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１立项背景及技术创新点水资源及能源紧缺是制约我国经济发展的重要因素，节水节能是我国社会经济持续发展的基本国策．美国从２０世纪９０年代将变频节水节能技术应用于平移式、轴转动式喷灌机及管道灌溉等系统，经测试其节能率为３９％～５６％，节水率为１５％～３０％，既
1 Project background and technological innovation Water resources and energy shortage is an important factor that restricts China’s economic development. Water-saving and energy-saving are the basic national policies for the sustainable social and economic development of our country. The United States from the 20th century, 90 years of frequency-conversion water-saving energy-saving technology is applied to the translational, axial rotary irrigation and pipe irrigation systems, the test of its energy efficiency rate of 39% to 56%, water saving rate of 15% to 30% Both