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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 229  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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 2024-03-01
15:20
Chiba   Effect of lubricating oil on sliding contact energization of gold-plated slip rings Ⅱ
Junya Tasaki, Hiroki Iwazaki, Sawa Kohichiro, Ueno Takahiro (NIT) EMD2023-45
 [more] EMD2023-45
pp.36-41
EMD 2024-03-01
15:55
Chiba   Study on wear of carbon brush at high current density
Yuta Momiyama, Atsushi Gokita, Shota Kanazawa, Koichiro Sawa, Takahiro Ueno (NIT) EMD2023-46
 [more] EMD2023-46
pp.42-45
EMD 2023-06-30
13:50
Hokkaido Chitose Arcadia Plaza Wear Characteristics of Carbon Brush under High Current Density
Shota Kanazawa, Takahiro Ueno, Koichiro Sawa (NIT) EMD2023-3
As global warming becomes an important issue in the world, it is one of demands for energy saving to increase the single... [more] EMD2023-3
pp.13-16
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
16:55
Saitama NIT and Online
(Primary: On-site, Secondary: Online)
Automatic measurement system for contact resistance of electric contact -- Improvement of the auto range --
Masato Fujisaki, Ayumu Hashizume, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2022-33
In this report, we improve a system that automatically sets the optimum input voltage range for each measurement (hereaf... [more] EMD2022-33
pp.70-75
EMD 2023-03-03
17:10
Saitama NIT and Online
(Primary: On-site, Secondary: Online)
Effect of Lubricants on Electrical Characteristics of Sliding Contacts in Gold-plated Slip-ring System
Naoya Chiba, Takuma Matsuzaki, Koichiro Sawa, Takahiro Ueno (NIT) EMD2022-34
An electric sliding contact mechanism is a means of transmitting power and signals between stationary and moving objects... [more] EMD2022-34
pp.76-81
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
13:05
Online Online Research on Degradation Process by Sliding Contact Energization of Gold-plated Slip-ring
Toshinari Saito, Tatsuya Kobayashi, Koichiro Sawa, Takahiro Ueno (NIT) EMD2021-15
An electric sliding contact mechanism is a means of transmitting power and signals between stationary and moving objects... [more] EMD2021-15
pp.1-6
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 2021-03-08
13:45
Online Online Effect of ambient gas on break arc in AC power supply
Hiroto Takano, Kotaro Nakashima, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2020-31
The electromagnetic contactor was opened and closed in air or in hydrogen. The arc duration ta, arc energy Ea, and arc ... [more] EMD2020-31
pp.12-17
EMD 2021-03-08
14:20
Online Online Continuous open and close test of contact resistance of electromagnetic contactor
Yoshihiro Sudo, Kohei Chiba, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2020-32
In this study, the contact resistance when a small current was applied at DC5V, was automatically measured. In the expe... [more] EMD2020-32
pp.18-22
EMD 2020-12-04
13:55
Online Online An Extraordinary Long Lifetime Case of AgPd Brush and Au-plated Slip-ring System with Lubricant
Koichiro Sawa, Yositada Watanabe, Takahiro Ueno (NIT), Hiroyasu Masubuchi (NIDEC SERVO) EMD2020-20
 [more] EMD2020-20
pp.13-18
EMD 2020-12-04
14:35
Online Online Sliding energization characteristics of copper contacts by molybdenum disulfide shot treatment
Tatsuro Iizuka, Yoshitada Watanabe, Koichiro Sawa, Takahiro Ueno (NIT) EMD2020-21
 [more] EMD2020-21
pp.19-23
EMD 2020-12-04
15:00
Online Online Sliding Current Characteristics brought about by Changes in the Silver Content of Silver Graphite Brushes.
Naoki Fukuda, Ryosuke Kudo, Yuki Saito, Yuki Kawashima, Yusuke Takada, Koichiro Sawa, Takahiro Ueno (NIT) EMD2020-22
Sliding contact is a mechanism for the transfer of electrical current between stationary and moving parts. To date, slip... [more] EMD2020-22
pp.24-29
EMD 2020-07-17
15:00
Hokkaido Chitose-Arcadia-Plaza Production of automatic measurement system for contact resistance and its measurement results -- Contact resistance when switching 1 million times under small load condition --
Kiyoshi Yoshida, Koichiro Sawa (NIT), Kenji Suzuki (Fuji FA Comp. & Sys.) EMD2020-6
In this study, we constructed an automatic measurement system for the contact resistance of electrical contacts. This sy... [more] EMD2020-6
pp.17-22
EMD 2020-03-06
13:05
Chiba CHIBA Institute of Technology Tsudanuma Campus
(Cancelled but technical report was issued)
Effect of solid lubricant on electric sliding contact mechanism
Syou Ogata, Yuki Kawasima, Tatsuro Iizuka, Yoshitada Watanabe, Koichro Sawa, Takahiro Ueno (NIT) EMD2019-59
The electric sliding contact mechanism is a mechanism for energizing while sliding an object such as a pantograph of an ... [more] EMD2019-59
pp.1-4
 Results 1 - 20 of 229  /  [Next]  
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