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ABB模块ai893
取代稀土有两大可能的方向:一是不要磁铁了,二是把磁铁里的稀土材料用别的材料替代。不要磁铁这个方案比较直接,交流感应电机里也没有磁铁,只有用合适的电磁转换技术生成磁场就行。
目前已经有两种做法:
● 同步磁阻电机(PMaSynRM)
同步磁阻技术将永磁电动机的性能与感应电动机的简单易用相结合。
同步磁阻电机(SynRM)作为感应电机的替代品,同步磁阻电机的核心理念是转子没有绕组或磁铁,只是将电动钢板堆叠在一起,与旋转磁场对齐的具有气隙的钢转子。转子没有感应电流,因此没有损耗。
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