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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMD | 2019-01-18 14:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | kV-kA class Hybrid DC Circuit Breaker using SiC-MOSFET Shoya Kubo, Shunsuke Sato, Shungo Zen, Koichi Yasuoka (Tokyo Tech)  EMD2018-50 |
A hybrid circuit breaker consisted of power semiconductor devices and varistor connected in parallel with an electrical ... [more] | EMD2018-50 pp.11-16 |
| 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 | 2018-11-09 15:30 |
Tokyo | The University of Electro-Communications | Equivalent Combinations of Discharge Capacitor Bank and Multi-Turn Coil in Magnetic Pulse Welding of Al/Cu Sheets Tomokatsu Aizawa (Tokyo Metropolitan College) EMD2018-45 |
Magnetic pulse welding of overlapped Al/Cu sheets is performed by flowing a discharge current from a capacitor bank to a... [more] | EMD2018-45 pp.27-32 |
| EMD | 2018-10-05 14:30 |
Tokyo | Fuji Electric (TOKYO: Osaki East Tower 23F) | Comparison of magnetic pulse welding method of Al/Cu sheets using 4, 8 and 16-turn flat coils Tomokatsu Aizawa (Tokyo Metropolitan College) EMD2018-38 |
Magnetic pulse welding of sheets is performed by flowing a large discharge current rapidly from a capacitor bank to a fl... [more] | EMD2018-38 pp.7-12 |
| EMCJ | 2018-07-27 13:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Measurement of discharge current using shielded-loop probe caused by ESD in spherical electrodes. Masato Oikawa, Kento Kato, Shinobu Ishigami, Ken Kawamata, Shigeki Minegishi (Tohoku Gakuin Univ.), Osamu Fujiwara (Nagoya Inst. of Tech.) EMCJ2018-28 |
The relationship between the electromagnetic radiation intensity accompanying the spherical electrode ESD and the peak d... [more] | EMCJ2018-28 pp.37-42 |
| EMD | 2018-06-15 14:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Magnetic pulse welding of Al/Cu sheets using 8-turn flat coil Tomokatsu Aizawa (Tokyo Metropolitan College) EMD2018-9 |
Magnetic pulse welding (or electromagnetic pulse welding) of sheets is done by flowing a large discharge current rapidly... [more] | EMD2018-9 pp.7-12 |
| 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 13:35 |
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 | 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 |
| EMD | 2017-11-17 11:35 |
Tokyo | The University of Electro-Communications | Electromagnetic Energy Transmission in Magnetic Pulse Welding of Al/Cu Sheets using 1, 3, 4 and 6 Turn Flat Coils Tomakatsu Aizawa (Tokyo Metropolitan College) EMD2017-46 |
A high pulse current from a capacitor bank is discharged through an insulated flat coil for magnetic pulse welding of sh... [more] | EMD2017-46 pp.21-26 |
| EMCJ, EMD | 2017-07-21 13:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Circuit simulation of a Hybrid DC Circuit Breaker consisted of electric contacts and Semiconductor switch Kyotaro Nakayama, Shungo Zen, Koichi Yasuoka (Tokyo Inst. of Tech.) EMCJ2017-25 EMD2017-13 |
Recently, a hybrid DC circuit breaker consisted of metal contacts, semiconductor devices and a varistor is intensely stu... [more] | EMCJ2017-25 EMD2017-13 pp.1-6 |
| EMD | 2017-05-19 14:30 |
Hokkaido | Chitose Arcadia Plaza | Various characteristics of the electromagnetic contactor when continuously make and break at below minimum arc voltage Kiyoshi Yoshida, Koichiro Sawa (NIT), Kenji Suzuki, Koetsu Takaya (Fuji Electric FA) EMD2017-2 |
The electromagnetic contactor with two pairs of Ag and Ni alloy contacts was used in this experiment,. The source volta... [more] | EMD2017-2 pp.7-11 |
| EMD | 2017-03-03 13:05 |
Chiba | Influence of Break Arc on Electrode Mass Change of Electromagnetic Contactor
-- When Sourse Voltage is Less than Minimum Arc Voltage -- Syuwa Tanaka, Yuto Yamanaka, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2016-99 |
In this experiment, the electromagnetic contactor with two pairs of Ag and Ni alloy contacts was used. The source volta... [more] | EMD2016-99 pp.1-4 |
|
| EMD | 2017-03-03 13:20 |
Chiba | Influence of Contact Materials and Opening velocity in DC High Voltage Arc Keisuke Kojima, Hidekazu Hirasawa, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2016-100 |
Recently, applications using DC high voltage and large current such as photovoltaic power generation and electric vehicl... [more] | EMD2016-100 pp.5-8 |
|
| EMD, R | 2017-02-17 16:20 |
Shiga | Omuron Kusatsu Factory | DC300 V-150 A arcless current interruption by using arcless hybrid DC circuit breaker Tatsuya Hayakawa, Kyotaro Nakayama, Shungo Zen, Koichi Yasuoka (Titech) R2016-69 EMD2016-96 |
(To be available after the conference date) [more] | R2016-69 EMD2016-96 pp.53-58 |
| EMD | 2016-12-16 14:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Electromagnetic Energy Transmission to 6-Turn Flat Coil for Magnetic Pulse Welding and Deformation of Its Coil Tomokatsu Aizawa (Tokyo Metropolitan College) EMD2016-65 |
A high pulse current is discharged through a 6-turn flat coil which is used for magnetic pulse welding of sheet metals. ... [more] | EMD2016-65 pp.1-6 |
| EMD | 2016-12-16 14:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Arcless Hybrid DC Circuit Breaker Using Tungsten and Carbon Contacts Tatsuya Hayakawa, Kyotaro Nakayama, Koichi Yasuoka (Titech) EMD2016-66 |
A hybrid circuit breaker consists of power semiconductor devices and a varistor connected in parallel with an electrical... [more] | EMD2016-66 pp.7-12 |
| EMD | 2016-11-04 12:15 |
Hyogo | Awaji Yumebutai International Conference Center | Analysis of Rotational Motion of Break Arcs Rotated by Radial Magnetic Field in 48VDC Resistive Circuit Jun Matsuoka, Junya Sekikawa (Shizuoka Univ.) EMD2016-64 |
Break arcs are rotated with the radial magnetic field formed by a magnet embedded in a fixed contact. The break arcs are... [more] | EMD2016-64 pp.81-86 |
| EMCJ, EMD | 2016-07-15 16:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Magnetic Pulse Seam Welding of Al/Cu Sheets using 6 -Turn Flat Coil Tomokatsu Aizawa (Tokyo Metropolitan College) EMCJ2016-49 EMD2016-22 |
The effective welding of Aluminum (Al)/Copper (Cu) is one of the technical problems to be related to Li-ion batteries in... [more] | EMCJ2016-49 EMD2016-22 pp.31-36 |
| EMD | 2016-05-20 14:50 |
Hokkaido | Chitose Arcadia Plaza | Influence of electrical contact material on breaking characteristics of arc discharge at DC high voltage
-- Experimental results from DC200 to 500V of various materials -- Kiyoshi Yoshida, Koichiro Sawa, Hikaru Kanou, Hiroto Yamagishi (NIT), Kenji Suzuki, Koetsu Takaya (Fuji FA Comp.& Sys.) EMD2016-4 |
The experimental apparatus that is able to set opening velocity at wide-range of 1-200mm/s with an equal speed was used ... [more] | EMD2016-4 pp.19-24 |
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