For your task will be the next calculation:
for star connection:
line current Il=Ip=Vp/Zp=Vl/(1.73Zp)=440/(1.73x2)=127 A,
total power S=1.73xIlxVl=1.73x127x440= 97 kW
for delta connection:
line current Il=1.73Ip=1.73Vp/Zp=1.73Ul/Zp=1.73x440/2=380 A,
total power S = 1.73xIlxVl = 1.73x380x440 =...