频域
电阻抗
电池(电)
谐波
输出阻抗
时域
锂(药物)
材料科学
控制理论(社会学)
电子工程
电气工程
声学
工程类
功率(物理)
计算机科学
物理
热力学
医学
计算机视觉
内分泌学
人工智能
控制(管理)
作者
Junyong Lu,Yingquan Liu,Xinlin Long,Kangwei Yan,Lang Liu,Ren Zhou,Yiting Wu
出处
期刊:IEEE Transactions on Industry Applications
[Institute of Electrical and Electronics Engineers]
日期:2021-03-01
卷期号:57 (2): 1801-1809
被引量:4
标识
DOI:10.1109/tia.2020.3043220
摘要
In order to study the unique dynamic behavior of the lithium-ion battery system in the periodic high-rate pulse discharge, a frequency-domain impedance model and a dynamic extraction method of impedance parameters are proposed. Moreover, a 24-kWh lithium battery system is built to carry out the pulse-discharged cycle experiment. The harmonic characteristics in high and low frequency pulse discharge are studied by harmonic analysis method. Besides, the impedance characteristics of the 24-kWh lithium battery system under different state-of-charge and different cycles are analyzed quantitatively. The results show some new characteristics and verify that the proposed frequency-domain impedance model and impedance extraction method are well qualified to analyze the frequency-domain characteristics and dynamic behavior of the periodic pulse-discharged lithium battery system.
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