9Cai Zhiyuan, Ma Shaohua, Li Wei, et al. Monitor of Electrical Endurance of Vacuum Circuit Breaker's Contacts [A].XXth International Symposium on Discharges and Electrical Insulation in Vacuum [C], Tours, France, IEEE, 2002.
10Ma Shaohua, Xu Jianyuan, Wang Jimei. A Method for Intellectualized Detection and Fault Diagnosis of Vacuum Circuit Breakers[A]. IEEE 19th Int. Symp. on Discharges and Electrical Insulation in Vacuum [C], Xi'an, China, IEEE, 2000.
