INTERLEAVED HIGH GAIN BOOST CONVERTER BASED ON SEMI-ACTIVE VOLTAGE-DOUBLE RECTIFIER

Liang Yanke; Liu Xu; Li Shanhu; Sun Qingguo; Tang Yu

doi:10.19912/j.0254-0096.tynxb.2023-1108

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (11) : 258-266. DOI: 10.19912/j.0254-0096.tynxb.2023-1108

INTERLEAVED HIGH GAIN BOOST CONVERTER BASED ON SEMI-ACTIVE VOLTAGE-DOUBLE RECTIFIER

Liang Yanke^1,2, Liu Xu^1,2, Li Shanhu^1,2, Sun Qingguo^1,2, Tang Yu^1,2

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Abstract

This paper presents a current-fed interleaved high-gain DC-DC converter with semi-active voltage-double rectifier. Only one secondary diode bears the output voltage, the transformer ratio and the voltage stress of the secondary switches have been reduced by half. Therefore, the efficiency is improved by using a transformer with a smaller turn’s ratio and low-voltage rating devices at high frequencies and light loads. Primary PWM and secondary phase shift control was used. Furthermore, the power characteristics, soft switching constraints, and interleaved current ripple characteristics are analyzed. The performance of semi-active rectifier is compared to the traditional converters. Finally, the 50 kHz/1 kW converter was designed for experimental verification.

Key words

boost converter / high gain / voltage stress / semi-active voltage-double rectifier / turn-off loss

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Liang Yanke, Liu Xu, Li Shanhu, Sun Qingguo, Tang Yu. INTERLEAVED HIGH GAIN BOOST CONVERTER BASED ON SEMI-ACTIVE VOLTAGE-DOUBLE RECTIFIER[J]. Acta Energiae Solaris Sinica. 2024, 45(11): 258-266 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1108

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