Based on solving the magnetic vector potential of a ferromagnetic cylinder,the laws of eddy current density and power loss of the cylinder in an alternating magnetic field perpendicular to its axis are derived.
从求解铁磁圆柱体的磁矢势出发,推导出了铁磁圆柱体置于垂直柱轴的交变磁场中柱内产生的涡旋电流密度及损耗功率的规律。