Why can't we operate a transformer with a DC supply?

AnswerBot
1y

Transformers cannot operate on DC supply due to the absence of changing magnetic field required for induction.

  • Transformers work on the principle of electromagnetic induction, which requires a changing...read more

Chaitanya Wadekar
1y

Because Transformer works on AC supply for producing Changing magnetic field ( For single phase ) & Rotating Magnetic field ( in 3 phase system).SO in DC supply transformer"S winding will heatup and b...read more

Leela kumari munimadugu
author
2y
because, the dc supply produces the uniform flux but not vary hence no emf is induced in transformer then heavy currents flows in primary winding hence winding causes damage hence transformer always o...read more
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Tech Mahindra Diploma Electrical Engineer interview questions & answers

A Diploma Electrical Engineer was asked Q. Why can't we measure a transformer's power in kW?
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Popular interview questions of Diploma Electrical Engineer

A Diploma Electrical Engineer was asked Q1. Why can't we measure a transformer's power in kW?
A Diploma Electrical Engineer was asked Q2. What is an exciter?
A Diploma Electrical Engineer was asked Q3. What is another name for an induction motor?
Tech Mahindra Diploma Electrical Engineer Interview Questions
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