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Briefly describe how Solar fan motor products work

Briefly describe how Solar fan motor products work

(Summary description)Solar fan motor products such that two currents with a difference of 90 degrees in time are passed into two windings with a difference of 90 degrees in space, which will generate a rotating magnetic field in space.

Briefly describe how Solar fan motor products work

(Summary description)Solar fan motor products such that two currents with a difference of 90 degrees in time are passed into two windings with a difference of 90 degrees in space, which will generate a rotating magnetic field in space.

Information

Solar fan motor products such that two currents with a difference of 90 degrees in time are passed into two windings with a difference of 90 degrees in space, which will generate a rotating magnetic field in space. Under the action of this rotating magnetic field, the rotor can start automatically. After starting, when the speed reaches a certain level, the starting winding is disconnected by means of a centrifugal switch or other automatic control device installed on the rotor, and only the main winding works during normal operation.

Solar fan motor products

Therefore, the starting winding can be made into a short-time working mode. But in many cases, the starting winding is not disconnected. We call this kind of Solar fan motor products a single-phase motor. To change the direction of this motor, just replace the terminal of the auxiliary winding. In single-phase Solar fan motor products, another method of generating a rotating magnetic field is called the shaded pole method, also known as a single-phase shaded-pole motor. The stator of this kind of motor is made of salient pole type, with two poles and four poles. Each magnetic pole has a small slot at the 1/3--1/4 full-pole surface, divides the magnetic pole into two parts, and sets a short-circuit copper ring on the small part, as if covering this part of the magnetic pole, So it is called shaded pole motor.

Solar fan motor products single-phase windings are set on the entire magnetic pole, the coils of each pole are connected in series, and the polarities generated must be arranged in order of N, S, N, S when connecting. When the stator winding is energized, the main magnetic flux is generated in the magnetic pole. According to Lenz's law, the main magnetic flux passing through the short-circuit copper ring generates an induced current in the copper ring that lags 90 degrees in phase. The flux also lags behind the main flux in phase, and the effect of Solar fan motor products is equivalent to that of the starting winding of a capacitive motor, thereby generating a rotating magnetic field to make the motor turn.
 

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