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Low Prices Washing Machine Run Capacitor CBB60 400V 25/70/21 18uf

Why add capacitance to the motor Ac machine to connect capacitance, briefly said that capacitance is to play a phase difference, and let the motor magnetic field "asynchronous", the motor will rotate. Capacitor is used to split phase, the intention is to make the current in the two...

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Why add capacitance to the motor
Ac machine to connect capacitance, briefly said that capacitance is to play a phase difference, and let the motor magnetic field "asynchronous", the motor will rotate.


Capacitor is used to split phase, the intention is to make the current in the two spare set of nearly 90 ゜ phase, with a rotating magnetic field. In three-phase electricity, there is a phase difference in the current between every two phases. The capacitive induction motor has two windings, namely, the start winding and the running winding. The two windings differ in space by 90 degrees. A capacitor with a large capacity is connected in series on the engine winding. When the running winding and the engine winding pass through a single alternating current, the effect of the capacitor makes the current in the engine winding lead by 90 degrees in the moment, reaching the maximum value first. In time and space, two identical pulsed magnetic fields are formed to generate a rotating magnetic field in the air gap between the stator and the rotor. Under the effect of the rotating magnetic field, the induction current occurs in the rotor of the motor, and the interaction between the current and the rotating magnetic field produces the electromagnetic field torque, making the motor rotate.


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