Join 60,000+ competitive exam aspirants
Two single-phase transformers A and B are operating in parallel with the different pu impedance (Za ≠ Zb) and identical x/r ratios (Xa = Xb), both sharing a load of Sl. Then the load shared by transformer B is
Sb = ZbZa+Zb × SL
Sb = ZaZa+Zb × SL
Sb = Za × ZbZa+Zb × SL
Sb = ZaZa-Zb × SL