The Shaoxing Sewage Treatment Mill started to run in 2001.Its handle technology requires achieving exaltation of sewage,so the converter technique is being used in the water pump control fully widely.

• 绍兴污水处理厂于2001年开始运行,其处理工艺中需实现污水的提升,变频技术在水泵的控制中应用十分广泛。