Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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 14:30 |
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 |
2016-11-03 15:50 |
Hyogo |
Awaji Yumebutai International Conference Center |
Experimental Equipment Including a Contact Opening Apparatus and Capacitors for High-Current Break Arcs Generated in a 48VDC/250A Resistive Circuit Ryuichi Takano, Akinori Ishihara, Junya Sekikawa (Shizuoka Univ) EMD2016-56 |
Experimental equipment including a contact opening apparatus and capacitors for high-current break arcs is reported. The... [more] |
EMD2016-56 pp.35-39 |
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 |
EMD |
2016-03-04 14:55 |
Saitama |
|
Influence of Opening Velocity and Contact Material on Various Characteristics in Break Arc Hikaru Kanou, Hiroto Yamagishi, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2015-104 |
The experimental apparatus that is able to set opening velocity at wide-range of 1-200mm/s with an equal speed was used ... [more] |
EMD2015-104 pp.21-24 |
EMD, CPM, OME |
2015-06-19 16:45 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
An experimental study on break arc characteristics of AgSnO2 contact pairs at interruptions of DC load currents with different contact opening speeds Makoto Hasegawa (Chitose Inst. of Science & Technology) EMD2015-19 CPM2015-29 OME2015-32 |
In DC load circuit conditions with a power supply voltage of DC14V, break operations of a load current in the range from... [more] |
EMD2015-19 CPM2015-29 OME2015-32 pp.47-50 |
EMD |
2015-03-06 15:35 |
Chiba |
Chiba Institute of Technology |
Influence of Opening Velocity on Various Characteristics in Break Arc Syogo Funawatari, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2014-119 |
Recently, the demand to interrupt the DC high voltage and the large-current by electric contact has increased. Experime... [more] |
EMD2014-119 pp.29-32 |
OPE, OCS, OFT (Joint) [detail] |
2015-02-19 17:25 |
Kagoshima |
|
A Theoretical Analysis of DMD reducton for step-index FMF using index differential term of the wave-equation Naofumi Kitsunezaki (AGU) OCS2014-111 OPE2014-217 |
In a step-indexed few mode fiber using $LP_{11}$ modes, there exists differential modal delay between different $LP_{01}... [more] |
OCS2014-111 OPE2014-217 pp.47-52(OCS), pp.81-86(OPE) |
EMD |
2015-01-23 13:55 |
Kanagawa |
|
An experimental study on influences of contact opening speeds on break arc characteristics of AgSnO2 contact pair at interruptions of inductive DC load currents Makoto Hasegawa, Nanami Ohkawa, Hiroya Sonobe (Chitose Inst. of Science & Technology) EMD2014-102 |
In a DC inductive load circuit (L=20mH) with a power supply voltage of DC14V, break operations of a load current in the ... [more] |
EMD2014-102 pp.7-10 |
EMD |
2014-12-19 15:35 |
Tokyo |
Kikai-Shinko-Kaikan Bldg |
Influence of Opening Velocity on Characteristics of Break Arc Extinction
-- An experimental results for DC200V, Ag contacts -- Kiyoshi Yoshida, Koichiro Sawa, Syogo Funawatari (NIT), Kenji Suzuki, Koetsu Takaya (Fuji Electric) EMD2014-98 |
Recently, the demand to cut the DC high voltage and the heavy-current by electric contact has risen. Experimental appar... [more] |
EMD2014-98 pp.19-24 |
EMD |
2014-11-29 10:00 |
Hokkaido |
Chitose Cultural Center |
[Invited Talk]
Electric arc phenomena in switchgear Yi Wu, Fei Yang, Mingzhe Rong, Mingliang Wu, Chunping Niu (Xi'an Jiaotong Univ.) EMD2014-65 |
Switching arc is formed in the interrupting process of circuit breaker (CB). The control of the arc evolution and extinc... [more] |
EMD2014-65 pp.1-6 |
EMD |
2014-11-29 10:50 |
Hokkaido |
Chitose Cultural Center |
Moving characteristics of cathode spots of break arcs occurring between Ag and Pd electrical contacts Shingo Suzuki, Junya Sekikawa (Shizuoka Univ.) EMD2014-67 |
Break arcs are generated between Ag and Pd contacts in a DC48V and 9A resistive circuit. The behavior of the break arcs ... [more] |
EMD2014-67 pp.13-17 |
EMD |
2014-11-30 11:00 |
Hokkaido |
Chitose Cultural Center |
Observation and Analysis of Cathode Surfaces Being Affected by Break Arcs Masato Nakamura, Junya Sekikawa (Shizuoka Univ) EMD2014-85 |
Break arcs are generated in a DC48V and 9A resistive circuit at contact opening speed of 5mm/s. The morphology of the ca... [more] |
EMD2014-85 pp.115-120 |
IBISML |
2014-11-17 17:00 |
Aichi |
Nagoya Univ. |
[Poster Presentation]
Breakdown Point of Robust Support Vector Machine Takafumi Kanamori (Nagoya Univ.), Shuhei Fujiwara, Akiko Takeda (Univ. of Tokyo) IBISML2014-41 |
The support vector machine (SVM) is one of the most successful learning methods for solving classification
problems. D... [more] |
IBISML2014-41 pp.49-56 |
EMD |
2014-01-31 14:25 |
Tokyo |
|
Distribution of composition on Ag cathode surfaces heated after occurrence of break arcs Tomoyuki Atsumi, Junya Sekikawa (Shizuoka Univ.) EMD2013-138 |
Break arcs are generated in a DC48V and 12A resistive circuit. Composition distribution on contact surfaces eroded by br... [more] |
EMD2013-138 pp.11-16 |
EMD |
2013-11-16 10:55 |
Overseas |
Huazhong University of Science and Technology, Wuhan, P.R.China |
Study on the Breaking Characteristics of Low Voltage DC Circuit Breaker in the Low-current Situation Yunfeng Wang, Xingwen Li, Degui Chen (Xi'an Jiaotong Univ.), Hongwu Liu, Ruiliang Guan (Changshu Switchgear MFG.) EMD2013-83 |
The influence of the arc slot and electrode distance on the arc volt-ampere characteristic when breaking low DC current ... [more] |
EMD2013-83 pp.35-38 |
EMD |
2013-11-16 11:10 |
Overseas |
Huazhong University of Science and Technology, Wuhan, P.R.China |
Dynamic Simulation and Experiment on Electromagnetic Repulsion Mechanism for Hybrid DC Circuit Breaker Lin Xin, Cao Chen (Shenyang Univ. of Tech.) EMD2013-84 |
In order to improve performances of DC breakers, the electromagnetic repulsion mechanism for hybrid DC circuit breaker i... [more] |
EMD2013-84 pp.39-42 |
EMD |
2013-11-17 09:55 |
Overseas |
Huazhong University of Science and Technology, Wuhan, P.R.China |
Observation of Cathode Surfaces Being Affected by a Break Arc Masato Nakamura, Junya Sekikawa (Shizuoka Univ.) EMD2013-106 |
A break arc is generated in a DC48V and 9A resistive circuit for different contact opening speed. The speed is changed t... [more] |
EMD2013-106 pp.127-130 |
EMD |
2013-11-17 17:35 |
Overseas |
Huazhong University of Science and Technology, Wuhan, P.R.China |
Computational study of arc behavior under external magnetic field in an SF6 circuit breaker Junmin Zhang, Minmin Niu (Beihang Univ.) EMD2013-129 |
A three-dimensional and time-dependent model based on magnetohydrodynamics (MHD) equations has been developed to investi... [more] |
EMD2013-129 pp.225-228 |