Probabilistic model based analysis of electrolytic capacitor ageing and failures in a single-phase power factor correction circuit

Konferenz: CIPS 2014 - 8th International Conference on Integrated Power Electronics Systems
25.02.2014 - 27.02.2014 in Nuremberg, Germany

Tagungsband: CIPS 2014

Seiten: 6Sprache: EnglischTyp: PDF

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Autoren:
Seliger, Norbert (University of Applied Sciences Rosenheim, Hochschulstr. 1, 83024 Rosenheim)

Inhalt:
Wear-out failures of electrolytic capacitors in single phase power factor correction circuits are investigated in this study. A probabilistic model based approach for temperature driven capacitor degradation is chosen to analyse the probability of failure of the output capacitor bank. Different design strategies are proposed and evaluated in terms of reliability. Parametric variation of capacitor bank designs provides influential effects on system volume, cost and reliability which is modeled for a sample size of 1000 power supply units.