Experimental Analysis of Arc Waveform Affected by Holder Temperature Change at Slowly Separation of Silver-Tin Dioxide Contacts

Yoshiki KAYANO, Kazuaki MIYANAGA, Hiroshi INOUE

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Summary :

Arc discharge at breaking electrical contact is considered as a main source of not only degradation of the electrical property but also an undesired electromagnetic (EM) noise. In order to clarify the effect of holder temperature on the bridge and arc-duration, opening-waveforms at slowly separating silver-tin dioxide contact with different holder temperature are measured and discussed experimentally in this paper. Firstly, as opening-waveforms, the contact voltage, the contact current and the movement of moving contact related to the gap length are measured simultaneously. Secondly, the relationship between temperature of the holder and duration of the arc was quantified experimentally. It was revealed that as the initial temperature of the holder becomes higher, arc-duration becomes slightly longer. More importantly, the holder temperature dependencies of percentage of each-phase (metallic and gaseous-phases) are different with different closed-current.

Publication
IEICE TRANSACTIONS on Electronics Vol.E96-C No.9 pp.1110-1118
Publication Date
2013/09/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E96.C.1110
Type of Manuscript
Special Section PAPER (Special Section on Recent Development of Electro-Mechanical Devices — Papers selected from International Session on Electro-Mechanical Devices 2012 (IS-EMD2012) and other recent research results —)
Category

Authors

Yoshiki KAYANO
  Akita University
Kazuaki MIYANAGA
  Akita University
Hiroshi INOUE
  Akita University,The Open University of Japan

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