Lifetime estimation of high-temperature high-voltage polymer film capacitor based on capacitance loss

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...

Full description

Saved in:
Bibliographic Details
Published in:Microelectronics and reliability 2015-08, Vol.55 (9-10), p.2012-2016
Main Authors: Makdessi, M., Sari, A., Venet, P., Aubard, G., Chevalier, F., Préseau, R., Doytchinov, T., Duwattez, J.
Format: Article
Language:English
Subjects:
Aging
Aging law
Electric power
Engineering Sciences
Failure analysis
Metallized film capacitors
Remaining useful life
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary: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. •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
ISSN:0026-2714
1872-941X
DOI:10.1016/j.microrel.2015.06.099