摘要
在采用矢量磁位和标量电位方法求解二维线性正弦电磁场时,如果全部给定(或部分给定)矢量磁位的第一类边界条件,为了保证电磁场解的唯一性,本文提出一种新方法。它适用于多个涡流区域的问题。针对一台大容量变压器实例,计算了变压器线圈的涡流损耗,得到了与理论分析相一致的结果。
For the 2-D eddy current problem, magnetic vector potential and electric scalar potential are often used as unknown functions to make the calculation simpler. When the first boundary condition of magnetic vector potential is given on all of(or part of) the bounddaries, a new method to ensure the uniqueness of the solution is presented in this paper. This method can be used in the problem including many conductors. The winding eddy current losses of a large transformer have been calculated. The satisfactory results have been obtained.
