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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 122  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EMD 2024-03-01
14:20
Chiba   Observations of break arc discharge characteristics and arc behaviors of AgSnO2 contacts in DC inductive load circuits up to DC20V
Reo Oikawa, Yuya Asari, Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2023-42
The authors’ research group has continued a series of observations of break arc behaviors and arc duration measurements ... [more] EMD2023-42
pp.19-24
EMD 2024-03-01
14:40
Chiba   Effects of inductance and surrounding gas on DC break arc discharge
Shion Ozaki, Kiyoshi Yoshida (NIT) EMD2023-43
The effects of resistive load and inductance on arc discharge during DC power cut-off were investigated. A small electro... [more] EMD2023-43
pp.25-29
EMD 2024-03-01
15:00
Chiba   Effect of magnets on arc discharge at low DC voltage
Yuki Yokohari, Ryo Watanabe, Kiyoshi Yoshida, Koichiro Sawa (NIT) EMD2023-44
In this study, we conducted experiments using a device that opens electrical contacts at a constant speed. Previous stud... [more] EMD2023-44
pp.30-35
EMD 2023-12-22
13:50
Tochigi Teikyo University Application of electron/ion emission equivalent circuit as a compass in investigation for accidents caused by arc discharge
Noboru Wakatsuki (Ishinomaki Senshu Univ.), Katsuhiro Hosoe (Administrative scrivener), Shuhei Suzuki (consultant), Yu Yonezawa (Nagoya Univ.) EMD2023-34
Electrical accidents related to arc discharge are complex phenomena. In most cases, there is no map that shows a clear p... [more] EMD2023-34
pp.13-18
EMD 2023-12-22
15:40
Tochigi Teikyo University Characteristics of Break Arcs Generated between Cu, Al and Fe Electrical Contacts in a 100-280VDC/10A Resistive Circuit
Aoi Handa, Junya sekikawa (Shizuoka Univ.) EMD2023-38
Break arcs were generated using Cu, Al, and Fe as electrical contacts in the resistive load circuit with supply voltage ... [more] EMD2023-38
pp.35-40
LQE, OPE, CPM, EMD, R 2023-08-25
13:50
Miyagi Tohoku university
(Primary: On-site, Secondary: Online)
Hypothetic model of electron and ion emission due to an electric double layer at the interface between solid and liquid phases at electrical contacts
Noboru Wakatsuki (Ishinomaki Senshu Univ.), Katuhiro Hosoe (Administrative scrivener), Shuhei Suzuki, Yu Yonezawa (Nagoya Univ.) R2023-34 EMD2023-29 CPM2023-39 OPE2023-78 LQE2023-25
We want to analyze the current interruption phenomenon of electric contacts, that accompanies melting and arc discharge,... [more] R2023-34 EMD2023-29 CPM2023-39 OPE2023-78 LQE2023-25
pp.89-94
WPT, EMCJ, EMD
(Joint)
2023-07-21
15:00
Tokyo
(Primary: On-site, Secondary: Online)
Hypothetic model of solid/liquid interfacial electric double layer for electric contact
Noboru Wakatsuki (Ishinomaki Senshu Univ), Katuhiro Hosoe (Administrative scrivener), Shuhei Suzuki (Consultant), Yu Yonezawa (Nagoya Univ) EMD2023-12
This paper proposes an electric circuit model to analyze the physical phenomena at the electric contact during the break... [more] EMD2023-12
pp.13-18
EMD 2023-03-03
15:45
Saitama NIT and Online
(Primary: On-site, Secondary: Online)
Break arc characteristics of AgSnO2 contacts in an inductive load circuit up to DC20V
Shota Kosugi, Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2022-29
The authors’ research group has continued a series of observations of break arc behaviors and arc duration measurements ... [more] EMD2022-29
pp.46-51
EMD 2023-03-03
16:00
Saitama NIT and Online
(Primary: On-site, Secondary: Online)
Various Characteristics of Arc Discharge Generated in DC Toggle Switches
Masaya Harada, Hiroto Kanemoto, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2022-30
In this study, using a commercially available DC toggle switch, the same load conditions as in past experiments were use... [more] EMD2022-30
pp.52-57
EMD 2023-03-03
16:40
Saitama NIT and Online
(Primary: On-site, Secondary: Online)
Influence of load inductance and ambient gas on arc discharge generated in AC power
Tsubasa Tamura, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2022-32
The effect of load inductance on resistive load and inductive load (power factor )on arc discharge at AC power interrup... [more] EMD2022-32
pp.64-69
EMD 2023-03-03
17:25
Saitama NIT and Online
(Primary: On-site, Secondary: Online)
Effects of brush force of the commutator motor on brush wear and arc properties
Takuma Hirabayashi, Shogo Suzuki, Shoma Matsuura, Koichiro Sawa, Takahiro Ueno (NIT) EMD2022-35
In recent years, the automotive industry has seen an increase in the electrification of vehicles, and at the same time, ... [more] EMD2022-35
pp.82-87
EMD 2022-03-04
13:25
Online Online Brush Wear by Arcing Discharge in Commutator Motors and the Effect of Arc-quenching device
Musashi Uematsu, Toranosuke Oouchi, Takayuki Saito, Koichiro Sawa, Takahiro Ueno (NIT) EMD2021-16
In order to realize excellent amenity and reliability, many small-sized DC motors are used in an automobile due to good ... [more] EMD2021-16
pp.7-12
EMD 2022-03-04
15:00
Online Online Effect of inductance and magnetic blowout on DC arc discharge when contacts opened
Yuuto Waragai, Kiyoshi Yoshida, Koichiro Sawa (NIT) EMD2021-20
DC current switching has been getting important as DC grid systems and electrical vehicles have been more popular. As we... [more] EMD2021-20
pp.31-36
EMD 2021-03-08
13:25
Online Online Brush Wear and its Control by the Arc of Commutator Motor
Taiga Wada, Takayuki Saito, Koichiro Sawa, Takahiro Ueno (NIT) EMD2020-30
Many small-sized DC motors are used in an automobile due to good cost-performance and energy efficiency. They have been ... [more] EMD2020-30
pp.6-11
EMD, R 2021-02-12
13:35
Online Online Photograph observation of 12 parallel discharge arcs generated in the atmosphere by a reliable trigger gap switch
Tomokatsu Aizawa (Tokyo Metropolitan College) R2020-34 EMD2020-25
This trigger gap switch has a switching circuit that combines multiple main electrodes and induced electric field genera... [more] R2020-34 EMD2020-25
pp.1-6
EMD 2020-12-04
13:05
Online Online Observation of arc discharges occurring between commutator and brush Simulating a DC motor by means of a high-speed camera
Ryosuke Sano, Junya Sekikawa (Shizuoka Univ.) EMD2020-18
Observed results of arc discharges generated between the brush and commutator are reported during arc duration. The arcs... [more] EMD2020-18
pp.1-6
EMD 2020-03-06
13:20
Chiba CHIBA Institute of Technology Tsudanuma Campus
(Cancelled but technical report was issued)
Study on brush wear and wear of high speed rotating commutator motor
Syougo Aoki, Hayate Saito, Koichiro Sawa, Takahiro Ueno (NIT) EMD2019-60
Small DC motors with brushes are widely used especially in automobiles, and requested for smaller size and higher output... [more] EMD2019-60
pp.5-8
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
 Results 1 - 20 of 122  /  [Next]  
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