As the most widespread energy-saving motor product in fan and water pump application equipment, variable-frequency speed-regulating motors are not known to customers in many environments as to the difference between variable-frequency speed-regulating motors and ordinary industrial frequency motors. Motor manufacturers will clarify the difference between variable-frequency motors and industrial frequency. The difference of motors.

　　From the appearance point of view, there is not much difference between variable frequency motors and ordinary industrial frequency motors, but there is a big difference between the two in terms of function and utilization.The frequency conversion motor is powered by a frequency conversion power supply or a frequency converter. The speed of the motor can be changed. The frequency conversion motor can run at a constant torque or constant power at a certain frequency, while the ordinary industrial frequency motor is powered by the industrial frequency power supply and its rated speed is reliable. of.

　　From the layout point of view, the fan blades of ordinary power frequency motors are firmly attached to the motor shaft and move with the motor rotor at the same time. The heat dissipation efficiency is related to the motor speed. The variable frequency motor is equipped with an independent axial fan to conduct heat dissipation. Yes, it can guarantee that the variable frequency speed regulation motor will not burn the motor due to low speed operation.

　　In addition, variable frequency motors are subject to high-frequency magnetic fields or high-frequency sub-waves. Therefore, when designing and producing variable-frequency motor manufacturers, the insulation grade of variable-frequency motors is higher than that of ordinary motors. The slot insulation and copper wires of variable-frequency motors are recycled with better quality materials. In order to improve the withstand ability of the high frequency attack wave of the variable frequency speed control motor.

　　Variable-frequency speed-regulating motors can also be called special-purpose motors for frequency conversion, which can be adjusted arbitrarily within the scope of their speed regulation, while general industrial frequency motors can only operate under the conditions of rated voltage and rated frequency.Some motor manufacturers have designed broadband motors with a smaller conditioning range, which can guarantee the use of frequency conversion in a small range, but the range should not be too large, otherwise the electrical timing may even be burned due to fever.

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