07
2023
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02
On the Speed Range of Variable Frequency Speed Regulating Motor
Author:
Summary
Variable frequency speed regulating motor is also called variable frequency motor.
Variable frequency speed motor, also known as variable frequency motor, model said YVP,Variable frequency speed motorThe principle is realized through a matching frequency converter. For example, the frequency converter connects the power frequency alternating current directly connected to the stator winding to the frequency converter first, and rectifies the power frequency alternating current through electronic current conversion technology inside the frequency converter and then inverts it, so that the output alternating current can be controlled by frequency change. Changing the frequency through the frequency converter can reduce the rotating speed of the motor and ensure its output appropriate torque.
Then the scope of the variable frequency speed motor is how much? We can analyze and understand this way. For example, the frequency conversion range of the frequency converter is 5HZ-85HZ, but it is recommended to use the ideal range of 20HZ-60HZ. Take a 4-pole motor as an example. The rated speed of the 4-pole motor is 1450 revolutions and the rated frequency is 50HZ. Then we can pass 1450/50=29 revolutions/HZ, so when the frequency conversion range of the frequency converter is 5HZ-85HZ, the correspondingVariable frequency motorThe speed range is 145-2465 rpm.
If the variable frequency motor also needs to be equipped with a reducer to reduce the output speed, when the speed ratio of the reducer is 10, then the final output speed of the variable frequency reducer motor is in the range of 14.5-246.5.
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