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AB产品MVI46-ADM
- 更新时间:2025-04-18
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MVI46-ADM
MVI46-ADM
转子:转子是永磁同步电机的旋转部件,通常由永磁体和轴承组成。永磁体是由稀土永磁材料制成的磁铁,固定在转子上,用于产生磁场。轴承是支撑转子的部件,通常分为滚动轴承和滑动轴承两种类型。
内置式转子的磁路结构主要有径向式、切向式和混合式3种,它们之间的区别主要在于永磁体磁化方向与转子旋转方向关系的不同。图2给出3种不同形式的内置式转子的磁路结构。由于永磁体置于转子内部,转子表面便可制成极靴,极靴内置入铜条或铸铝等便可起到启动和阻尼的作用,稳态和动态性能都较好。又由于内置式转子磁路不对称,这样就会在运行中产生磁阻转矩,有助于提高电机本身的功率密度和过载能力,而且这样的结构更易于实现弱磁扩速。
轭部、齿、槽:定子或者转子上有铁心或者绕铜线的地方,绕铜线的地方叫槽,而将槽分开的叫齿,将所有的齿连起来的部位较轭部(定子冲片槽底与外圆之间形成的区域)。
每极每相槽数:q=Z/(2*Np*m) Np为极对数,2Np为级数,Np极对数,对应绕组的两个线圈边。
若q比较大,采用双层短距绕组,(绕组跨距小于一个极距)。
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