Why high frequency transformer is small in size?

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All Questions › Category: Electrical Machines › Why high frequency transformer is small in size?

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chetan shidling asked 5 years ago

I need short information.

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chetan shidling answered 5 years ago

The size of the high-frequency transformer is small because it operates at high frequency, let me explain.

E = 4.44fNQm

B = Qm / A A means area

E = 4.44fNBA

Therefore, f = 1 / A

The frequency is inversely proportional to the area. If the frequency increases the area will reduce.