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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMD | 2013-03-01 15:35 |
Saitama | Nippon Institute of Technology | Damage shape evaluation system of electrical contacts and investigation of material transfer and erosion phenomena Keisuke Takahashi, Daichi Kawamura, Yuya Hirano, Makoto Hasegawa (Chitose Inst. of Science and Tech.)  EMD2012-118 |
Contact surfaces of mechanical relays and switches are often damaged by arc discharges and/or mechanical wear during swi... [more] | EMD2012-118 pp.37-40 |
| EMD | 2013-01-25 15:50 |
Kanagawa | Hitachi, Ltd., (Totsuka, Yokohama) | An experimental study on a 3-D shape observation system of a sample by employing a laser displacement sensor Makoto Hasegawa, Daichi Kawamura, Keisuke Takahashi (Chitose Inst. of Science and Tech.) EMD2012-100 |
For the purpose of observing and evaluating damaged shapes due to material transfer and erosion, caused by arc discharge... [more] | EMD2012-100 pp.15-19 |
| EMD | 2012-12-21 13:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Special Talk]
Arc V-I Characteristics and Their Measuring Method
-- From a Viewpoint of Applying Them on Break Arc Voltage and Current Calculation -- Keiichi Suhara (TNCT) EMD2012-91 |
Arc V-I Characteristics are necessary for calculation of voltage and current in electric circuit involving arc discharge... [more] | EMD2012-91 pp.1-6 |
| EMD | 2012-11-30 10:45 |
Chiba | Chiba Institute of Technology | Arc Length of Break Arcs Magnetically Blown-out at Arc Extinction Hitoshi Ono, Junya Sekikawa (Shizuoka Univ.) EMD2012-66 |
Silver electrical contacts are separated at constant speed and break arcs are generated in a DC300V-450V/10A resistive c... [more] | EMD2012-66 pp.13-18 |
| EMD | 2012-11-30 14:10 |
Chiba | Chiba Institute of Technology | Observation of growth of arc damages on Ag and AgSnO2 contact surfaces during switching operations Keisuke Takahashi, Makoto Hasegawa (Chitose Inst. of Science and Tech.) EMD2012-69 |
An evaluation system for contact surface damages is being constructed so as to realize observation of a changing process... [more] | EMD2012-69 pp.31-36 |
| EMD | 2012-11-30 14:30 |
Chiba | Chiba Institute of Technology | Arc Erosion of Carbon Contacts in Bio-fuels for Automobille Cheng Chan Wei, Koichiro Sawa, Takahiro Ueno (Nippon Inst. of Tech.) EMD2012-70 |
In a DC motor, arcing occurs during commutation, which causes wear of commutator and brush . This is often one of practi... [more] | EMD2012-70 pp.37-41 |
| EMD | 2012-11-30 14:50 |
Chiba | Chiba Institute of Technology | Relation between Electrode Mass Change and Arc Energy of AgNi Contacts for Electromagnetic Contactors Kiyoshi Yoshida, Koichiro Sawa (Nippon Inst. of Tech.), Kenji Suzuki, Hideki Daijima, Koetsu Takaya (Fuji Electric) EMD2012-71 |
Experiments were carried out at several voltages to clarify the influence of the voltage on various characteristics, i.e... [more] | EMD2012-71 pp.43-48 |
| EMD | 2012-10-19 15:15 |
Tokyo | Fuji Electric FA Components & Systems Co., Ltd. | Three dimensional evaluation of arc damages on Ag and AgSnO2 contact surfaces Keisuke Takahashi, Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2012-63 |
Material transfer and erosion caused by arc discharges during operations of mechanical relays and switches is one of cri... [more] | EMD2012-63 pp.19-24 |
| OCS, OFT (Joint) |
2012-08-31 13:10 |
Hokkaido | Refractive Index Profile Changes Caused by Arc Discharge in Arc-Induced Long-Period Fiber Gratings Fatemeh Abrishamian (Osaka Electro-Comm. Univ.), Nicoleta Dragomir (Victoria Univ.), Katsumi Morishita (Osaka Electro-Comm. Univ.) OFT2012-25 |
Long-period fiber gratings were inscribed in a commercial silica fiber by a point-by-point arc discharge technique with ... [more] | OFT2012-25 pp.33-38 |
|
| EMCJ, EMD | 2012-07-20 13:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Magnetically Blowing out of Break Arcs Restricted by the Wall Hitoshi Ono, Junya Sekikawa (Shizuoka Univ) EMCJ2012-43 EMD2012-18 |
Silver contacts are separated at constant speed and break arc are generated in a DC200-450V and 10A resistive circuit. T... [more] | EMCJ2012-43 EMD2012-18 pp.13-18 |
| EMD | 2012-05-25 13:55 |
Miyagi | Tohoku Bunka Gakuen Univ. | Influence of Source Voltage on Electrode Mass Change of AgNi Contacts for Electromagnetic Contactor
-- Various characteristics of contactor with only make arc -- Kiyoshi Yoshida, Koichiro Sawa (NIT), Kenji Suzuki, Hideki Daijima, Koetsu Takaya (Fuji Electric) EMD2012-2 |
Experiments at several source voltages have been carried out to clarify the influence of the voltage on various characte... [more] | EMD2012-2 pp.7-12 |
| EMCJ, ITE-BCT | 2012-03-16 15:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Effect of holder temperature on bridge and arc at slowly breaking contact Kazuaki Miyanaga, Yoshiki Kayano, Hiroshi Inoue (Akita Univ.) EMCJ2011-142 |
The electrical contact is wideband noise source. But the electrical contact is essential device for the electrical circu... [more] | EMCJ2011-142 pp.73-77 |
| EMD | 2012-03-02 13:30 |
Tokyo | Tanagawa Univ. | V-I Characteristics and Extinction Characteristics of Arcs between Copper Electrodes Godwill Mbiti, Keiichi Suhara (TNCT) EMD2011-130 |
V-I characteristics of Arcs is needed to properly analyze electrical circuits that include arc discharge. Guye’s researc... [more] | EMD2011-130 pp.17-20 |
| EMD, R | 2012-02-17 11:00 |
Kyoto | An experimental study on contact resistance characteristics of relay contacts operated in the vicinity of a new acryl-based polymer Makoto Hasegawa, Nanae Kobayashi (Chitose Inst. of Science and Technology), Yoshiyuki Kohno, Hiroshi Ando (Kaneka Corp.) R2011-43 EMD2011-117 |
The authors have already reported that when relays were operated to break load currents in vapors evaporated from a newl... [more] | R2011-43 EMD2011-117 pp.7-12 |
|
| EMD, R | 2012-02-17 11:25 |
Kyoto | An experimental study on an optical measurement system for damages on contact surfaces Keisuke Takahashi, Makoto Hasegawa (Chitose Inst. of Science and Technology) R2011-44 EMD2011-118 |
Contact surfaces of mechanical relays and switches are often damaged by arc discharges and/or mechanical wear during swi... [more] | R2011-44 EMD2011-118 pp.13-18 |
|
| EMD | 2011-12-16 13:05 |
Tokyo | NIT Kanda Camps | A Review of Measured V-I Characteristics of Arcs between Metallic Electrodes
-- Comparison with Values Experimentally Measured by C.E.Guye and L.Zebrikoff -- Keiichi Suhara (TNCT) EMD2011-106 |
Ayrton equation is famous for an expression of arc V-I characteristics. Guye and Zebrikoff studied the Ayrton constants ... [more] | EMD2011-106 pp.1-3 |
| EMD | 2011-11-17 08:45 |
Akita | Akita Univ. Tegata Campus | Reignition of Break Arcs Magnetically Blown-Out in a 450V DC Resistive Circuit Hitoshi Ono, Junya Sekikawa, Takayoshi Kubono (Shizuoka Univ) EMD2011-66 |
Silver electrical contacts are separated at constant speed and break arc are generated in a DC450V-10A resistive circuit... [more] | EMD2011-66 pp.1-6 |
| EMD | 2011-11-17 16:50 |
Akita | Akita Univ. Tegata Campus | An Experimental Study on Evaluation of Contact Surface Damages with an Optical Cross-Section Method Keisuke Takahashi, Makoto Hasegawa (Chitose Inst. of Science & Tech.) EMD2011-84 |
Contact surfaces of mechanical relays and switches are often damaged by arc discharges and/or mechanical wear during swi... [more] | EMD2011-84 pp.91-96 |
| EMD | 2011-11-17 17:10 |
Akita | Akita Univ. Tegata Campus | Contact Resistance Characteristics of Relays Operated in Vapors Evaporated from Cured Polymeric Products Nanae Kobayashi, Makoto Hasegawa (Chitose Inst. of Science & Tech.), Yoshiyuki Kohno, Hiroshi Ando (Kaneka) EMD2011-85 |
The authors have already reported that when relays were operated to break load currents in vapors evaporated from an acr... [more] | EMD2011-85 pp.97-102 |
| EMD | 2011-11-18 16:50 |
Akita | Akita Univ. Tegata Campus | Experimental Analysis of Transient Phenomena from Metal Melting to Electric Discharge during Breaking Operations of Electric Contacts Takayuki Kudo, Noboru Wakatsuki (Ishinomaki Senshu Univ.) EMD2011-103 |
During breaking contact, contact voltage vc shows irregular, random, or unexpected responses after vc=Um until mechanica... [more] | EMD2011-103 pp.195-200 |
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