The last time we knew about itTwo-speed motorThe winding of the coil is connected this timeMori machineXiaobian take you to understand the connection method of this motor stator winding.

       Let's start with the following image:

       This diagram is about the two common connections of the stator winding of the two-speed motor: First look at the diagram (1) and graph (3Is a winding from a triangle to a double star connection mode conversion, the graph (1) connection mode converted to graph (3The connection mode shown; Another way is to change the winding from single star to double star as shown in Figure (2) and graph (3As shown, the graph (2) connection mode converted to graph (3Both of these connections can reduce the number of magnetic poles generated by the motor by half even if the motor speed is doubled.

       Two-speed motorThe winding is changed from a single star to a double star connection, which is toYConnect toYYIn connection, the winding of each phase is changed from series to parallel, so that the number of magnetic poles can be less. Under normal circumstances, using this switching method, the rated torque of the motor remains unchanged after the pole change speed regulation, so the social drag constant torque nature of the load is compared.

       Three-phase asynchronous motor manufacturersMori machineProduced by this modelTwo-speed motorIt has high mechanical strength, reasonable structure, beautiful appearance, stable and reliable operation performance, high energy efficiency and energy saving, Low vibration Low noise features, high precision rotor, intelligent dynamic balance debugging, stable operation, wear resistance, low noise, long service life.

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