Electrical contact phenomena in switching technology-Arc discharges in switching contacts-
Arc discharge phenomena upon opening and closure of switching contacts operated in load current ranges up to several tens amps are briefly summarized. Based on the electrical circuit conditions, different types of arc discharges will occur when contacts are opened. Such arc discharges will have certain influences on contact reliability and lifetime through material transfer and erosion, formation and deposition of arc products, and resultant increases in contact resistance. Arc discharges upon contact closure can be basically considered as breakdown, although break arc discharges can be also observed at contact bounces. Moreover, the authors recent studies indicate that the minimum arc current value of contact materials is not actually the lower limit of break arc occurrence and its interpretation should be changed.
Makoto Hasegawa
Chitose Institute of Science and Technology, 758-65, Bibi, Chitose, Hokkaido, 066-8655 Japan
国际会议
西安
英文
480-487
2011-10-23（万方平台首次上网日期，不代表论文的发表时间）