Wed, Nov 14 AM Opening remarks Chair: Hideaki Sone 09:20 - 09:30 |
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09:20-09:30 |
Opening remarks ( 10 min. ) |
Wed, Nov 14 AM <<Session 1>> --Fretting-- Chair: Hideaki Sone 09:30 - 10:30 |
(1) |
09:30-09:50 |
Frequency Influencing of Fretting Corrosion of Tin Plated Contacts |
Yasushi Saitoh, Naoyuki Sato, Terutaka Tamai, Kazuo Iida (Mie Univ.), Tetsuya Ito, Shigeru Sawada, Yasuhiro Hattori (AutoNetworks Technologies) |
(2) |
09:50-10:10 |
Microscopic Observation of Fretting Corrosion of Tin Plated Contacts |
Hirosaka Ikeda, Tetsuya Ito, Shigeru Sawada, Yasuhiro Hattori (AutoNetworks Technologies), Yasushi Saitoh, Terutaka Tamai, Kazuo Iida (Mie Univ.) |
(3) |
10:10-10:30 |
Micro-structural Study of Fretting Contact caused by the difference of the tin plating thickness |
Tetsuya Ito, Shigeru Sawada, Yasuhiro Hattori (AutoNetworks Technologies), Yasushi Saitoh, Terutaka Tamai, Kazuo Iida (Mie Univ.) |
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10:30-10:45 |
Break ( 15 min. ) |
Wed, Nov 14 AM <<Session 2>> --Sliding Contact-- Chair: Noboru Wakatsuki 10:45 - 11:45 |
(4) |
10:45-11:05 |
The Relationship between Contact Resistance and Frictional Coefficient under High Current Sliding Contact |
Takahiro Ueno, Kenichi Kadono, Shinji Yamaguchi, Noboru Morita (Nippon Inst. of Tech.), Akio Tanaka (Oyama Nat'l College of Tech.) |
(5) |
11:05-11:25 |
Influence of Surface Finish Processing on Contact Voltage Drop of Sliding Contact |
Kenichi Kadono, Takahiro Ueno, Shinji Yamaguchi, Noboru Morita (Nippon Inst. of Tech.), Akio Tanaka (Oyama Nat'l College of Tech.) |
(6) |
11:25-11:45 |
Brush Sliding Contact Voltage Deviation Analysis based on the Evaluation of Displacement Excited Vibration caused by the Collector Ring Profile Distortion
-- for Turbine Generators & Traction Motors -- |
Makoto Takanezawa, Hiroyuki Yanagisawa, Takahiro Ueno, Noboru Morita (Nippon Inst. of Tech.) |
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11:45-13:00 |
Lunch Break ( 75 min. ) |
Wed, Nov 14 PM <<Session 3>> --Arc Interruption-- Chair: Terutaka Tamai 13:00 - 14:40 |
(7) |
13:00-13:20 |
Measurement of Current Noise up to GHz from Slowly Breaking AgSnO2 Contact with External Magnetic Field |
Hikaru Miura, Yoshiki Kayano, Kazuaki Miyanaga, Hiroshi Inoue (Akita Univ.) |
(8) |
13:20-13:40 |
Motion of Break Arcs Driven by External Magnetic Field in a DC42V Resistive Circuit |
Junya Sekikawa, Takayoshi Kubono (Shizuoka Univ.) |
(9) |
13:40-14:00 |
Breaking Contact Phenomena of Time-coordinated Non-arcing Relay |
Noboru Wakatsuki, Hiroshi Honma, Kazumasa Otomo (Ishinomaki Senshu Univ.) |
(10) |
14:00-14:20 |
Influence of source voltage on gaseous phase arc transition in Ag alloy contacts
-- Relation between damage in contact surface and voltage -- |
Kiyoshi Yoshida (Nippon Inst. of Tech.) |
(11) |
14:20-14:40 |
An experimental study of influences of contact opening speeds on arcing behaviors of silver contacts |
Makoto Hasegawa (Chitose Inst. of Science and Tech.) |
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14:40-15:00 |
Break ( 20 min. ) |
Wed, Nov 14 PM <<Session 4>> --Relays-- Chair: Makoto Hasegawa 15:00 - 16:40 |
(12) |
15:00-15:20 |
The Effect of Power Supply Voltage on Make & break Duration of Relays |
Li Zhenbiao, Zhang Huan (Huazhong Univ. of Science & Tech.), Makoto Hasegawa (Chitose Inst. of Science and Tech.) |
(13) |
15:20-15:40 |
A Study of Contact Spots on Earthquake Disaster Prevention Relays |
Yoshitada Watanabe, Yuichi Hirakawa (Kogakuin Univ.) |
(14) |
15:40-16:00 |
Study on Arc of Electromagnetic Relay Contacts Opening a DC Low Current Resistive Circuit with a Constant Velocity |
Guofu Zhai, Xue Zhou (Harbin Inst. of Tech.) |
(15) |
16:00-16:20 |
The analysis of electromagnetic relay
-- Dynamic characteristics taking into account uniform constant magnetic field's disturbance -- |
Guofu Zhai, Qiya Wang, Wanbin Ren (Harbin Inst. of Technology) |
(16) |
16:20-16:40 |
Nonlinear vibration characteristics of beam structure in electromagnetic relay |
Wanbin Ren, Yinghua Chen, Guofu Zhai (Harbin Inst. of Tech.) |
Thu, Nov 15 AM <<Session 5>> --Material-- Chair: Isao Minowa 09:10 - 10:10 |
(17) |
09:10-09:30 |
Galvanically Deposited Gold Layers for Switching Contacts in High Temperature Ambient |
Werner Johler (Tyco Electronics Logistics AG) |
(18) |
09:30-09:50 |
Electrorheology of Acrylic Rubber and Lead Zirconate Titanate |
N. Tangboriboon (Kasetsart Univ.), A. Sirivat, S. Wongkasemjit (Chulalongkorn Univ.) |
(19) |
09:50-10:10 |
Degradation phenomenon of electrical contacts by hammering oscillating mechanism
-- Relation to sliding contact mechanism -- |
Shin-ichi Wada, Taketo Sonoda, Hiroshi Amao, Yasuo Takahashi, Mitsuo Kikuchi, Hiroaki Kubota (TMC System), Koichiro Sawa, Kei Koga, Ryo Nishioka (Keio Univ.) |
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10:10-10:25 |
Break ( 15 min. ) |
Thu, Nov 15 AM <<Session 6>> --Fundamentals-- Chair: Werner Johler 10:25 - 11:45 |
(20) |
10:25-10:45 |
Contact Resistance Characteristics of Complex Structure Contacts for Contaminated Printed Circuit Board in SO2 Environment |
Terutaka Tamai, Yasushi Saitoh (Mie Univ.), Yasuhiro Hattori (AutoNetwork Technologies) |
(21) |
10:45-11:05 |
Frequency dependence of electrical nonlinear distortion by heat oscillation on a two dimensional metal bridge |
Isao Minowa (Tamagawa Univ.) |
(22) |
11:05-11:25 |
Effect of change in the time of charging voltage on spark discharge from a metal disk |
Hajime Tomita (National Inst. of Occupational Safety and Health) |
(23) |
11:25-11:45 |
A Method for Vibration Resistance Optimization of Irregular-shape Beam Structure Basing on FEM and SQP |
Yinghua Chen, Wanbin Ren, Guofu Zhai (Harbin Inst. of Tech.) |
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11:45-13:00 |
Break ( 75 min. ) |
Thu, Nov 15 PM <<Session 7>> --Modeling-- Chair: Noboru Morita 13:00 - 14:40 |
(24) |
13:00-13:20 |
A Study on Heat Analysis for Breaking Contact with Low Velocity (Part 2)
-- Influence of Holder Structure on Temperature Rise of Electrode (Part 2) -- |
Kazuaki Miyanaga, Yoshiki Kayano (Akita Univ.), Tasuku Takagi (Em. Prof. Tohoku Univ.), Hiroshi Inoue (Akita Univ.) |
(25) |
13:20-13:40 |
3-D Finite Element Analysis of Dynamic Characteristics of Twin-Type Relay Interfered by Uniform Constant Magnetic Field |
Guofu Zhai, Wenying Yang, Xue Zhou (Harbin Inst. of Tech.) |
(26) |
13:40-14:00 |
Simulation and Experimental Study of Arc Motion in a Low-Voltage Circuit Breaker Considering Wall Ablation |
Qiang Ma, Mingzhe Rong (Xi'an Jiaotong Univ.), Anthony B. Murphy (CSIRO Industrial Physics), Yi Wu, Tiejun Xu (Xi'an Jiaotong Univ.), Fei Yang (CSIRO Industrial Physics) |
(27) |
14:00-14:20 |
Thermal Analysis of AC Contactor Using Thermal Network Finite Difference Analysis Method |
Chunping Niu, Degui Chen, Xingwen Li, Weixiong Tong, Yingsan Geng (Xi'an Jiaotong Univ.) |
(28) |
14:20-14:40 |
Simulation of SF6 arc characteristcs concerning different pressure boundary condition |
Jian Zhang, Shenli Jia, Xingwen Li, Zongqian Shi, Lijun Wang (Xi'an Jiaotong Univ.) |
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14:40-15:00 |
Break ( 20 min. ) |
Thu, Nov 15 PM <<Session 8>> --Contactors & Breakers-- Chair: Koichiro Sawa 15:00 - 16:20 |
(29) |
15:00-15:20 |
An Improved Method to Measure Current Density Distribution in the Root of a Moving Arc at the Cathode Surface |
Tiejun Xu, Mingzhe Rong, Yi Wu, Xiaohua Wang, Qiang Ma, Jianjun Yao (Xi'an Jiaotong Univ.) |
(30) |
15:20-15:40 |
Analysis and Optimization for AC Contactor with Feedback Controlled Magnet System |
Yingyi Liu, Degui Chen, Yingsan Geng, Chunping Niu, Liang Ji, Weixiong Tong (Xi'an Jiaotong Univ.) |
(31) |
15:40-16:00 |
Analysis and Optimization for the Operating Mechanism of Air Circuit Breaker |
Degui Chen, Liang Ji, Yunfeng Wang, Yingyi Liu (Xi’an Jiaotong Univ.) |
(32) |
16:00-16:20 |
The Influence of the Insulation Baffle of Iron Splitter Plates on Arc Behavior |
Xingwen Li, Degui Chen (Xi’an Jiaotong Univ.), Yimin You (Xi'an High Voltage Apparatus Research Institute), Qian Wang (Applied Materials China) |
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16:20-16:25 |
Closing ( 5 min. ) |