具备高增益的非隔离三端口变换器

doi:10.19595/j.cnki.1000-6753.tces.180128

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摘要提出了一种具备高增益的非隔离三端口变换器,变换器三个端口分别连接光伏电池、蓄电池和负载。变换器任意两个端口间可以实现电压的调节和功率的流动,通过蓄电池的充电和放电,能够补偿光伏电池与负载之间的功率不平衡,实现对负载连续稳定的供电。此外,通过引入开关电容电路,变换器具备高压输出能力。最后,论文给出了变换器的工作原理和稳态分析,并在此基础上进行了实验验证,结果证明了理论分析的正确性以及变换器的可行性。

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	刘俊峰
	胡仁俊
	曾君

关键词 ：可再生能源系统, 三端口变换器, 开关电容, 高增益

Abstract：In this paper, a non-isolated three-port converter with high-voltage gain is proposed. The converter can connect photovoltaic panel, battery and load simultaneously, and the voltage regulation and power flowing between any two ports can be achieved. The power imbalance between the photovoltaic panel and battery is eliminated by controlling the charging-discharging of the battery, and a continuous and stable power supply is realizable. A high voltage gain is achieved by bringing in the switch-capacitor circuit. Finally,theoperating principle and steady-state analysisare presented in the paper. The experimental results verify the correctness of the analysis and feasibility of the converter.

Key words： Renewable energy system three-port converter switch-capacitor high-voltage gain

收稿日期: 2018-01-23 出版日期: 2019-01-31

PACS:

TM131

基金资助:国家自然科学基金（61573155）、广东省自然科学基金（2016A030313508）和广东省科技计划项目（2016A010102007）资助

通讯作者: 曾君,女, 1979年生, 教授, 博士生导师, 研究方向为电力电子变换器、新能源与分布式发电技术、能量管理和智能控制。E-mail：junzeng@scut.edu.cn

作者简介: 刘俊峰男, 1978年生, 副教授, 硕士生导师, 研究方向为电力电子变换器、非线性控制、高频交流配电系统和电机驱动。E-mail：aujfliu@scut.edu.cn

引用本文:

刘俊峰, 胡仁俊, 曾君. 具备高增益的非隔离三端口变换器[J]. 电工技术学报, 2019, 34(3): 529-538. Liu Junfeng, Hu Renjun, Zeng Jun. A Non-Isolated Three-Port Converter with High-Voltage Gain. Transactions of China Electrotechnical Society, 2019, 34(3): 529-538.

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https://dgjsxb.ces-transaction.com/CN/10.19595/j.cnki.1000-6753.tces.180128 https://dgjsxb.ces-transaction.com/CN/Y2019/V34/I3/529

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