On the basis of the resolution of the initial point of permanent magnet recoil line and the permanent magnet operating point, the expression and the influence factors of the maximum allowable current are given.
本文以典型的差动式和桥式极化磁系统为研究对象 ,在求得其永磁回复线的起始点和永磁工作点的基础上 ,给出了最大允许电流的表达式及其影响因素。