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ElectroComponent Science and Technology
Volume 2, Issue 3, Pages 201-208
http://dx.doi.org/10.1155/APEC.2.201

On the Damage to Metallized Film Capacitors Caused by Electrical Discharges

Allen Clark Research Centre, The Plessey Company Limited, Caswell, Towcester, Northants, UK

Received 23 April 1975; Accepted 20 June 1975

Copyright © 1975 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

High voltage operation of metallized film capacitors leads to electrical spark breakdown in pockets of gas trapped within the sealed capacitor unit. A simple picture of gas discharge processes in the capacitor is used to identify the role played by electric discharges in the deterioration and ultimate failure of capacitors under accelerated life test.