1) U1/n1 = U2/n2
U2 = U1 * n2/n1 = 250 * 25 = 6250 [V]
I2 = P2/U2 = 100000 / 6250 = 16 [A]
2) I^R = 4% * P2
R = 4000/16^2 = 15.625 [欧姆]
U' = IR = 4000/16 = 250 [V]
U'' = U2 - U' = 6250 - 250 = 6000 [V]
3) P3 = P2 (1 - 4%) = 96 [kW]
1) U1/n1 = U2/n2
U2 = U1 * n2/n1 = 250 * 25 = 6250 [V]
I2 = P2/U2 = 100000 / 6250 = 16 [A]
2) I^R = 4% * P2
R = 4000/16^2 = 15.625 [欧姆]
U' = IR = 4000/16 = 250 [V]
U'' = U2 - U' = 6250 - 250 = 6000 [V]
3) P3 = P2 (1 - 4%) = 96 [kW]