Examveda
Examveda

If the supply frequency to the transformer is increased, the iron loss will

A. not change

B. decrease

C. increase

D. any of the above

Answer: Option C

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Comments ( 3 )

  1. Nitish Kumar
    Nitish Kumar :
    2 years ago

    Decrease at supply frequency increase

  2. Devi Smiley
    Devi Smiley :
    2 years ago

    Decreases....as supply frequency increases

  3. CHANDAN KUMAR
    CHANDAN KUMAR :
    2 years ago

    iron loss=Pe+Ph
    P=Ke.(v/f)^2 .f^2 =KeV^2
    Ph=Kh.(v/f)^1.6 .f = Kh.V^1.6 /(f^(.6))
    therefor it sholud be decrease. As Ph is inversely related.

Related Questions on Transformers

A good voltage regulation of a transformer means

A. output voltage fluctuation from no load to full load is least

B. output voltage fluctuation with power factor is least

C. difference between primary and secondary voltage is least

D. difference between primary and secondary voltage is maximum