Last timeMori machineXiaobian says that frequency conversion speed regulation is improved by changing the frequencyThree-phase asynchronous motorMagnetic field speed, today we will understand the pole change speed.

       Pole change speed regulation means by changingThree-phase AC asynchronous motorThe connection of the stator winding to change the pole number of the motor to achieve speed regulation. Let's look at the formulaN=60*f/PTo change the pole is to changePThis value to achieve the effect of speed regulation; According to the formula, we can see ifPThe smaller, the relativeNThe higher it will be. Changing the number of magnetic poles of the motor can change the speed of the motor.

       However, the number of magnetic poles of the motor is increased exponentially, so the speed is also a phased rise, and it is impossible to achieve stepless speed regulation. Of courseThree-phase squirrel-cage induction motorThe number of poles of the rotor can be adapted to the number of winding poles of the stator, and this method is generally used for speed regulation.

       The above content is composed ofThree-phase asynchronous motor manufacturersMori machineIt is provided,19Year motor brand,3KWThe following small power motor manufacturers. If you want to know more about this type of motor or are interested in learning about our products, please leave a message online or call us directly0575-8378-1127.