5Babuska I, Suri M. The p - and h - p versions of the finite element method[J]. Computer methods in applied mechanics and engineering, 1990,80(12) :5 -26. 被引量:1
6Kang J H, Bae C Y, Jung H K. Dynamic behavior a- nalysis of permanent magnetic actuator in vacuum circuit breaker [C]. Sixth International Conference on Elec- trical Machines and Systems, 2003. 被引量:1
7Dullni E. A vacuum circuit-breaker with permanent magnetic aetualor for frequent operations [ C ]. Pro- ceedings XVIIIth International Symposium on Discharges and Electrical Insulation in Vacuum, 1998. 被引量:1