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An analysis of AC controlled push-pull magnetic amplifier with compensating voltage

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1 Author(s)
Chen-Fa Hsu ; National Taiwan University, Taipei, Taiwan, China

An equivalent circuit analysis of an ac controlled push-pull magnetic amplifier is performed, which is compensated with a transistor switching circuit [1] in order to overcome the negative feedback action by the gating induced EMF. The modes of the operation of this new push-pull magnetic amplifier circuit are made clear for cases of various degrees of compensation. The theoretical formulas on both the steady-state control characteristics and the transient time constant are derived. Moreover, the steady-state control characteristics and the transient time constant are calculated for several values of compensating voltage. The results obtained show good agreement with the experiments.

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Magnetics, IEEE Transactions on  (Volume:2 ,  Issue: 2 )