Equalization of batteries in satellite

XU Tuo-qi; JIN Guang

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Equalization of batteries in satellite

Article | 更新时间：2020-08-12

- Equalization of batteries in satellite
- Optics and Precision Engineering Vol. 17, Issue 3, Pages: 596-602(2009)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
  2. 中国科学院研究生院, 北京100049
- 作者简介：
- 基金信息：
- DOI：
  CLC： V442.2;V474.1
- Received：14 June 2008，
  
  Revised：12 July 2008，
  
  Published Online：25 March 2009，
  
  Published：25 March 2009
- 稿件说明：
移动端阅览
徐拓奇, 金光. 星上电池的均衡控制[J]. 光学精密工程, 2009,17(3): 596-602

XU Tuo-qi, JIN Guang. Equalization of batteries in satellite[J]. Editorial Office of Optics and Precision Engineering, 2009,17(3): 596-602
徐拓奇, 金光. 星上电池的均衡控制[J]. 光学精密工程, 2009,17(3): 596-602 DOI：

XU Tuo-qi, JIN Guang. Equalization of batteries in satellite[J]. Editorial Office of Optics and Precision Engineering, 2009,17(3): 596-602 DOI：

摘要

同组蓄电池中单体电池品质上的不均衡是影响卫星电源系统性能的最重要因素之一。本文针对单体电池的不均衡度建立了数学模型

基于此模型研究了电池的不均衡特性。提出了一种星上电池均衡控制的方法

此方法可在充电与放电状态下

根据每节电池各自的荷电状态对整组串联电池组进行有效均衡。详细说明了基于此种方法的均衡器的硬件电路设计方案和软件设计思想

并且给出了基于51单片机的软件流程图。最后实验证明了通过此种方法可使电池在充电和放电结束后的不均衡度下降到原来的了13.42%和9.39%。实验结果表明此种星上电池均衡控制技术可有效降低同组电池的不均衡度。

Abstract

The disequality of cells in the same battery team is one of the main factors influencing on the performance of satellite power system. This paper discussed the disequalization of a battery

and established a mathematical model.Based on the model

a new method to control battery equalization was present to counterpoise the energy of in the same battery team in series both for charging state and discharging state. The design ideas and design schemes of the hardware and the software of this equilizer were introduced in detail and the software flow charts of equalizer in charging state and discharging state were given. Finally an experiment was carried out to testifly that the method can decrease the inequality of in the same battery team to 13.42 %(charging) and 9.39%(discharging) as compared with those of battery systems without equalization.

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references

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