Energy indicators of the parallel pulse quasi-resonant converter with extended control range
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Abstract
This article describes the issues of energy indicators improvement for the boost quasi-resonant pulse converter with a parallel resonant circuit that switches at zero current (QRPC-ZCS) and the extension of its output voltage control range. It is proposed to extend the output voltage control range of the converter by suppressing the parasitic oscillation using connection of additional diode. Moreover, the article provides a comparative assessment of the energy losses in transistor switches of the parallel QRPC-ZCS and pulse converter (PC) with pulse-width modulation (PWM) in a wide range of operating frequencies.
Reference 12, Figures 6.
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