PLC在三相交流异步电动机变频调速中的应用
Application of PLC in Frequency-conversion Speed Regulating for AC 3-phase Asynchronous Motor
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Abstract: The application of PLC in system of frequency-conversion speed regulating for AC 3-phase asynchronous motor was introduced in the paper. The design of the system’s software and hardware were given out, and the control method and working principle were expounded.
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Key words:
- asynchronous motor /
- frequency-conversion speed regulating /
- closed loop control /
- PLC
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