Photovoltaic Direct Drive Water-saving irrigation System and Its Optimization Design Method

Abstract Photovoltaic irrigation has been widely used in many areas without conventional energy sources. In order to solve the problem of unstable operation and poor uniformity caused by diurnal variation solar radiation, a photovoltaic direct-drive water-saving system with automatic regulation was proposed. By using control technology method zonal rotation irrigation, all electric generated panels can be converted into under different light intensities, so that equipment work stably regions is ensured regions. According characteristics resources water-pumping units, optimum design put forward. The minimum capacity meet demand certain area, which guide engineering greatly improve quality utilization rate. It advantages simple design, low cost, stable energy-saving ring.