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A statistical model of core noise in half-wave push-pull magnetic amplifiers

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1 Author(s)
T. Higuchi ; Tohoku University, Sendai, Japan.

The core noise was measured for the half-wave push-pull magnetic amplifiers using various ferromagnetic materials as functions of the number of laminations of a stacked ring core and ac supply frequency. A statistical model of the core noise is proposed. It was deduced that the mean number of magnetic elementary regions associated with the core noise is proportional to values ranging from f to f^{3/5} , where f is the ac frequency.

Published in:

IEEE Transactions on Magnetics  (Volume:6 ,  Issue: 4 )