我国的机电排灌面积占总灌溉面积的50%,机电排灌总动力达七千万马力,占农村总动力的40%,是农村动力的最大用户.然而,大多数排灌泵站的装置效率很低,一般不到50%,有的甚至只有20%.再加上渠道渗漏,不讲科学用水,使得提水灌区水的利用率很低,这样必然大大增加能源消耗,因此,机电排灌的节能问题应引起高度重视. China’s electromechanical irrigation and drainage area of ​​50% of the total irrigated area, electromechanical irrigation and drainage total power of 70 million horsepower, accounting for 40% of the total rural power, is the largest user of rural power.However, most irrigation and drainage pumping station device is inefficient , Generally less than 50%, and some even only 20%. Coupled with the channel leakage, do not speak of scientific water, making water extraction irrigation water utilization is very low, this will inevitably greatly increase energy consumption, therefore, energy-saving mechanical and electrical drainage The problem should be given high priority.