Question

in a 25 KVA 2200 single phase transformer the iron and full load copper loss 350 whole VAT and 400 respectively calculate the efficiency at Unity power factor on full load and offload ​

Answer 1

Answer:

Three Phase Transformer

KVA 208V 240V

15 41.7 36.1

20 56.6 48.2

25 69.5 60.2

30 84. 4 72.3