针对液压站多台大功率液压泵电机的启动问题，本文采用PLC做为控制器，结合软启动器，根据设备负载特性确定启动模式，实现1台软启动器拖动3台液压泵的软启动。% Soft starting with one soft starter to actuate three hydraulic pumps is realized by using PLC as controller and determining the start mode based on the load characteristic to solve the problem about starting several high-power motors of hydraulic pumps in a hydraulic station.
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