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There are many types of single-phase motors. Different motors have different starting methods. Today, the editor of Dalan Motor will introduce the different starting methods of single-phase asynchronous motors:
1. The split-phase starting type is assisted by the auxiliary starting winding, and its starting torque is not large. The running speed remains roughly constant. Mainly used in electric fans, air conditioner fan motors, washing machines and other motors.
2. The centrifugal switch is turned on when the motor is at rest. After the power is supplied, the starting capacitor participates in the starting work. When the rotor speed reaches 70% to 80% of the rated value, the centrifugal switch will automatically open, the starting capacitor completes the task and is broken. open. The starting winding does not participate in the running work, and the motor continues to operate with the running winding coil.
3. The centrifugal switch is turned on when the motor is at rest. After the power is supplied, the starting capacitor participates in the starting work. When the rotor speed reaches 70% to 80% of the rated value, the centrifugal switch will automatically trip, and the starting capacitor completes the task and is disconnected. open. And the running capacitor is connected in series
The starting winding participates in the operation. This connection method is generally used in places with large and unstable loads such as air compressors, cutting machines, woodworking machines. Capacitor start operation type wiring circuit motor with centrifugal switch, if the motor cannot start successfully in a short time, then The winding coil will burn out soon.
The three types of single-phase motors have their own advantages and disadvantages. The split-phase starting type is safer than the following starting methods, but the split-phase starting type is only suitable for small equipment, and it is generally more suitable for household appliances. . The starting method of capacitors relies on the magnetic field generated by the different winding methods of the wire to start the movement of the single-phase motor. It is suitable for large-scale mechanical equipment. So although the two have advantages and disadvantages, the choice should be different according to different machines. Single-phase motor starting method.
----- Responsible Editor: Dalan Oil Pump Motor 02-Procurement Consultant
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