| 摘要 |
A synchronous motor including permanent magnets inserted in a rotor, said permanent magnets having azimuth positions within said rotor and having radial magnetization, said rotor co-operating with a stator so as to define an air gap, said rotor and said stator being defined by poles, wherein flux produced by said permanent magnets propagates within the rotor along a first magnetic path F3 situated between said poles, said first magnetic path F3 having a reluctance lying in the range 0.5 times to 10 times the reluctance offered to the flux produced by said permanent magnets and propagating via said air gap.
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