Voltage Fluctuation of Arc Discharge Affected by Pressure in Relay Housing
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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 electronic devices, parameters on electromagnetic compatibility, as well as lifetime and reliability, are important properties for electrical contacts. In order to clarify the effect of pressure in relay housing on the arc-duration and the fluctuation of voltage, opening-waveforms at separating contacts in applied pressure relay housing are measured and discussed experimentally in this paper. Firstly, opening-waveforms are measured. Secondly, frequency spectrum (Spectrogram) is discussed to extract the effect of the applied pressure. The relationship between pressure in relay housing and duration and fluctuation of the arc by separating contact was quantified experimentally. It was revealed that as the initial pressure in relay housing becomes higher, arc-duration becomes shorter. In addition, voltage fluctuation at the gaseous-phase decreases due to the applied pressure. Consequently, the applied pressure can suppress the voltage fluctuation as well as arc duration. These results are basic and useful finding to know the noise generation in the contact-breaking phenomena for EMC problems.
- 2011-11-10
著者
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KAYANO Yoshiki
Department of Electrical and Electronic Engineering, Akita University
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Kayano Yoshiki
Department Of Electrical And Electronic Engineering Akita University
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Inoue Hiroshi
Akita University
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MIYANAGA Kazuaki
Akita University
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Miyanaga Kazuaki
Department Of Electrical And Electronic Engineering Akita University
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Inoue Hiroshi
Departmcnt Of Biology Faculty Of Science Kyushu University:(present)department Of Biology Kyushu Den
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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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Inoue Hiroshi
Deparment of Neurosurgery, Gunma University School of Medicine and Gamma Unit Center, Hidaka Hospital
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- FOREWORD