西门子6AV2123-2GA03-0AX0

6AV2123-2GA03-0AX0

由于这种启动方法从一开始就以大转矩开始旋转，因此仅几个模式（在该波形图中为4个 ST_CLK）即可获得足够的感应电压，并利用感应电压进入稳定驱动状态。也就是说，通过检测感应电压进行启动的方法所存在的问题——启动需要时间得到了改善。

关键要点：

・三相全波无刷电机“通过检测永磁体停止位置来启动的方法”可以避免“通过检测同步运行时的感应电压来启动的方法”所存在的课题——反转和低转矩启动，并改善了启动时间较长的问题。

・在三相全波无刷电机传感器的通过检测永磁体停止位置来启动的方法中，要检测永磁体的停止位置，需要在电机不旋转的短时间内进行6种模式的通电，并确认大（或小）电源电流的模式。

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