Three-phase motor double speed 2Y / Y connection speed regulation circuit

Published:2011/7/10 1:17:00 Author:Lucas | Keyword: Three-phase motor , double speed , 2Y / Y connection , speed regulation | From:SeekIC

When you press the start button STL, the AC contactor KML gets electric, then the motor M is connected as Y; when you press STH, the AC contactors 1KMH and 2KMH get power to pull in, then the motor M is connected as 2Y to operate in high speed. STP is stop button for the machine.



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