DocumentCode
2914066
Title
Fault diagnosis and failure prediction of aluminum electrolytic capacitors in power electronic converters
Author
Ma, Hao ; Wang, Linguo
Author_Institution
Coll. of Electr. Eng., Zhejiang Univ., Hangzhou
fYear
2005
fDate
6-6 Nov. 2005
Abstract
This paper gives the equivalent circuit model of aluminum electrolytic capacitor, and analyzes the main degradation mechanism, based on which the life model and degradation parameter of aluminum electrolytic capacitor is discussed in detail. To realize online fault diagnosis of aluminum electrolytic capacitor in power electronic converters, a parameter identification method to identify the equivalent series resistance (ESR) based on the circuit model is presented, and the trend of ESR with time is also deduced to realize failure prediction
Keywords
aluminium; electrolytic capacitors; failure analysis; fault diagnosis; parameter estimation; power convertors; ESR; aluminum electrolytic capacitors; equivalent circuit model; equivalent series resistance; fault diagnosis; parameter identification; power electronic converters; Aluminum; Anodes; Cathodes; Degradation; Equivalent circuits; Fault diagnosis; Power capacitors; Power electronics; Predictive models; Voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
Industrial Electronics Society, 2005. IECON 2005. 31st Annual Conference of IEEE
Conference_Location
Raleigh, NC
Print_ISBN
0-7803-9252-3
Type
conf
DOI
10.1109/IECON.2005.1569014
Filename
1569014
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