GE控制单元IC693MDL330LT

GE控制单元IC693MDL330LT

不同类型的交流伺服电动机具有不同的特点。笼型转子交流伺服电动机具有励磁电流较小、体积较小、机械强度高等特点；但是低速运行不够平稳，有抖动现象。

空心杯形转子交流伺服电动机具有结构简单、维护方便、转动惯量小、运行平滑、噪声小、没有无线电干扰、无抖动现象等优点；但是励磁电流较大，体积也较大，转子易变形，性能上不及直流伺服电动机。交流伺服电动机适用于0.1—100W小功率自动控制系统中，频率有50Hz、400Hz等多种。

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