Y-△ starting circuit for frequently starting motors
Source: InternetPublisher:武林萌主 Keywords: Motor starting circuit BSP Updated: 2021/12/29
The circuit is shown in Figure 3-41. During the Y-△ transfer process of this circuit
, the contactor KMi goes through
the process of on, off and on again, that is, the motor completes the conversion when the power is off; in addition, the main contact of KM3 is when KMz is disconnected. They cannot
be connected at the same time, so short-circuit faults caused by frequent starts can be avoided.
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