6SL3760-0KA00-0AA0

6SL3760-0KA00-0AA0

直流伺服电机的优缺点

优点：速度控制，转矩速度特性很硬，控制原理简单，使用方便，价格便宜。

缺点：电刷换向，速度限制，附加阻力，产生磨损微粒(无尘易爆环境不宜)。

直流伺服电机基本构造与一般直流电动机相似。 电机转速n=E/K1j=(Ua-IaRa)/K1j，式中E为电枢反电动势，K为常数，j为每极磁通，Ua、Ia为电枢电压和电枢电流，Ra为电枢电阻，改变Ua或改变φ，均可控制直流伺服电动机的转速，但一般采用控制电枢电压的方法，在永磁式直流伺服电动机中，励磁绕组被磁铁所取代，磁通φ恒定。**直流伺服电动机具有良好的线性调节特性及快速的时间响应。**

交流伺服电机的优缺点

优点：速度控制特性良好，在整个速度区内可实现平滑控制，几乎无振荡，90%以上的率，发热少，高速控制，高度位置控制(取决于编码器精度)，额定运行区域内，可实现恒力矩，惯量低，低噪音，无电刷磨损，免维护(适用于无尘、易爆环境)。

缺点：控制较复杂，驱动器参数需要现场调整PID参数确定，需要更多的连线。

6SL3760-0KA00-0AA0  

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C5102-0020

C6140-0030

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C6340-0040

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C6920-0000

C6920-0030

C6930-0020

C9900-A140

C9900-A511

C9900-B139

C9900-E104

C9900-E132

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