基于FPGA控制器的双向CLLC谐振电池充电器

2021 IEEE 16th Conference on Industrial Electronics and Applications (ICIEA) Pub Date : 2021-08-01 DOI:10.1109/ICIEA51954.2021.9516157

Yu Gao, Jianglin Nie, Jiangpeng Yang, Shuai Zhang, Tianxiang Wang, Zeliang Shu

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引用次数: 1

摘要

隔离型双向谐振变换器因其工作频率高、功率密度大而广泛应用于可再生能源电池充电器中。但传统的LLC变换器在反向工作模式下存在诸多问题。本文将CLLC谐振变换器引入到电池充放电系统中。利用FHA方法分析和构建了CLLC谐振变换器的电路原理和等效模型。利用FPGA实现了CLLC电池充电器的控制策略。在理论分析的基础上，设计了谐振网络参数。最后，设计了CLLC谐振变换器的实验硬件平台，验证了整个系统的可行性。

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FPGA Controller Based Bidirectional CLLC Resonant Battery Charger

The isolated bidirectional resonant converter is widely applied for renewable energy battery charger because of its high operating frequency and power density. But traditional LLC converter has many problems in reverse working mode. This paper introduces the CLLC resonant converter into the battery charging and discharging system. The circuit principle and the equivalent model of CLLC resonant converter is analyzed and constructed by FHA method. The CLLC battery charger control strategy is realized by FPGA. Based on the theoretical analysis, the resonant network parameters are designed. Finally, the experimental hardware platform of CLLC resonant converter is designed to verify the feasibility of the overall system.

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2021 IEEE 16th Conference on Industrial Electronics and Applications (ICIEA)

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