NDLI: An experimental technique for estimating the aluminum electrolytic capacitor equivalent circuit, at high frequencies

Content Provider	IEEE Xplore Digital Library
Author	Amaral, A.M.R. Cardoso, A.J.M.
Copyright Year	2005
Description	Author affiliation: Dept. of Inf. & Syst., Polytechnic Inst. of Coimbra (Amaral, A.M.R.)
Abstract	This paper presents an experimental technique that allows the determination of the equivalent circuit of an aluminium electrolytic capacitor. The impedance of these electrolytic capacitors changes with frequency, becoming approximately equal to a resistance near their resonance frequency. This resistance, the equivalent series resistance (ESR), becomes one of the most critical problems of static converters, which operate near the resonant frequency of the capacitor. The ESR leads to a significant increase in the alternating (AC) component of the output voltage, requiring a constant action of the control system. To validate this technique some experimental and simulated results are presented
Starting Page	86
Ending Page	91
File Size	469091
Page Count	6
File Format	PDF
ISBN	0780394844
DOI	10.1109/ICIT.2005.1600615
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-12-14
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency estimation Aluminum Capacitors Equivalent circuits Capacitance Paramagnetic resonance Voltage Electrodes Resonant frequency Electric fields
Content Type	Text
Resource Type	Article

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An experimental technique for estimating the aluminum electrolytic capacitor equivalent circuit, at high frequencies