For frequent motor starting Y- starting circuit

  
Circuit shown in Figure 3-41. This circuit Y- transfer process, contact KMi turned off again experienced a process of turning that motor is transitioned in case of power failur
For frequent motor starting Y- starting circuit - schematic

e; in addition, KM3 main contact is disconnected when KMz it can be turned on, the two can not simultaneously in the ON state, thereby avoiding frequent start due to a short circuit fault occurs.




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