航天器工程2024，Vol.33Issue(4)：50-55,6.DOI:10.3969/j.issn.1673-8748.2024.04.007
一种SAR卫星用锂电池智能充电方法
Intelligent Charging Method of Lithium Battery for Used in SAR Satellite
徐军 1杨帆 1肖连辉 2陈乃铭 1李淼1
作者信息
- 1. 上海空间电源研究所,上海 200245
- 2. 航天东方红卫星有限公司,北京 100094
- 折叠
摘要
Abstract
In response to the long life and large pulse power supply requirements of the SAR satel-lite lithium battery,a charging algorithm on sequential switching shunt regulator(S4R)charging system for the SAR satellite is designed in this paper.By utilizing the electricity consumption of the payload unit during the current cycle of illumination,the charging rate of the lithium battery is adjusted in real time to complete the lithium battery intelligent charging within a limited time.It breaks through the traditional constant current-constant voltage charging method and reduces the polarization effect and the probability of lithium dendrite formation during the charging process,extending the in orbit life of lithium battery.The analysis of the telemetry data down-loaded from the SAR satellite shows that the charging algorithm has realized the intelligent char-ging of lithium battery and can provide a reference for charging and discharging system of lithium battery for subsequent satellites with long life requirements and large pulse loads in the future.关键词
锂电池/充电算法/极化效应Key words
lithium battery/charging algorithm/polarization effect分类
信息技术与安全科学引用本文复制引用
徐军,杨帆,肖连辉,陈乃铭,李淼..一种SAR卫星用锂电池智能充电方法[J].航天器工程,2024,33(4):50-55,6.
