抄録
Arc plasma generated by arc discharge is used in various fields due to its extraordinary characteristics as in its very high temperature and high energy density etc. On the other hand, a principle of current interruption by extinguishing the arc discharge between electrical contacts is practical and useful in many kinds of circuit breakers. The arc discharge and the electrical contacts have been well investigated, and numerous procedures have been developed. In this review paper we introduce the recent technical trend regarding arc plasma treating wastes, synthesizing new materials, and the latest circuit breakers equipped with arc plasma and electrical contacts techniques.
