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This paper presents an analytical solution for predicting switching performances of a forward power converter with insulation transformer. We will calculate the circuit wave-forms and especially those which concern the transistor, in relation to the parameters of the adopted converter.
The concept of resonant switch has been extended to generate a family of new quasi-resonant converter topologies. The converter circuits feature zero-current switching and are particularly suited for high-frequency (MHz) power-conversion applications.
The basic circuit of a push-pull parallel resonant converter with an input inductor is analyzed for the continuous conduction mode and the discontinuous conduction mode concerning the output-inductor current. It is found that the output voltage of this resonant converter is controlled by varying the switching frequency in the discontinuous conduction mode, while another power controller is required...
The open-loop-gain of PWM voltage regulators at f = 0 can be expressed by simple formulae that are derived in this paper by means of charge and energy balances and the Campbell theorem. The three basic circuit topologies (Buck, Boost, Buck-Boost) are analysed both in the conventional duty-cycle control mode and in the current control mode. As each circuit can work either in the continuous or in the...
A new method of power pulse modulation with internal frequencies of tens of kHz which is also suitable for multikilowatt power levels is applied to a series-resonant converter system for generating synthesized multiphase bipolar waveforms with reversible power flow. The power circuitry of the converter is provided with one single high-frequency resonant link in the direct energy path. Natural current...
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