A peaky voltage supply is given to the 3 phase power transformer of the connection power system. These results in _________(a) reduction in iron losses(b) reduction in copper losses(c) increase in iron losses(d) reduction in noiseThe question was posed to me at a job interview.My doubt is from Losses and Efficiency in chapter Rating and Loss Dissipation of Electrical Machines

A peaky voltage supply is given to the 3 phase power transformer of th

1.	A peaky voltage supply is given to the 3 phase power transformer of the connection power system. These results in _________(a) reduction in iron losses(b) reduction in copper losses(c) increase in iron losses(d) reduction in noiseThe question was posed to me at a job interview.My doubt is from Losses and Efficiency in chapter Rating and Loss Dissipation of Electrical Machines
Answer» CORRECT choice is (a) reduction in iron losses To elaborate: The flux WAVE will be sinusoidal in nature as the EMF is peaky in nature. Sine wave has LEAST losses when COMPARED to other wave forms.

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