A 100 kVA, 6600/330 𝑉 , 50 Hz , single-phase transformer took 10 𝐴 and 436 𝑊 at 100 𝑉 in a short-circuit test, referring to the high voltage side. The voltage to be applied to the high voltage side on full-load at 0.8 𝑝.𝑓. lagging when the secondary load voltage is 330 𝑉 will be:
A. 6914 𝑉
B. 6734 𝑉
C. 6452 𝑉
D. 6172 𝑉
Answer:B
A 100 kVA, 6600/330 𝑉 , 50 Hz , single-phase transformer took 10 𝐴 and 436 𝑊 at 100 𝑉 in a short-circuit test, referring to the high voltage side. The voltage to be applied to the high voltage side on full-load at 0.8 𝑝.𝑓. lagging when the secondary load voltage is 330 𝑉 will be:
A. 6914 𝑉 B. 6734 𝑉 C. 6452 𝑉 D. 6172 𝑉