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A multi-objective-based parametric design method for WPT systems with double-sided LCC compensation network

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Abstract

As an efficient wireless power transmission system for energy storage devices, load-independent output characteristics, zero phase angle and soft switching are required simultaneously. Consequently, a multi-objective parametric design method is proposed based on the output characteristics of the double-sided inductor-capacitor-inductor (LCC) compensation network in this paper. With the proposed method, two output modes of constant current and constant voltage can be implemented at the different resonant frequencies, which reduces the complexity of system control. In addition, the condition of zero phase angle in both modes is proposed. Another contribution of the proposed method is that soft switching in constant current mode and constant voltage mode can be achieved only by designing the compensation capacitor parameters, without any additional control strategy. Finally, in order to verify the correctness and feasibility of the proposed method, a 100 W double-sided LCC compensation network experimental platform is established. The experimental results show that the load-independent output characteristics and near unit power factor operation are achieved during the entire charging process.

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Correspondence to Xuze Zhang.

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Li, J., Zhang, X. & Tong, X. A multi-objective-based parametric design method for WPT systems with double-sided LCC compensation network. Electr Eng 104, 2197–2204 (2022). https://doi.org/10.1007/s00202-021-01479-z

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  • DOI: https://doi.org/10.1007/s00202-021-01479-z

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