YVF3 Series Variable Frequency Three-Phase AC Asynchronous Electric Motor

The Harmonic Electromagnetic Noise and Vibration of the YVF3 Variable Frequency Motor Are Small.

The vibration and noise of ordinary asynchronous motors due to electromagnetic, mechanical, ventilation, and other factors have become more complicated. Each time the harmonics contained in the variable frequency power supply will interfere with the inherent spatial harmonics of the electromagnetic part of the motor, thereby forming various electromagnetic exciting forces. When the frequency of the electromagnetic force wave is equal to or close to the natural vibration frequency of the motor body, resonance will occur, thereby increasing noise. Because the motor has a wide operating frequency range and an extensive range of speed changes, it is difficult for the frequency of various electromagnetic force waves to avoid the natural vibration frequency of each component of the motor. However, the YVF3 variable frequency motor can effectively solve these problems. YVF3 variable frequency motor can cope with frequent starting and braking. The variable frequency motor can solve the efficiency, temperature rise, insulation strength, noise, vibration, and cooling problems of ordinary asynchronous motors. Frequent starting and braking will bring fatigue and accelerated aging to the mechanical and insulation structures. , Can also effectively reduce the instantaneous voltage when the motor starts.

YVF3 Variable Frequency Motor Has a Long Service Life.

When the motor is running, the carrier frequency is about several thousand to ten thousand Hz, which makes the stator winding of the motor withstand a high rate of voltage rise, which is equivalent to the steep impulse voltage applied by the motor, which makes the motor's turn insulation Withstand a more severe test. However, the YVF3 variable frequency motor can work under rectified and filtered voltage with more stable performance and longer service life.

YVF3 Variable Frequency Motor Saves More Energy.

All household appliances produce harmonic voltage and current to varying degrees during the motor's operation, so the engine runs under non-sinusoidal voltage and current. High-order harmonics will increase rotor copper loss, iron loss, and additional motor stator loss, the most significant of which is the team copper loss. Because the ordinary AC asynchronous motor rotates at a synchronous speed close to the fundamental frequency, the high-order harmonic voltage will cut off the rotor bar with a significant slip rate, resulting in large rotor loss. In addition, the extra copper consumption caused by the skin effect should also be considered. These losses apply to the additional heating of the motor, thereby reducing efficiency and output power. However, if the YVF3 variable frequency motor is used, its energy consumption can be reduced by about 20%-30%.

Main Applications of YVF3 Series Three-phase Motors

YVF3 series low-voltage high-power variable frequency three-phase asynchronous motors are general-purpose cage-type three-phase asynchronous motors, which can be used for general variable frequency speed regulation power machinery, and are widely used in metallurgy, water supply, oil fields, ports, mines, etc.