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 |
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, R |
2020-02-14 14:35 |
Shizuoka |
|
Observations of break arc behaviors of AgSnO2 contacts in a DC inductive load under application of an external magnetic field Makoto Hasegawa, Seika Tokumitsu (Chitose Inst. of Science & Technology) R2019-56 EMD2019-56 |
When AgSnO2 contacts were operated to break an inductive DC load circuit up to 20V-17A with an applied external magnetic... [more] |
R2019-56 EMD2019-56 pp.13-16 |
EMD |
2020-01-17 15:35 |
Kanagawa |
Rental hall Shonan Hiratsuka |
Arc movement observation of DC inductive break arcs of AgSnO2 contacts up to 20V-17A under external magnetic field application Makoto Hasegawa, Seika Tokumitsu (Chitose Inst. of Sci.&Tech.) EMD2019-51 |
AgSnO2 contacts were operated to break an inductive DC load circuit of 14V-7A, 14V-12A, 20V-7A, or 20V-17A with an appli... [more] |
EMD2019-51 pp.17-21 |
EMD |
2019-12-13 16:30 |
Tokyo |
|
Arc energy calculation in re-striking phenomena in break operations of AgSnO2 contacts in inductive DC load conditions up to 20V-17A Makoto Hasegawa, Seika Tokumitsu (Chitose Inst. of Sci.&Tech.) EMD2019-47 |
AgSnO2 contacts were operated to break an inductive DC load circuit of 14V-7A, 14V-12A, 20V-7A, or 20V-17A with an appli... [more] |
EMD2019-47 pp.25-30 |
EMD |
2019-03-01 10:35 |
Tokyo |
|
A study in influences of external magnetic field on break arc characteristics of AgSnO2 contacts in a DC inductive load circuit up to 20V-17A up to 20V-17A Seika Tokumitsu, Makoto Hasegawa (Chitose Inst. of Science & Technology) EMD2018-59 |
For the purpose of investigating influences of application of an external magnetic field on shortenings of break arc dur... [more] |
EMD2018-59 pp.1-6 |
EMD |
2019-01-18 15:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Influences of contact opening speeds and external magnetic field on shortening of break arc durations of AgSnO2 contacts in a DC inductive load circuit up to 20V-17A Seika Tokumitsu, Makoto Hasegawa (Chitose Inst. of Science & Technology) EMD2018-52 |
In a DC inductive (L=5.7mH) load circuit, a AgSnO2 contact pair with applied external magnetic field of about 120mT was ... [more] |
EMD2018-52 pp.23-28 |
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 |
2015-01-23 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 |
2014-11-30 15:35 |
Hokkaido |
Chitose Cultural Center |
Influences of contact opening speeds on break arc behaviors of AgSnO2 contact pairs in DC inductive load conditions Makoto Hasegawa (Chitose Inst. of Science and Tech.) EMD2014-93 |
Break operations of a DC inductive (L=20mH) current at about 1A, 3A and 5A with 14V were conducted with AgSnO2 contact p... [more] |
EMD2014-93 pp.161-164 |
EMD |
2014-05-16 14:20 |
Miyagi |
Ishinomaki Senshu University |
An experimental study on relationships between break arc durations and contact opening speeds of Ag and AgSnO2 contact pairs in DC load circuits Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2014-4 |
In a DC inductive load circuit (L=20mH) with a power supply voltage of DC14V, break operations of a load current in the ... [more] |
EMD2014-4 pp.19-22 |
EMD, R |
2014-02-21 13:55 |
Osaka |
|
Three-dimensional comparisons of damage shapes on Ag and AgSnO2 contact surfaces caused by break arc discharges Makoto Hasegawa, Daichi Kawamura (Chitose Inst. of Science and Tech.) R2013-86 EMD2013-142 |
Observation and evaluation of changes (damage growth) on contact surfaces caused by arc discharges are important for rea... [more] |
R2013-86 EMD2013-142 pp.13-18 |
EMD |
2013-11-17 09:25 |
Overseas |
Huazhong University of Science and Technology, Wuhan, P.R.China |
Three-dimensional observation of damage shapes caused by break arcs on Ag and AgSnO2 contact surfaces Daichi Kawamura, Makoto Hasegawa (Chitose Inst. of Science & Tech.) EMD2013-104 |
A growth process of damage shapes (specifically growth of a crater) on a cathode surface of a Ag contact pair and a AgSn... [more] |
EMD2013-104 pp.119-122 |
EMD |
2013-11-17 11:05 |
Overseas |
Huazhong University of Science and Technology, Wuhan, P.R.China |
Influence of Fabrication Method on Arcing Erosion Behaviour of AgSnO2 Contact Materials Chunping Wu (Central South Univ.), Wei Weng, Xiaoping Bai, Suhua Li, Danqing Yi (FuDa Alloy Materials), Jiemin Zhou (Central South Univ.) EMD2013-110 |
Electrical contacts are widely used for telecommunication and electric power as a device directly making and breaking el... [more] |
EMD2013-110 pp.143-149 |
EMD |
2013-11-17 11:35 |
Overseas |
Huazhong University of Science and Technology, Wuhan, P.R.China |
An experimental study on influences of contact opening speeds on break arc characteristics of Ag and AgSnO2 contacts Makoto Hasegawa (Chitose Inst. of Science & Tech.) EMD2013-112 |
In a DC inductive load circuit (L=20mH) with a power supply voltage of DC14V, break operations of a load current in the ... [more] |
EMD2013-112 pp.155-158 |
EMD, CPM, OME |
2013-06-21 14:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
An experimental study on influences of contact opening speeds on break arc durations of Ag and AgSnO2 contacts Makoto Hasegawa (Chitose Inst. of Science and Tech.) EMD2013-15 CPM2013-30 OME2013-38 |
In a DC inductive load circuit (L=20mH) and a DC resistive load circuit with a power supply voltage of DC14V, break oper... [more] |
EMD2013-15 CPM2013-30 OME2013-38 pp.43-48 |
EMD |
2013-05-17 15:55 |
Hokkaido |
Chitose Arcadia Plaza |
Observation of damage shapes caused by break arcs on Ag and AgSnO2 contact surfaces during switching operations Makoto Hasegawa, Keisuke Takahashi, Daichi Kawamura, Yuya Hirano (Chitose Inst. of Science and Tech.) EMD2013-6 |
An evaluation system enabling observation and evaluation of changes on contact surface conditions (growth of a crater an... [more] |
EMD2013-6 pp.29-34 |