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An Improved IPOS LLC Resonant Converter With Sub-Module Output Voltage Sharing in Low Ripple High-Voltage Applications

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成果类型:
期刊论文
作者:
Liu, Zhijian;Chen, Wenguang;Peng, Li;Zheng, Liang;Wen, Shuang
通讯作者:
Chen, WG
作者机构:
[Peng, Li; Chen, Wenguang; Wen, Shuang; Liu, Zhijian; Zheng, Liang] Univ South China, Sch Elect Engn, Hengyang 421001, Peoples R China.
通讯机构:
[Chen, WG ] U
Univ South China, Sch Elect Engn, Hengyang 421001, Peoples R China.
语种:
英文
关键词:
Resonant converters;High-voltage techniques;Rectifiers;Power transformer insulation;Impedance;Capacitors;Windings;High-voltage;voltage sharing;magnetic integration;resonant converter
期刊:
IEEE ACCESS
ISSN:
2169-3536
年:
2023
卷:
11
页码:
115316-115329
基金类别:
10.13039/501100012166-National Key Research and Development Program of China (Grant Number: 2018YFE0303103)
机构署名:
本校为第一且通讯机构
院系归属:
电气工程学院
摘要:
This paper proposed an input-parallel and output-series (IPOS) LLC resonant converter for applications with high voltage gain and low ripple, which considers the sharing of submodule output voltages. The resonant converter proposed has an integrated magnetics, which improves the utilization of the core. The reason is because magnetic fluxes can be superimposed or cancelled each other when the resonant currents are interleaved. Moreover, the influence of parameter mismatch in the resonant tank on voltage and current sharing in IPOS-LLC was analyzed based on the passive impedance theory. The res...

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