The vfd asynchronous motor, same as variable-frequency three-phase asynchronous motor, complies with national and international standards" Its important advantages include a wide speed range, excellent starting performance, and stable operation. Although its energy efficiency rating is slightly lower than that of the newer YE3/YE4 variable-frequency motors ,VFD AC asynchronous motor, it is still widely used in small and medium-power applications.
It is suitable for applications with large load fluctuations, frequent starts and stops, or stepless speed regulation. VFD AC asynchronous motor for single phase to three phase.
Typical Applications include
Industrial fans and pumps
Transmission and conveying machinery
Small and medium-sized machine tools and processing equipment.
Case study: A 15kW VFD asynchronous motor circulating water pump in a chemical plant reduced its annual power consumption from 130,000 kWh to 78,000 kWh after variable-frequency operation, achieving a 40% energy saving.
In fields with strict requirements for speed control accuracy and environmental adaptability, VFD asynchronous motor are the preferred solution.
Medical equipment
Application equipment: MRI cooling fan, surgical robot drive shaft, hemodialysis machine pump body.
Core function: The speed accuracy is controlled within ± 0.1% to avoid vibration affecting the accuracy of medical testing, while meeting the requirements of sterility and low noise (≤ 25dB).
Mining and Metallurgy
Application equipment: Mining crusher drive motor, metallurgical rolling mill roller motor, steel making blast furnace blower.
Core function: High protection (IP65), high temperature resistance (120 ℃ environment) design, suitable for dust and high temperature working conditions; Strong overload capacity, able to cope with ore impact and rolling mill load fluctuations.
| Rated power | 0.75kW ~ 315kW |
| Rated voltage | 380V±10% |
| Rated frequency | 50Hz(basic),range:5Hz ~ 100Hz |
| Poles | 2 ;4 ;6 ;8 |
| Power factor (cosφ) | 0.75 ~ 0.90 |
| Max blocking torque multiple | 2.2 ~ 2.8 |
| Height | 80mm ~ 355mm |
| Mounting | B3 (horizontal with feet), B5 (vertical flange), B35 (horizontal with feet and flange) |
| Protection level | IP54 (dust and splash proof) standard; IP55 |
| Insulation level | F (maximum temperature 155°C) |
| Cooling method | Standard IC411, high power (≥110kW) optional IC416 (forced ventilation) |
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