5 kva at rated voltage and a power factor of 0.8. (b) it is delivering 2 kva at rated voltage and a power factor of 0.8.
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Problem 4: a 1 , 5kva, 240/120 v, 60 hz transformer has a core loss of 100 w at rated voltage and c...
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