Measuring the Equivalent Series Resistance of the Low Impedance Electrolytic Capacitors in Pulsed Current State

Xu Fei Wang; Kai Xie; Teng Li; Zhong Qun Li; Rong Bin Guo

doi:10.4028/www.scientific.net/AMM.333-335.122

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 333-335Measuring the Equivalent Series Resistance of the...

Measuring the Equivalent Series Resistance of the Low Impedance Electrolytic Capacitors in Pulsed Current State

Abstract:

A cost-effective method for quickly evaluating the equivalent series resistance (ESR) of electrolytic capacitors is proposed. This approach has the ability to measure the low ESR of milliohms level, meanwhile provide the pulsed testing current up to hundreds of amperes. Therefore, this method is suitable for fast inspecting the quality of bulk capacitors. The operational principle, circuit implementation and the calibration method are presented, and the performances of the prototype are tested, which validate the proposed scheme.

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Periodical:

Applied Mechanics and Materials (Volumes 333-335)

Pages:

122-125

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.333-335.122

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Online since:

July 2013

Authors:

Xu Fei Wang, Kai Xie, Teng Li, Zhong Qun Li, Rong Bin Guo

Keywords:

Electrolytic Capacitors, ESR, Switching Circuits

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References

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