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Details of Grant 

EPSRC Reference: GR/J45572/01
Title: ELECTRIC ARC PHENOMENA, CONTACT MATERIALS AND SWITH DYNAMICS
Principal Investigator: McBride, Professor J
Other Investigators:
Farrar, Professor R
Researcher Co-Investigators:
Project Partners:
Pre Nexus Migration
Department: Faculty of Engineering & the Environment
Organisation: University of Southampton
Scheme: Standard Research (Pre-FEC)
Starts: 01 May 1994 Ends: 30 April 1996 Value (£): 96,056
EPSRC Research Topic Classifications:
Power Systems Plant
EPSRC Industrial Sector Classifications:
Energy No relevance to Underpinning Sectors
Related Grants:
Panel History:  
Summary on Grant Application Form
The research proposed is an experimental and theoretical investigation of the influence of contact dynamics upon arc erosion and arc energy dissipation. The work is closely related to an existing programme. Arc erosion is usually defined in terms of contact mass change, but the existing research grant has shown that the mass change may not e such a valid indicator as the change which occur to the contact surface. For this reason a 3D surface analysis technique has been established; in this work the surface form measurement will be supplemented by the measurement of contact resistance. The contact resistance is to be measured with a standard device and also with a new constriction resistance probe designed as part of the programme.The theoretical studies again follow on from the existing programme and the purpose here will be to develop further the computer based model of the arc characteristics, to include temperature effects.In this study different contact materials will be considered to ascertain the wear mechanisms associated with the materials, this will involve detailed studies of the contact material microstructure changes with arcing.The programme also includes a further study of Hybrid switching, applying results from the existing programme to commercial switchgear.
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Organisation Website: http://www.soton.ac.uk