电机磁场有限元新技术

对于电机的三维磁场和动态磁场的计算,介绍了有限元法的一些实用新技术的要点,其中包括三维有限元的六面体等参数单元,电流区引入标量磁位的处理,二维时步法的场路结合与时间离散迭代格式,以及一种有限元解析混合法.

Some New Techniques of FEM in Magnetic Fields of Electrical Machines

For the calculation of 3-D and dynamic magnetic fields in electrical machines,some new practi- cal techniques of FEM are essentially presented,including hexahedron equal-parametric element of 3-D FEM,treat of introducing scale magnetic potential to region carrying current,combination of field and circuit and time-discrete iterative form of 2-D time-step FEM,as well as a mixed method of FEM and analysis.