Review of online condition monitoring methods for DC-link capacitor

被引：0
|
作者：
Yao F. [1 ,2 ]
Wang B. [1 ,2 ]
Tang S. [1 ,2 ]
Huang K. [1 ,2 ]
Li Z. [1 ,2 ]
机构：
[1] State Key Laboratory of Reliability and Intelligence of Electrical Equipment, School of Electrical Engineering, Hebei University of Technology, Tianjin
[2] Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability of Hebei Province, School of Electrical Engineering, Hebei University of Technology, Tianjin
来源：
Dianli Zidonghua Shebei/Electric Power Automation Equipment | 2019年 / 39卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Capacitance; Condition monitoring; DC-link capacitor; ESR; Parameter identification;
D O I：
10.16081/j.epae.201908036
中图分类号：
学科分类号：
摘要：
DC-link capacitor is one of the key components in power electronic converter, its reliability will affect the reliability of the whole system. Condition monitoring is an effective method to estimate the health condition of capacitors. The health state parameters and performance state parameters of capacitors are comprehensively analyzed. The online condition monitoring methods of capacitors are classified into four categories:method based on sensor, method based on signal injection, method based on circuit model and method based on intelligent monitoring. The principle and means of each method are introduced, and their advantages and disadvantages are compared. Secondly, statistical analysis of monitored objects and monitored parameters based on research results is carried out. Finally, the following research direction of capacitor condition monitoring is proposed. © 2019, Electric Power Automation Equipment Press. All right reserved.
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页码：188 / 197
页数：9
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