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High Efficiency Single Output ZVS–ZCS Voltage Doubled Flyback Converter
Abstract A switch operating at high switching frequency increases the switching losses of the converter resulting in lesser efficiency. Hence this paper proposes a new topology which has resonant switches [zero voltage switching (ZVS)] in the primary circuit to eliminate the above said disadvantages, and voltage doubler zero current switching (ZCS) circuit in the secondary to double the output voltage, and hence the output power, power density and efficiency. The design aspects of the proposed topology for a single output of 5 V at 50 kHz, its simulation and hardware results are discussed in detail. The analysis of the results obtained from a 2.5 W converter reveals the superiority of the proposed converter.
High Efficiency Single Output ZVS–ZCS Voltage Doubled Flyback Converter
Abstract A switch operating at high switching frequency increases the switching losses of the converter resulting in lesser efficiency. Hence this paper proposes a new topology which has resonant switches [zero voltage switching (ZVS)] in the primary circuit to eliminate the above said disadvantages, and voltage doubler zero current switching (ZCS) circuit in the secondary to double the output voltage, and hence the output power, power density and efficiency. The design aspects of the proposed topology for a single output of 5 V at 50 kHz, its simulation and hardware results are discussed in detail. The analysis of the results obtained from a 2.5 W converter reveals the superiority of the proposed converter.
High Efficiency Single Output ZVS–ZCS Voltage Doubled Flyback Converter
Kaliyaperumal, Deepa (Autor:in) / Saju, Hridya Merin (Autor:in) / Kumar, M. Vijaya (Autor:in)
Journal of The Institution of Engineers (India): Series B ; 97 ; 139-146
23.12.2014
8 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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