Title: A protection element for a capacitor with self-healing properties
Application Number: 200610154055 Application Date: 2006.09.20
Publication Number: 1971782 Publication Date: 2007.05.30
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H01G2/14;G01K5/62
Applicant(s) Name: ABB Technology AG Address:
Inventor(s) Name: Spronck Luc;Delince Francois
Attorney & Agent: fanli
Abstract:
    A protection element for a capacitor with self-healing properties, said protection element having a membrane and being provided for activating, upon a pressure exerted on said membrane, by a gas produced upon a self-healing operation occurred within said capacitor, a current interruption element to be connected in series with an electrode of said capacitor, said current interruption element being provided for interrupting an electrical current flowing towards said electrode when said pressure is exerted on said membrane, said current interruption element being operationally engaged with a temperature sensitive member provided to react when sensing a temperature above a predetermined value, in such a manner as to operate said current interruption element.
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