The use of solar energy into the energy we need is the most environmentally friendly, and now to introduce the use of solar energy to build solar energy pump system, the selection and construction? First, how to build a good solar water pump system To build a good solar water pump system can improve the efficiency of the entire system, the following is the construction of solar water pump system Note: (1) the installation of solar modules: solar modules installed in the perennial position should not have shade or obstruction , But also have sufficient direct sunlight, the installation angle with the ground can refer to the local latitude to decide, to ensure that the components can get the maximum amount of light radiation; (2) solar pump controller choice: should choose high visibility, good product quality Of the manufacturers, to choose the tracking accuracy and conversion efficiency of products, tracking accuracy and conversion efficiency will have a direct impact on the pumping effect; (3) antifreeze treatment: installation in the alpine region, the system should be made of antifreeze pipelines, the need to pipe Depth below the freezing line, the water can not be stored within the winter pipe, or may lead to pipe rupture due to icing. Second, the system components and technical solutions Solar water pump system consists of solar modules, solar pump controller and pump components, according to the project's various parameters, the technical staff proposed a multi-line technology solutions, the system structure as shown below: (1) Pump design and selection project requires water delivery head to reach 250m, taking into account the impact of tube resistance and weather, etc., head lift to 1.6 times, according to 400m head design. In order to meet the water flow requirements, select flow of 23 cubic meters / hour, pressure 4Mpa 37KW plunger pump (electric reciprocating pump) 4, 3 parallel work, one as a backup; (2) solar pump controller design and selection Due to the thin air in the plateau area and the large temperature difference between day and night, there are certain requirements on the heat dissipation performance of the solar pump controller and the temperature resistance of the electronic components. 3 PDS23-4T075 solar pump controllers were used in the scene to drive the water pump to run. (3) 245W polycrystalline components were selected on site for solar module design selection. Considering the factors of temperature, light and loss, the PV installed capacity was 160KW, Pumps provide energy and power; (4) Design projects such as reservoirs Two-level reservoirs have been constructed. The first reservoir is the total reservoir with a capacity of 400 cubic meters and the second reservoir has a capacity of 100 cubic meters. Make full use of the mountain topography, the water in a reservoir by gravity diverted to other secondary reservoir, to avoid repeated pressurization. Multi-on-line solar pump system work process: The work process is that when the light is sufficient, the host starts running, after the controller of the maximum power point tracking operation of the test, and then start running on the 1st auxiliary, and finally start on the 2nd auxiliary. When the light is weakened, the speed of No. 2 auxiliary engine will be stopped first, and if the light intensity continues to weaken, No. 1 auxiliary engine will stop running. System can change according to the light intensity, automatically increase pump and pump operation. Third, the system operating results As the system uses the latest multi-line control technology to solve the previous stand-alone mode of pump unit utilization and the overall system efficiency is low. Multi-line system control mode, regardless of how the light changes, the system is always running at maximum power, according to changes in light intensity, adaptive, rapid adjustment of the state of the unit. And the controller built-in overcurrent, overload, overvoltage, undervoltage, lack of a variety of protection functions, self-diagnosis, self-reset fault, the system reliable and stable operation. As the solar pump controller built-in maximum power point tracking algorithm, tracking accuracy of 99%, the maximum conversion efficiency can reach 98%, sunny days, the system from 8 am until 7 pm, the working time of about 11 hours a day pumping About 345 cubic meters. In the cloudy, but also to ensure efficient operation of a unit. The following is a year of operating system data forecast: Read More: Pumps Valves Tube Fittings Exhibition Water Expo Xiamen Maritime Exhibition Internet + Forum Yiwu Expo Fair Mold Top Ten Brands 2016 Exhibition Information Industry Internet (Xiamen) Technology Co., Ltd. Author : Asia Pump Network Editor: Yao Xiaoxia (QQ / WeChat: 2355962924) http://beng.liuti.cn/ (Service Hotline: 400-6030-811)
