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A peaky voltage supply is given to the 3 phase power transformer of the connection power system. These results into ____________

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A peaky voltage supply is given to the 3 phase power transformer of the connection power system. These results into ____________

(a) reduction in iron losses

(b) reduction in copper losses

(c) increase in iron losses

(d) reduction in noise

The question was asked in an online interview.

My doubt stems from Cooling (Loss Dissipation) topic in section Rating and Loss Dissipation of Electrical Machines

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The correct choice is (a) reduction in iron losses

Easiest explanation: 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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