Three single-phase 7200:480 volt, 20 kVA transformers are connected in a bank with the 7200 volt winding connected in wye and the 480 volt winding connected in a delta
1) the kVA rating of the three phase bank is ?
2) the rated line current on the low voltage side in amperes is ?
3) the rated line current on the high voltage side in amperes is?
4) the rated line voltage on the high voltage side in volts is ?