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All Technical Committee Conferences  (All Years)

Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 59件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EMD 2020-03-06
16:05
Chiba CHIBA Institute of Technology Tsudanuma Campus Production of Automatic Contact Resistance Measurement System for Electrical Contacts
Tatsuya Onodera, Sho Kashiwabara, Koichiro Sawa, Kiyoshi Yoshida (NIT)
 [more]
EMD 2020-03-06
16:20
Chiba CHIBA Institute of Technology Tsudanuma Campus Influence on Various Characteristics with and without Magnet in DC Electromagnetic Contactor
Akira Iwanami, Koichiro Sawa, Kiyoshi Yoshida (NIT)
 [more]
EMD 2020-03-06
16:35
Chiba CHIBA Institute of Technology Tsudanuma Campus Influence of Magnetic Flux Density and Breaking Speed on Magnetic Blowout of DC Arc Discharge
Hiroki Yamauchi, Hayato Watanabe, Koichiro Sawa, Kiyoshi Yoshida (NIT)
 [more]
EMD 2020-03-06
16:50
Chiba CHIBA Institute of Technology Tsudanuma Campus 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)
 [more]
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 2019-12-13
15:00
Tokyo   Influence of load current and breaking velocity on arc discharge at breaking of electrical contacts
Koichiro Sawa, Kiyoshi Yoshida (NIT), Kenji Suzuki (Fuji Electric) EMD2019-44
 [more] EMD2019-44
pp.7-12
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
14:00
Tokyo   Contact reliability of electrical contacts by continuous make/break test of electromagnetic contactor
Ikarashi Masanari, Ogaki Asuka, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2018-67
In this research, we conducted 5 million times of opening and closing experiments with contacts under minute load condit... [more] EMD2018-67
pp.41-46
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, R 2019-02-15
13:05
Osaka   A Summary of 29th International Conference on Electrical Contacts and 64th IEEE Holm Conference on Electrical Contacts
Koichiro Sawa, Kiyoshi Yoshida, Takahiro Ueno (NIT), Kenji Suzuki (Fuji Electric) R2018-52 EMD2018-53
 [more] R2018-52 EMD2018-53
pp.1-6
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
13:30
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
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
EMD 2018-03-02
13:50
Saitama Nippon Institute of Technology Automatic Measurements and Battery Switching of Solar Generation System
Shunya Okado, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2017-60
In the previous report, automatic charge and discharge measurement of lithium ion battery using photovoltaic power gener... [more] EMD2017-60
pp.13-16
EMD 2017-11-17
11:10
Tokyo The University of Electro-Communications Effect of arc discharge types on various characteristics and mass change in electrodes for electromagnetic contractor
Kiyoshi Yoshida, Koichiro Sawa (Nippon Inst. of Tech.), Kenji Suzuki, Koetsu Takaya (Fuji Electric FA) EMD2017-45
Experiments were carried out at several voltages to clarify the influence of the voltage on various characteristics, i.e... [more] EMD2017-45
pp.13-19
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