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6SL3352-3AG41-3AB0
同步电动机的启动方法需要用到起动器和同步开关等设备,一般有以下几种方式:
1. 常规启动方法:该方法相当于异步电动机的启动方法,通过在电动机的主线路中串接电阻或启动电容,减小电动机的起动时的反应力矩,使其匹配负载上调速的特性曲线。
2. 自动起动方法:该方法是在直流电动机的励磁回路中加入同步自动起动器,当直流电机达到速度时,自动使主极磁通与转子磁场同步,在电动机达到同步转速后自动跳开起动器,实现同步电动机的启动。
3. 机械启动方法:该方法通常用于大型同步电动机,通过外接机械技术驱动电动机的转子运动,等电动机转速达到同步速度后,再将机械驱动断开。
4. 启动时段分段法:在启动时通过逐步增加电源或逐步加大电源的电压或逐步降低加速电源的电压,并逐步增加负载,以使电动机日过逐渐达到同步速度。
以上是同步电动机一些常用的启动方法,需要根据电动机的实际情况选择。
6SL3352-3AG41-3AB0
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