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基于Peukert方程的铅酸蓄电池
容量计算方法研究
周智勇,葬文超
(海军潜艇学院培训系机电研究所,山东青岛266042)
摘要:根据船用铝酸蓄电池的特点,通过试验,以Peukert公式为基础,利用参数优化设计方法,定量计算了电流放电因子n的取值方法。分析了Peukert公式对于新型船用铅酸蓄电池容量计算的不足,设计了修正公式,解决了容量参数K在不同放电电流下变化的问题。实验结果表明,该公式筒单实用,精度较高。
关键词:铅酸蓄电池;Peukert公式;容量计算
中图分类号:TM912.9
文献标识码:A
文章编号:1006-0847(2013)02-55-03
Studyoncalculationmethodsaboutthecapacityofmarine
lead-acidbatterybased onthePeukertequation
ZHOU Zhi-yong,GONG Wen-chao
(Theelectrical instituteoftrainingdepartment,naval submarineacademy,
QingdaoShandong266042,China
Abstract: According to the characteristics of marine lead-acid battery, quantitative calculation of the value of the current discharge factor n was made through laboratory experiments, which was based on Peukert formula and made use of the method of parameter optimization design. On the basis, the inadequacy of the Peukert formula for the new marine lead-acid battery capacity calculation was analyzed and the correction formula was designed, which solved the problem that capacity parameter K would change under different discharge current. The experimental results showed that the formula was not only simple and practical but also of high precision.
Key words: lead-acid battery; Peukert formula; capacity calculation
0前言
铅酸电池的充放电伴随着复杂的化学变化和物理变化过程,使得影响蓄电池剩余容量和荷电状
收稿日期:2012-10-10 万方数据
态(SOC)的因素众多。蓄电池端电压、电解液密度和温度、搅拌系统、使用周期数、蓄电池内阻、健康状况等都对剩余容量产生影响,并且都是非线性关系,因此,其数学模型的建立难度较大。
蓄电池放电容量与放电电流之间的关系,许多人提出过经验方程,其中Peukert在1898年提出的方程K=t厂被广泛承认并实际应用。式中n 和K是两个不同的常数,以小时为单位,「以安
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