CONTROLLED CHARGING OF ULTRA CAPACITORBY PWM TECHNIQUE

M. Agrawal
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Abstract

Ultrcapacitor (UC) or Supercapacitor(SC) is gaining popularity owing to large values of capacitance, high power density, high energy density and fast charging. UC has found applications in many industries as a reliable energy storage device. This paper is aimed at presenting the charging characteristics of UC when charged using PWM technique. Other methods of charging UC, like constant voltage and constant charging method, pose certain limitations and increase the charging time. A comparison is drawn when UC is charged using constant current charging method and PWM technique. The proposed method facilitates relatively faster charging of UC in a controlled manner.
用PWM技术控制超电容充电
超级电容器(UC)或超级电容器(SC)因其大电容值、高功率密度、高能量密度和快速充电而越来越受欢迎。UC作为一种可靠的能量存储设备已经在许多行业中得到了应用。本文研究了利用PWM技术对UC进行充电时的充电特性。其他的UC充电方法,如恒压、恒充等,都有一定的局限性,并且会增加充电时间。比较了恒流充电和PWM技术对UC充电的影响。所提出的方法有助于以可控的方式相对较快地充电UC。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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