@inproceedings{f6f868f9b428424f8f0e993ec4550e88,
title = "A humidity-dependent lifetime derating factor for DC film capacitors",
abstract = "Film capacitors are widely assumed to have superior reliability performance than Aluminum electrolytic capacitors in DC-link design of power electronic converters. However, the assumption needs to be critically judged especially for applications under high humidity environments. This paper proposes a humidity-dependent lifetime derating factor for a type of plastic-boxed metallized DC film capacitors. It overcomes the limitation that the humidity impact is not considered in the state-of-the-art DC film capacitor lifetime models. The lifetime derating factor is obtained based on a total of 8,700 hours accelerated testing of film capacitors under different humidity conditions, enabling a more justified lifetime prediction of film capacitors for DC-link applications under specific climatic environments. The analysis of the testing results and the detailed discussion on the derating factor with different lifetime definitions and confidence levels are presented.",
author = "Huai Wang and {Diaz Reigosa}, Paula and Frede Blaabjerg",
note = "Publisher Copyright: {\textcopyright} 2015 IEEE.; 7th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2015 ; Conference date: 20-09-2015 Through 24-09-2015",
year = "2015",
month = oct,
day = "27",
doi = "10.1109/ECCE.2015.7310088",
language = "British English",
series = "2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
pages = "3064--3068",
booktitle = "2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015",
address = "United States",
}