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本文介绍单台变频器实现多台水泵的软启动与恒压供水方法以及怎样解决水泵电机的变频调速器供电与电网供电相互快速切换的技术难点，实现变频调速器的安全运行。
This article describes a single inverter to achieve more than one pump soft start and constant pressure water supply method and how to solve the pump motor inverter power supply and power supply each other to quickly switch the technical difficulties and achieve the safe operation of the inverter.