Current Fluctuation Measurement for Breaking Contact at Transient Period from Bridge to Arc
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概要
- 論文の詳細を見る
Since electromagnetic (EM) noise resulting from an arc discharge disturbs other electric devices, parameters on electromagnetic compatibility, as well as lifetime and reliability, are important properties for electrical contacts. To clarify the characteristics and the mechanism of the generation of the EM noise, the current fluctuation as current noise frequency generated by slowly breaking contacts was investigated experimentally using Ag material. To reveal the characteristics as pure clean surface contact operation, the arc only at the operation of the first contact break was measured. From the time-frequency domain characteristics of current noise, it was clarified that the peaks of current noise due to voltage fluctuation at 30MHz and 70MHz band arise at the arc discharge. It is demonstrated experimentally that peak frequency of current noise is independent of supply voltage. As the supply voltage increases, peak value of current noise increases.
- 社団法人電子情報通信学会の論文
- 2009-11-12
著者
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KAYANO Yoshiki
Department of Electrical and Electronic Engineering, Akita University
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Kayano Yoshiki
Akita Univ. Jpn
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Kayano Yoshiki
Faculty Of Engineering And Resource Science Akita University
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Inoue Hiroshi
Akita University
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INOUE Hiroshi
Faculty of Engineering, Himeji Institute of Technology
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MIYANAGA Kazuaki
Akita University
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HANAWA Shingo
Faculty of Engineering and Resource Science, Akita University
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MIYANAGA Kazuaki
Faculty of Engineering and Resource Science, Akita University
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Hanawa Shingo
Faculty Of Engineering And Resource Science Akita University
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Miyanaga Kazuaki
Department Of Electrical And Electronic Engineering Akita University
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Inoue Hiroshi
Department Of Electrical And Electronic Engineering Akita University
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Inoue Hiroshi
Faculty Of Engineering And Resource Science Akita University
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Inoue Hiroshi
Faculty Of Eng. Osaka Univ.
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MIYANAGA Kazuaki
Department of Electrical and Electronic Engineering, Graduate School of Engineering and Resource Science, Akita University
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- FOREWORD