Lifetime estimation of high-temperature high-voltage polymer film capacitor based on capacitance loss. Issue 9 (August 2015)

• Record Type: Journal Article
• Authors: Makdessi, M.; Sari, A.; Venet, P.; Aubard, G.; Chevalier, F.; Préseau, R.; Doytchinov, T.; Duwattez, J.
• Is Part Of: Microelectronics and reliability. Volume 55:Issue 9/10(2015)
• Page Start: 2012
• Page End: 2016
• Publication Date: 2015-08
• Subjects: Metallized film capacitors -- Aging -- Failure analysis -- Aging law -- Remaining useful life; Electronic apparatus and appliances -- Reliability -- Periodicals; Miniature electronic equipment -- Periodicals; Appareils électroniques -- Fiabilité -- Périodiques; Équipement électronique miniaturisé -- Périodiques; Electronic apparatus and appliances -- Reliability; Miniature electronic equipment; Periodicals; 621.3815
• DOI: 10.1016/j.microrel.2015.06.099
• Languages: English
• ISSNs: 0026-2714

Abstract

Abstract: Under steady voltage and temperature stresses, capacitance can be considered as a reliable aging indicator since in such conditions, metallized polymer film capacitors suffer from the gradual loss of their electrode surface. Empirical laws are most often considered to predict the operating lifetime of energy storage systems under specific environmental conditions. However, expected lifetimes in this case are not able to track the capacitors degradation with time. In this paper, a special capacitance degradation model is proposed based on several experimental aging tests at different temperatures and voltage stresses. A total of 30 capacitors using a novel high-voltage high-temperature (HVHT) polymer as dielectric have been studied and compared to validate the proposed law. This novel HVHT polymer offers significant improvements upon the standard dielectric materials, providing excellent self-healing capability with an enhanced energy density. Highlights: Novel aging law for metallized film capacitors Capacitance increase and loss can be taken into account. Can be generalized for different voltage and temperature of use Tested on a new high voltage and high temperature polymer