Micro-arcing and arc erosion minimisation using a 42 volt DC hybrid switching devices
Swingler, J. and McBride, J.W. (2004) Micro-arcing and arc erosion minimisation using a 42 volt DC hybrid switching devices. In, Proceedings of the 50th IEEE Holm Conference on Electrical Contacts and the 22nd International Conference on Electrical Contacts, 2004. 22nd International Conference on Electrical Contacts together with the 50th IEEE Holm Conference on Electrical Contacts USA, Institute of Electrical and Electronics Engineers, 1-7. (doi:10.1109/HOLM.2004.1353086).
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Hybrid switching devices utilise the advantages of both conventional electrical contacts and solid state electronics to minimise arcing during opening and closing operations. This can result in higher reliability and reduces the need for high cost specialist contact
materials. The hybrid switch does not eliminate arcing completely, due to the inductive nature of circuits however small the inductance may be, micro-arcing is known to occur. An experimental DC hybrid switching device is introduced which minimises arcing for 42V applications. The characteristics of micro-arcing are investigated to
determine the factors which influence the duration of micro-arcs. Surface profiling techniques are used to determine low level contact erosion. The extent of contact erosion is related to the behaviour of micro-arcs.
|Item Type:||Book Section|
|Additional Information:||IEEE ref. 1353086|
|Keywords:||hybrid switch, arc erosion, micro-arcing|
|Subjects:||T Technology > TJ Mechanical engineering and machinery
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||University Structure - Pre August 2011 > School of Engineering Sciences
|Date Deposited:||27 Mar 2006|
|Last Modified:||27 Mar 2014 18:12|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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