
Asked in Tech Mahindra
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
2y
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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