This work is supported by the National Natural Science Foundation of China(No.51877026 and No.51337001);the Science&Technology Project of SGCC(No.5229CG15003Q).
A ZW-126/D2000-40 type single-break vacuum circuit breaker(VCB)with controlled switching technology is designed and produced in this paper.The results of type tests based on IEC and GB standards are presented.A 126 kV...