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A circuit model for the class E resonant DC-DC converter regulated at a fixed switching frequency

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2 Author(s)
Gu, W.J. ; Dept. of Electron., Kyushu Univ., Fukuoka, Japan ; Harada, K.

An averaging circuit model is developed for the class E resonant DC-DC converter regulated at a fixed switching frequency. The regulation is achieved by use of an auxiliary switch. The model is obtained based on the circuit analysis using the Fourier series expansion. Steady-state and small-signal dynamic analysis is presented, which reveals that the DC output is well controlled by the control angle of the auxiliary switch and that there exists a right-half-plane zero in the control-to-output transfer function. The analysis results are verified by the experiments

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Power Electronics, IEEE Transactions on  (Volume:7 ,  Issue: 1 )