6SN1118-0NK00-0AA2

6SN1118-0NK00-0AA2

6SN1118-0NK00-0AA2

异步电动机的缺点：

　　效率低：由于异步电动机在运转中会产生旋转磁场，其转子不同步跟随旋转磁场，因此会产生的转子损耗，从而导致效率偏低。

　　转速波动大：在负载大或转速较高时，异步电动机的转速容易受到负载扰动等外界影响，从而导致转速波动较大，影响电机的稳定性和控制性能。

　　噪音大：由于异步电动机的转子和定子的相对速度产生旋转磁场，因此会产生的机械噪音和电磁噪音，这种噪音通常需要通过各种隔音、抑噪技术来解决，成本较高。

　　综上所述，同步电动机和异步电动机在不同应用场景下各自有着各自的优劣。选择适合的电机应考虑到其应用领域、伺服要求、电气效率以及工程成本等多方面因素。

6SN1118-0NK00-0AA2 

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