Seiichi Miyamoto
Mitsubishi
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Publication
Featured researches published by Seiichi Miyamoto.
international symposium on discharges and electrical insulation in vacuum | 2006
Satoshi Ochi; Seiichi Miyamoto; Hiromi Koga; Norio Kan; Takakazu Harada; Takefumi Ito; Kenichi Koyama; Shin Yamade
Silver tungsten-carbide (AgWC) has been used for contact materials of low surge type vacuum interrupter because of their properties such as low chopping current and low erosion. However the interrupting capability of AgWC is relatively less than CuCr. Generally, in order to increase the interrupting capability, axial magnetic field (AMF) is applied for large rated currents. On the other hand, it is known that the contact materials greatly affect the interrupting capability and chopping current. In this paper, in order to increase the interrupting capability of low surge type vacuum interrupters, the effect of the intensity of AMF and composition of AgWC under AMF on the interrupting capability were investigated. The contents of Ag and WC were varied and cobalt (Co) was added as a third element. Also the chopping currents were investigated. As a result, it was found that an increase of Co and a decrease of Ag content tended to increase the interrupting capability
Archive | 2000
Takayuki Itotani; Minoru Kobayashi; Toshimasa Maruyama; Seiichi Miyamoto; Toshifumi Sato
Archive | 2001
Takayuki Itotani; Minoru Kobayashi; Seiichi Miyamoto; 聖一 宮本; 稔 小林; 孝行 糸谷
Archive | 2000
Takayuki Itotani; Minoru Kobayashi; Toshimasa Maruyama; Seiichi Miyamoto; Toshifumi Sato
Archive | 2004
Takayuki Itotani; Minoru Kobayashi; Seiichi Miyamoto; 聖一 宮本; 稔 小林; 孝行 糸谷
Archive | 2001
Seiichi Miyamoto; Nenmasa Maruyama; Toshifumi Sato
Archive | 2000
Takayuki Itotani; Minoru Kobayashi; Toshimasa Maruyama; Seiichi Miyamoto; Toshifumi Sato
Ieej Transactions on Fundamentals and Materials | 2003
Shinji Sato; Kenichi Koyama; Takayuki Itotani; Seiichi Miyamoto
Archive | 2001
Takashi Sekiya; Youichi Hisamori; Takefumi Ito; Iwao Kawamata; Kenichi Koyama; Toshinori Kimura; Shinji Sato; Seiichi Miyamoto; Takayuki Itotani; Mitsumasa Yorita; Toshimasa Maruyama
Archive | 2000
Seiichi Miyamoto; Toshimasa Maruyama; Toshifumi Sato; Takayuki Itotani; Minoru Kobayashi
Collaboration
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