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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 105  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EMD, WPT, EMCJ, PEM
(Joint)
2022-07-15
15:25
Tokyo
(Primary: On-site, Secondary: Online)
Numerical analysis of airflow to affect on motion of break arcs ejected from surface of electrical contacts
Koki Kameyama, Junya Sekikawa (Shizuoka Univ.) EMD2022-1
 [more] EMD2022-1
pp.1-6
EMD, WPT, EMCJ, PEM
(Joint)
2022-07-15
15:50
Tokyo
(Primary: On-site, Secondary: Online)
Voltage-current characteristics for each arc length of break arcs genelated in a 48VDC/600A regestive circuit
Keiya Imori, Junya Sekikawa (Shizuoka Univ.) EMD2022-2
 [more] EMD2022-2
pp.7-12
R, EMD 2022-02-10
15:35
Online Online Investigation by numerical simulation of flow velocity of air blowing to electrical contact gap and its effect on break arcs
Takashige Okuno, Junya Sekikawa (Shizuoka Univ.) R2021-45 EMD2021-13
In the interruption of DC high voltage circuits, it is desirable to extinguish the arc at the opening of the contacts in... [more] R2021-45 EMD2021-13
pp.12-17
R, EMD 2022-02-10
16:00
Online Online Break arcs magnetically blown-out in a 48VDC/300A resistive circuit at constant opening speeds
Haruko Yazaki, Junya Sekikawa (Shizuoka Univ.) R2021-46 EMD2021-14
Dependences of arc length just before extinction L and contact gap at arc extinction d on contact opening speed v are st... [more] R2021-46 EMD2021-14
pp.18-23
EMD, R 2021-02-12
14:00
Online Online Motion characteristics of break arcs generated in a 450VDC/10A circuit and surface temperature of arc runners
Hiroyuki Sato, Junya Sekikawa (Shizuoka Univ.) R2020-35 EMD2020-26
 [more] R2020-35 EMD2020-26
pp.7-12
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 2020-12-04
13:30
Online Online Dependence of arc duration and contact gap at arc extinction of break arcs occurring in a 48VDC/10A-300A resistive circuit on contact opening speed
Haruko Yazaki, Junya Sekikawa (Shizuoka Univ.) EMD2020-19
 [more] EMD2020-19
pp.7-12
EMD 2020-07-17
14:35
Hokkaido Chitose-Arcadia-Plaza Dependence of Arc Length at Extinction of Break Arcs on circuit current for each silver-based contact material in 48VDC/50A-300A Circuit
Haruko Yazaki, Junya Sekikawa (Shizuoka Univ.) EMD2020-5
 [more] EMD2020-5
pp.11-16
EMD, R 2020-02-14
15:00
Shizuoka   Forcible division of break arcs in small space occurring in a 150V-400VDC/10A resistive circuit by a dividing plate made of PTFE
Yuichiro Kimura, Junya Sekikawa (Shizuoka Univ.) R2019-57 EMD2019-57
 [more] R2019-57 EMD2019-57
pp.17-21
EMD 2019-12-13
14:35
Tokyo   Dependence of arc length just before arc extinction on magnetic flux density when break arcs are blown-out in a 48VDC/50A-200A resistive circuit
Kenshi Hamamoto, Junya Sekikawa (Shizuoka Univ.) EMD2019-43
Break arcs were generated in a 48VDC resistive circuit and blown-out by transverse magnetic field. Circuit current when ... [more] EMD2019-43
pp.1-6
EMD 2019-12-13
15:40
Tokyo   Characteristics of break arcs blown-out in a 500VDC/10A circuit when moving range of arc spots is changed by shape of insulated silver pipes
Taiju Masuda, Junya Sekikawa (Sizuoka Univ.) EMD2019-45
Break arcs are generated and magnetically blown-out by transverse magnetic field in a 500VDC/10A resistive circuit. Silv... [more] EMD2019-45
pp.13-18
EMD 2019-12-13
16:05
Tokyo   Dependence of surface roughness on contact resistance-load characteristics and contact distance when contact force of silver electrical contacts is decreased after increasing
Ryosuke Hosogi, Junya Sekikawa (Shizuoka Univ.) EMD2019-46
In this study, in order to investigate in more detail contact resistance-load characteristics and contact distance on si... [more] EMD2019-46
pp.19-24
EMD 2019-11-15
13:55
Tokyo The University of Electro-Communications Characteristics of Break Arcs Magnetically Blown-Out with simplified shape in a 200V-500VDC/10A Resistive Circuit
Yuta Kaneko, Junya Sekikawa (Shizuoka Univ.) EMD2019-41
 [more] EMD2019-41
pp.11-16
EMD 2019-11-15
14:20
Tokyo The University of Electro-Communications Forcible division of break arcs occurring in a 150V-600VDC/10A resistive circuit by a dividing plate made of PTFE
Yuichiro Kimura, Junya Sekikawa (Shizuoka Univ.) EMD2019-42
 [more] EMD2019-42
pp.17-22
EMCJ, EMD, WPT, PEM
(Joint) [detail]
2019-07-19
09:05
Tokyo Kikai-Shinko-Kaikan Bldg. Forcible division of break arcs occurring in a 150V-250VDC/10A resistive circuit by a dividing plate made of copper
Yuichiro Kimura, Junya Sekikawa (Shizuoka Univ.) EMCJ2019-30 EMD2019-11
 [more] EMCJ2019-30 EMD2019-11
pp.1-5
EMCJ, EMD, WPT, PEM
(Joint) [detail]
2019-07-19
09:30
Tokyo Kikai-Shinko-Kaikan Bldg. Motion restriction of arc spots by insulated silver pipes for break arcs occurring in a 500VDC/10A circuit
Taiju Masuda, Junya Sekikawa (Sizuoka Univ.) EMCJ2019-31 EMD2019-12
 [more] EMCJ2019-31 EMD2019-12
pp.7-12
EMD 2018-11-09
13:35
Tokyo The University of Electro-Communications Analysis of Arc Length Just before Arc Extinction Generated in a 500VDC/10A Resistive Circuit by Means of Observation from Two Directions
Ryuichiro Yamamura, Junya Sekikawa (Shizuoka Univ) EMD2018-41
The experimental circuit is the resistive load resistor with supply voltage of 500 VDC/10A, and the material contacts i... [more] EMD2018-41
pp.1-5
EMD 2018-11-09
14:00
Tokyo The University of Electro-Communications Analysis of Length of Break Arcs Magnetically Blown-out just before Arc Extinction Occurring in a 48VDC/50-200A Resistive Circuit
Kenshi Hamamoto, Junya Sekikawa (Shizuoka Univ.) EMD2018-42
Break arcs are generated in a 48VDC/50-200A resistive circuit and blown-out by transverse magnetic field. The magnetic f... [more] EMD2018-42
pp.7-12
EMD 2018-05-18
15:30
Hokkaido Muroran Institute of Technology Analysis of time evolution of length of break arcs occurring in a 48VDC/150A resistive circuit
Kenshi Hamamoto, Junya Sekikawa (Shizuoka Univ.) EMD2018-6
Silver electrical contacts are separated using a high-speed contact opening device to generate break arcs in a DC resist... [more] EMD2018-6
pp.27-31
EMD 2018-05-18
15:55
Hokkaido Muroran Institute of Technology Arc length at arc extinction of break arcs when a 500VDC/10A High Voltage resistive circuit is interrupted
Yuta Kaneko, Junya Sekikawa (Shizuoka Univ.) EMD2018-7
 [more] EMD2018-7
pp.33-37
 Results 1 - 20 of 105  /  [Next]  
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