Application scenario: Knitting large circular machine 
Usage time: February 2019 
Product used: Sanchuan Electric S2800A series frequency converter 
Usage scenario: The Sangchuan S2800A series adopts enhanced current vector control (SVC), equipped with an upgraded DSP main control chip, providing more precise speed control, faster torque response, and excellent low-frequency output performance, perfectly adapting to the usage scenarios of large circular machines. 
High-performance vector control: SVC control technology offers faster torque response and higher speed stability, ensuring uniform yarn tension and reducing the risk of yarn breakage. 
2. Flexible Control Mode: Supports V/f control, V/f separate control and torque control, meeting various process requirements and having strong adaptability; 
3. Stronger low-frequency output: Optimized low-frequency torque output, ensuring smoother startup of the large circular machine and avoiding mechanical shock; 

4. Stable and reliable: Industrial-grade protection design, strong anti-interference capability, capable of operating in high-temperature and high-humidity environments, ensuring continuous and stable operation.