永久磁铁工作点的确定是永磁磁路计算的必要前提。
Confirming about the working point of the permanent magnet is an essential premise in calculating of the permanent magnetic circuit.
本文介绍了一种永磁磁路设计方法，并以0.35 T的MRI主磁体设计为例验证了磁路设计方法的有效性。
A method of permanent magnet circuit design is introduced. Validity of the method is validated by the design of main permanent magnet of MRI with 0.35t.
三相异步起动永磁同步电动机的磁路结构和起动过程都比较复杂。
The magnetic structure and starting process of the line-start permanent magnet synchronous motor are relatively complicated.
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