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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMD | 2020-03-06 16:20 |
Chiba | CHIBA Institute of Technology Tsudanuma Campus (Cancelled but technical report was issued) |
Influence on Various Characteristics with and without Magnet in DC Electromagnetic Contactor Akira Iwanami, Koichiro Sawa, Kiyoshi Yoshida (NIT)  EMD2019-70 |
An experiment was conducted on a DC electromagnetic contactor with a structure in which the arc was blown out by the mag... [more] | EMD2019-70 pp.57-60 |
| EMD | 2020-03-06 16:35 |
Chiba | CHIBA Institute of Technology Tsudanuma Campus (Cancelled but technical report was issued) |
Influence of Magnetic Flux Density and Breaking Speed on Magnetic Blowout of DC Arc Discharge Hiroki Yamauchi, Hayato Watanabe, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2019-71 |
The arc duration time ta and the arc energy Ea when a magnetic flux was applied to the electrical contact were measured.... [more] | EMD2019-71 pp.61-64 |
| EMD | 2020-03-06 16:50 |
Chiba | CHIBA Institute of Technology Tsudanuma Campus (Cancelled but technical report was issued) |
Influence of Ambient Gas on Breaking Arc Discharge of Electromagnetic contactor
-- Effect of Gas Pressure and Current -- Sota Nagase, Yoshiki Yamamoto, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2019-72 |
The electromagnetic contactor was opened and closed in air or in hydrogen. The arc duration ta, arc energy Ea, arc exti... [more] | EMD2019-72 pp.65-70 |
| EMD | 2020-01-17 14:55 |
Kanagawa | Rental hall Shonan Hiratsuka | Influence of Ambient Gas and Pressure on Break Arc Characteristics in Alternating Current Yoshiki Yamamoto, Sota Nagase, Kiyoshi Yoshida, Koichiro Sawa (NIT), Kenji Suzuki (Fuji Electric FA Components & System) EMD2019-50 |
Arc discharge at break was generated in the electromagnetic contactor in the air and hydrogen. The arc duration ta, the ... [more] | EMD2019-50 pp.11-16 |
| EMD | 2020-01-17 15:35 |
Kanagawa | Rental hall Shonan Hiratsuka | Arc movement observation of DC inductive break arcs of AgSnO2 contacts up to 20V-17A under external magnetic field application Makoto Hasegawa, Seika Tokumitsu (Chitose Inst. of Sci.&Tech.) EMD2019-51 |
AgSnO2 contacts were operated to break an inductive DC load circuit of 14V-7A, 14V-12A, 20V-7A, or 20V-17A with an appli... [more] | EMD2019-51 pp.17-21 |
| EMD | 2019-05-17 15:50 |
Miyagi | Cyberscience Center, Tohoku University | Influence of ambient gas on arc duration and energy of electromagnetic contactor in AC power supply Kiyoshi Yoshida, Koichiro Sawa (NIT), Kenji Suzuki (Fuji Electric FA Components & Systems) EMD2019-6 |
Arc discharge at break was generated in the electromagnetic contactor in the air and hydrogen. The arc duration ta, the ... [more] | EMD2019-6 pp.29-34 |
| EMD | 2019-03-01 10:35 |
Tokyo | A study in influences of external magnetic field on break arc characteristics of AgSnO2 contacts in a DC inductive load circuit up to 20V-17A up to 20V-17A Seika Tokumitsu, Makoto Hasegawa (Chitose Inst. of Science & Technology) EMD2018-59 |
For the purpose of investigating influences of application of an external magnetic field on shortenings of break arc dur... [more] | EMD2018-59 pp.1-6 |
|
| EMD | 2019-03-01 14:15 |
Tokyo | Influence of ambient gas on various characteristics of break arc for electromagnetic contactor with AC power supply Igarashi Takahiro, Kumagai Fuuma, Kiyoshi Yoshida, Koichiro Sawa (NIT) EMD2018-68 |
Arc discharge at break was generated in the electromagnetic contactor in the atmosphere and hydrogen. The arc duration t... [more] | EMD2018-68 pp.47-52 |
|
| EMD | 2019-03-01 14:45 |
Tokyo | Influence of current and magnetic flux density on magnetic blow-out on arc discharge at breaking of electrical contacts Mano Kenta, Koichiro Sawa, KIyoshi Yoshida (NIT) EMD2018-69 |
Recently, applications using DC high voltage are increasing. In the DC circuit, there is a method called "magnetic blow-... [more] | EMD2018-69 pp.53-57 |
|
| EMD | 2019-03-01 15:00 |
Tokyo | Influence on various characteristics such as arc duration during continuous make/break of electromagnetic contactor Hiroki Takeuchi, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2018-70 |
By forming the contact portion in an airtight structure, it is possible to suppress the ejection of the arc discharge to... [more] | EMD2018-70 pp.59-62 |
|
| EMD | 2019-01-18 15:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Influences of contact opening speeds and external magnetic field on shortening of break arc durations of AgSnO2 contacts in a DC inductive load circuit up to 20V-17A Seika Tokumitsu, Makoto Hasegawa (Chitose Inst. of Science & Technology) EMD2018-52 |
In a DC inductive (L=5.7mH) load circuit, a AgSnO2 contact pair with applied external magnetic field of about 120mT was ... [more] | EMD2018-52 pp.23-28 |
| CCS | 2018-11-23 10:25 |
Hyogo | Kobe Univ. | A physiologically based State Transition Model between Wake, REM-sleep and non-REM-sleep state Kazuya Hirota, Yasuhiro Tsubo (Ritsumeikan Univ.) CCS2018-40 |
A sleep-wake rhythm is a biological rhythm with a roughly 24-hour period and widely observed in animals. This rhythm con... [more] | CCS2018-40 pp.39-44 |
| EMD | 2018-11-09 14:25 |
Tokyo | The University of Electro-Communications | Characteristics of arc duration at breaking contacts for low DC current with magnetic blow-out effect Kiyoshi Yoshida, Kenta Mano, Koichiro Sawa (NIT), Kenji Suzuki (Fuji Electric FA Components & Systems) EMD2018-43 |
It is well-known that magnetic blow-out is an very useful method to extinguish quickly arc discharge at interrupting DC ... [more] | EMD2018-43 pp.13-19 |
| EMD | 2018-06-15 15:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Effect of circuit conditions on various characteristics such as molten metal bridge and arc discharge of auxiliary contact for electromagnetic contactor Kiyoshi Yoshida, Koichiro Sawa (NIT), Kenji Suzuki (Fuji Electric FA Components & Systems) EMD2018-11 |
We have carried out an open and close operation experiments to evaluate the contact reliability of the auxiliary contact... [more] | EMD2018-11 pp.19-23 |
| EMD | 2018-05-18 13:05 |
Hokkaido | Muroran Institute of Technology | A Wear Model of Commutator and Brush Taking Account of Arc Erosion for DC Moto Driving Automotive Fuel Pump Koichiro Sawa, Yoshitada Watanabe, Takahiro Ueno (NIT) EMD2018-1 |
A carbon flat commutator and carbon brush are widely used in a DC motor driving an automotive fuel pump. The authors hav... [more] | EMD2018-1 pp.1-6 |
| EMD | 2018-05-18 13:30 |
Hokkaido | Muroran Institute of Technology | Influence of Magnetic Flux Density and Breaking Velocity and Source Voltage on Magnetic Blow-out Behavior of DC High Voltage Arc Kiyoshi Yoshida, Koichiro Sawa (NIT), Kenji Suzuki (Fuji Electric FA Components & Systems) EMD2018-2 |
Recently, the applications for make and break DC power supply circuits such as solar power generation and electric vehic... [more] | EMD2018-2 pp.7-12 |
| PRMU, BioX | 2018-03-18 16:45 |
Tokyo | Evaluation of the Shot Boundary Detection Method based on Unsupervised Learning from Video Big Data Norio Katayama, Hiroshi Mo, Shin'ichi Satoh (NII) BioX2017-53 PRMU2017-189 |
Video data is a sequence of video frames and their temporal continuity is an essential property of video stream. In th... [more] |
BioX2017-53 PRMU2017-189 pp.103-108 |
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| EMD | 2018-03-02 13:05 |
Saitama | Nippon Institute of Technology | Influence of Sealed Gases and Pressure on Arc Duration of Electromagnetic Contactor Ryoya Kaneko, Hiroki Funada, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2017-57 |
A electromagnetic contactor with magnets to shut off DC circuit was set in the chamber. The enclosed gases are hydrogen,... [more] | EMD2017-57 pp.1-4 |
| EMD | 2018-03-02 13:20 |
Saitama | Nippon Institute of Technology | An experiment on reliability of Auxiliary Contacts in Electromagnetic Contactor Sora Ishiwa, Kazuki Takahashi, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2017-58 |
We have carried out an open and close operation experiments to evaluate the contact reliability of the auxiliary contact... [more] | EMD2017-58 pp.5-8 |
| EMD | 2018-03-02 13:35 |
Saitama | Nippon Institute of Technology | Influence of Magnetic Flux Density on Blow-out Behavior of DC High Voltage Arc Tsubasa Umezawa, Toshiya Morita, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2017-59 |
Solar power generation and electric vehicles (EV) that use high current with high DC voltage are increasing. The role o... [more] | EMD2017-59 pp.9-12 |
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