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独立光伏系统中超级电容储能充电技术的研究 被引量:3

Study on Charging Technology of Supercapacitor Energy Storage in Stand-Alone Photovoltaic System
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摘要 介绍了独立光伏系统中超级电容器的工作原理及其优缺点,给出了三支路、传输线、串联RC和改进的串联RC四种超级电容器等效电路模型。研究了各种超级电容器充电方式,分析了超级电容器的恒压、恒流和恒功率充电方式的效率。实验研究表明三种充电方式各具优点和缺点,恒功率充电可在保证充电效率的前提下,较好地控制充电时间,较适合对超级电容器充电。 Introduction was made to the working principle of supercapacitors in stand-alone photovoltaic system, as well as their advan-tages and disadvantages. This paper gave four kinds of supercapacitors equivalent electric circuits, such as three-branch circuit, transmis-sion line, RC circuit in series and improved RC circuit in series and studied a variety of supercapacitors charging modes, analyzing the efifciency of supercapacitors constant voltage, constant current and constant power charging modes. Experimental research shows that the three kinds of charging modes have their own advantages and disadvantages. Under the precondition of ensuring the charging efifciency, the constant power charging mode can control charging time better, so it is more suitable for supercapacitors charging.
出处 《电工电气》 2014年第7期13-19,共7页 Electrotechnics Electric
关键词 超级电容器 储能元件 充电方式 supercapacitor energy storage element charging mode
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