Q12 An 11 0 4 kV 25Hz single phase transformer has ohmic

Last updated: 6/14/2023

Q12 An 11 0 4 kV 25Hz single phase transformer has ohmic hysteresis and eddy current losses of 1 8 0 8 and 0 3 respectively What do these losses become if transformer is operated from 22kV 50Hz supply system The current is assumed to be same in both the cases Also calculate efficiency in each case