Performance analysis of a single stage single phase high step-up soft switching boost converter

In this paper, a voltage multiplier cell with built-in transformer is inserted into the conventional single switch boost converter, which can extend the voltage gain by regulating not only the duty cycle, but also the turns ratio of the built-in transformer. Furthermore, the switch voltage stress ca...

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Bibliographic Details
Published in2011 Twenty-Sixth Annual IEEE Applied Power Electronics Conference and Exposition (APEC) pp. 859 - 863
Main Authors Qiang Rong, Wuhua Li, Jianjiang Shi, Jiande Wu, Yan Deng, Xiangning He
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.03.2011
Subjects
Capacitors
Clamps
Converters
Inductance
Inductors
Stress
Switches
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Summary:In this paper, a voltage multiplier cell with built-in transformer is inserted into the conventional single switch boost converter, which can extend the voltage gain by regulating not only the duty cycle, but also the turns ratio of the built-in transformer. Furthermore, the switch voltage stress can be reduced greatly by increasing the turns ratio of the built-in transformer. Therefore, the switch conduction losses can be minimized by employing low voltage rated power devices. Furthermore, Zero current switching (ZCS) turn-on for the switch and reverse-recovery problem alleviation for the diodes are achieved to reduce the switching losses. As a result, the proposed converter is suitable for high step-up and high output voltage applications. Finally, the experimental results from a 500W 36V-380V prototype are provided to validate the effectiveness of the proposed converter.
ISBN:9781424480845
1424480841
ISSN:1048-2334
2470-6647
DOI:10.1109/APEC.2011.5744695