two speed ac control
... two speed 双扇（控制） two speed AC control 交流双速控制 two speed AC electric drive 双速交流电梯控制 ...
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双速交流电梯控制 two speed AC electric drive
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本文以三层电梯为设计对象，结合三垦vm 06系列恒转矩高性能变频器，开发出一套交流双速的PLC电梯控制系统。
In this paper, three elevators for the design of objects, combined with Sanken VM06 series of high-performance constant torque converter, developed a two-speed exchange of PLC elevator control system.
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