Study on Grading Circuit of Ultra-capacitor Based on Buck-Boost

JIANG Wei; WANG Fei

doi:10.14044/j.1674-1757.pcrpc.2016.03.013

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Study on Grading Circuit of Ultra-capacitor Based on Buck-Boost

更新时间：2024-09-14

- Study on Grading Circuit of Ultra-capacitor Based on Buck-Boost
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 37, Issue 3, Pages: 62-66(2016)
- 作者机构：
  
  1. 郑州财经学院
  2. 安阳工学院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2016.03.013
  CLC： TM53
- Published：2016，
- 稿件说明：
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[1]姜伟,王飞.基于Buck—Boost的超级电容均压电路研究[J].电力电容器与无功补偿,2016,37(03):62-66+77.

JIANG WEI, WANG FEI. Study on Grading Circuit of Ultra-capacitor Based on Buck-Boost. [J]. Power capacitor & reactive power compensation, 2016, 37(3): 62-66.
[1]姜伟,王飞.基于Buck—Boost的超级电容均压电路研究[J].电力电容器与无功补偿,2016,37(03):62-66+77. DOI： 10.14044/j.1674-1757.pcrpc.2016.03.013.

JIANG WEI, WANG FEI. Study on Grading Circuit of Ultra-capacitor Based on Buck-Boost. [J]. Power capacitor & reactive power compensation, 2016, 37(3): 62-66. DOI： 10.14044/j.1674-1757.pcrpc.2016.03.013.

摘要

超级电容器作为一种新兴的储能元件

已在新能源发电场合及能量反馈回收系统中得到了广泛应用。然而超级电容器串联均压问题制约了其发展应用

本文采用Buck—Boost均压电路

将均压电路中的电感作为2个电容之间能量转移的媒介

以完成2个电容组的均压。对于控制电路部分

本文采用一种变滞环宽度恒频的滞环电流控制方法。该方法在保留滞环控制响应速度快、稳定性好等一系列优点的同时

克服了其开关频率不定的缺点

并通过仿真验证了原理方案的正确性。

Abstract

Ultra-capacitor

as a new energy storage device

is used widely in the new energy generation place and energy feedback and energy recovery system. However

the development and application of the capacitor is limited by its grading problem. In this paper

Buck-Boost circuit is adopted

and the inductance in the grading circuit is used as medium of energy transfer between 2 capacitors to complete grading of the 2 capacitor bank. For the control circuit part

a kind of hysteresis current control method with hysteresis width constant frequency is adopted

which in the time of maintaining such series features of hysteresis control as fast response speed and good stability

overcomes such shortcoming as unfixed switching frequency and the correctness of theoretical scheme is verified by simulation.

关键词

超级电容Buck—Boost电路滞环控制均压

Keywords

ultra-capacitorBuck-Boost circuithysteresis controlgrading

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