Principle of energy-saving by this method is disserted.This paper analyses and calculates the run efficiency of parallel-connected pumps co...

• 对一台恒速泵和一台变频调速泵并联运行时的效率进行了分析,并对应用实例进行了计算,注水站的效率比原来提高了9．04%25,收到了显著的节能效果。