Is the inverter equipped with a good motor or a variable frequency motor? -Solutions - Huaqiang Electronic Network

Single-chip microcontroller STM32L151CCU6

High-frequency probe JTK-50L-Q with 5 needles for precision measurements

Shunluo high-frequency inductor, parallel stack inductor, and shun winding inductor – authorized agent

Photocoupler for electrical isolation and signal transmission

1. Is it necessary to adjust the speed of an inverter speed control system from 50Hz down to 0Hz? 2. If your current speed control system operates within a range of 5Hz to 25Hz, it can be modified to function between 25Hz and 50Hz. 3. This approach involves using an appropriate gear ratio so that the inverter's operating frequency falls into a higher frequency band, which helps reduce the impact of low-frequency cooling. 4. When the inverter runs at a higher frequency, the motor's efficiency improves, leading to better overall system performance. 5. When a frequency-controlled motor operates at power frequency (50Hz), its efficiency is lower compared to a standard motor. 6. Standard motors are designed for general use, while variable frequency motors are not necessarily high-efficiency models. 7. Therefore, I recommend using a combination of an output reactor, a standard asynchronous motor, and a cooling fan. This method is flexible, easy to implement, and requires less investment.