A HYBRID COMPENSATION TOPOLOGY WITH CONSTANT VOLTAGE AND CONSTANT CURRENT FOR EV BIDIRECTIONAL WIRELESS CHARGING

Zhou Xiaoyan; Wang Helin; Jia Haitao; Lu Qingxuan; Zhang Min; Zhang Hailong

doi:10.19912/j.0254-0096.tynxb.2023-1932

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (11) : 343-351. DOI: 10.19912/j.0254-0096.tynxb.2023-1932

A HYBRID COMPENSATION TOPOLOGY WITH CONSTANT VOLTAGE AND CONSTANT CURRENT FOR EV BIDIRECTIONAL WIRELESS CHARGING

Zhou Xiaoyan, Wang Helin, Jia Haitao, Lu Qingxuan, Zhang Min, Zhang Hailong

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Abstract

A wireless power transmission system powered by photovoltaics is proposed, which is mainly applied to the constant current （CC） and constant voltage （CV） charging topologies for electric vehicles （EVs）, and only needs to adjust the switching state of the relay to realize the CC output of inductive capacitor-inductive capacitor （LCC-LCC） and the CV output of inductive capacitor in series （LCC-S）. Compared with other topologies, no redundant components are required and the switching frequency is fixed during operation with high error tolerance. The proposed topology also enables bidirectional CC and CV charging without the need for communication between the primary and secondary sides. To verify the effectiveness of the topology, a 6 kW prototype is built in the laboratory with a maximum efficiency of 94%.

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PV power generation / EVs / constant current charging / constant voltage charging / hybrid compensation topology

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Zhou Xiaoyan, Wang Helin, Jia Haitao, Lu Qingxuan, Zhang Min, Zhang Hailong. A HYBRID COMPENSATION TOPOLOGY WITH CONSTANT VOLTAGE AND CONSTANT CURRENT FOR EV BIDIRECTIONAL WIRELESS CHARGING[J]. Acta Energiae Solaris Sinica. 2024, 45(11): 343-351 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1932

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