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Influence of uniformity of the axial magnetic field in a vacuum interrupter on the performance of the contacts

Kulkarni, Sandeep and Rajan, Suresh and Andrews, Lalichan and Rajhans, Rupesh and Thomas, Joy M (2008) Influence of uniformity of the axial magnetic field in a vacuum interrupter on the performance of the contacts. In: Discharges and Electrical Insulation in Vacuum, 2008. ISDEIV 2008. 23rd International Symposium on , 15-19 Sept. 2008 , Bucharest .

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A vacuum interrupter utilises magnetic field for effective arc extinction. Based on the type of field, the vacuum interrupters are classified as radial or axial magnetic type of vacuum interrupters. This paper focuses on the axial magnetic field type of vacuum interrupters. The magnitude and distribution of the axial magnetic field is a function of the design of the contact system. It also depends on the orientations of the movable and fixed contact systems with respect to each other. This paper investigates the dependence of arcing and erosion performance of the contact on the magnitude and distribution of this axially oriented magnetic field. The experimental observations are well supported by electromagnetic simulations.

Item Type: Conference Paper
Publisher: IEEE
Additional Information: Copyright 2008 IEEE. Personal use of this material is permitted.However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 17 Oct 2011 08:56
Last Modified: 17 Oct 2011 08:56
URI: http://eprints.iisc.ac.in/id/eprint/40529

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