Two-speed motor shifting principle
2024-01-27 07:08:24
The principle of shifting the two-speed motor is:
The shifting of the motor takes the way of changing the winding connection, that is to say changing the speed of the pole by changing the number of pole pairs of the rotating magnetic field of the motor.
Two-speed motor (fan), usually low speed, sometimes the fan rotates at high speed, mainly by changing the winding connection mode of the motor coil by switching the following external control lines.
1. Two common pole pairs of different pole pairs are embedded in the stator slot, and the connection of the stator windings of the motor is changed by switching the external control circuit to realize the change of the magnetic pole pairs;
2. Two independent windings of different pole pairs are embedded in the stator slot;
3. Two independent windings of different pole pairs are embedded in the stator slot, and each winding can have different connections.
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