In the examples above, based on the piping system described, the three pumps will provide 2. This might provide about 600 gallons on a sunny day from a fixed pv array. Solar water pumps the free power of the sun is the obvious choice for many pumping applications. September 2006 page vi abbreviations cbm community based management dp diesel water pump drws directorate of rural water supply dwa department of water affairs ghg green house gases hdpe high density polyethylene met ministry of environment and tourism. This solar system will pump water from the land which means underground water or nearby creek or river and will replace the use of gas powered pumping which is a costly operation for farmers. For design purposes pressure can be regarded as the work done by a pump to lift a certain amount of water up to the storage tank. The figure below demonstrates the positioning of the components in the system. Robust design with pressed stainless steel casing and an aluminium motor body. The experimental water pumping system proposed in this project is a standalone type without backup batteries. Solar pump accessories a full range of to complement our solar pumping systems. Hf friction losses in the piping circuit, which depend on the flowrate, fig 1. Rob goodier inventors have responded with thoughtful, detailed ideas for greenpeaces challenge to design a cleantech irrigation pump to replace dieselpowered pumps on farms in the southern indian state of bihar.
Psk2 hybrid solar water pumping system solar pumping systems for larger projects with hybrid power support. Feasibility assessment for the replacement of diesel water. Pumping systems design nyangasi 031412 page 3 of 15 a total static head the total static head hts in the pumping system is the water level difference between the suction and delivery reservoirs. Installation of solar water pumping system in potreritos. Dubai, uae remote desert site no access to electricity supply, installation and commissioning of 320 wp solar panels, water pump, power back up system robust system design system works without any user intervention number of systems installed. Solar pumps are used principally for three applications. The system pumps from 140 ft to fill a 1600 gallon water storage tank. Even if the farm land has a waterpump, manual involvement by farmers is required to turn the pump onoff when on earth needed. The water tank and the pond are separated by about 100 meters and communicate wirelessly. The most common pumps used in remote communities are. With the water pump and solar panel specifications mostly dependent on the amount of water necessary to properly irrigate the crops, it became clear that the main design driver was water needs. Off grid solar power system design step 1 duration. Total cost before subsidy for installation and commissioning of spv water pump system varies from rs. The farmers working in the farm lands are dependent on the rains and bore wells.
The installation of the pump will be at the bottom of the borehole. A proto type of hybrid solar water pump designed and enveloped has lifted the 20 lpm water to 6 meters height with the solar panel of 10w to charge the12 v 20ah battery to run 84w dc volumetric. This is shown in figure 1 for the two alternative suction arrangements. Study of solar pv water pumping system for irrigation of. Solar pumping water from a spring with high head requirement. Additionally, properly regulating the speed of the pump can produce a more consistent water flow and prolong the life. Sunrotor solar pump installation and resource manual. The primary aim of the project is to design and deploy a remote, solarpowered water pump controller to detect the level of water in a tank and pump in water from a remote source like a pond as and when required. Design of small photovoltaic pv solarpowered water pump systems. Additionally, properly regulating the speed of the pump can produce a more consistent water flow and prolong the life of the pump, as there will be less startups each day.
Step 1 determining your basic amount of water required per day. Introduction photovoltaic pv panels are often used for agricultural operations, especially in remote areas or where the use of an alternative energy source is desired. The necessary steps and key components needed to design and build a pump using photovoltaic system was examined by abualigah 2011. Every solar water pump can produce a range of flows and pressures. Basic schematic of a pumping system from a well to a storage tank. The elevation difference between the water source and storage tank determines the work, a pump has to. Without being exhaustive, we aim to offer with this training manual practical guidelines for the design, exploitation, management, maintenance and financial analysis of offgrid solar pumped water systems. Feasibility assessment for the replacement of diesel water pumps with solar water pumps prepared by.
Designing a solar pumping system there are many aspects of designing a solar pumping system. Direct coupled solar pumping system 5 in directcoupled pumping systems, electricity from the pv modules is sent directly to the pump, which in turn pumps water through a pipe to where it is needed figure 4. This guide provides the information to correctly select a pump, controller, sensors, solar array, wiring, and pipe. This second part of our blog series on solar water pumping. Installation of solar water pumping system in potreritos nicaragua with customdesigned tracking array. This project will consist of a water pumping system to supply potable water to an orphanage located in the chuluchosema community of malawi, africa. A surface pump is installed above the water, with an intake hose feeding the pump from the water source, and the output hose feeding the tank. With no fuel inputs and simple operation, swp are cheaper, cleaner and more reliable than diesel pumps. With no fuel inputs and simple operation, swp are cheaper, cleaner and. The system is very simple and consists of a single pv module, a maximum power point tracker mppt, and a dc water pump.
Calculation and design in of solar water pumping system youtube. This paper presents design and calculation analysis of efficient solar pv water pumping system for irrigation of asparagus. The process is broken down into the following steps. May, 2016 to optimize the amount water you can pump in a day it is important to use a pump controller, which are often referred to as a linear current booster mentioned in part 1 of this solar water pumping series. March 2 006 he manual tracking array was chosen by asofenix and made locally to allow future growth in system d. Be sure to read solar water pumping part 1 first to get a background on water solar water pumps are and what are common options. A solarpowered pump is a pump running on electricity generated by photovoltaic panels as opposed to grid electricity or diesel run water pumps. Solarpowered water pump design spreadsheet version ii. Manual or animal driven pumps hand pumps, waterwheel pumps are mainly used in developing countries to pump water for irrigation, but human and animal.
You can design a solar water pumping system with solar array panels, cables, solar pump inverter and a pump. Designing, modeling, and testing a solar water pump for developing. Designing, modeling, and testing a solar water pump for. It is reasonably accurate for clear summer weather, when water demand is greatest.
For this reason a borehole needs to be drilled to within 5 meters of the water table. Solar water pumps swp use electricity generated by photovoltaic pv panels to pump water from bore holes, wells or reservoirs directly onto fields or into a storage tank for gravity based irrigation. Two 12v, 17ah battery was incorporated in the pump system to ensure. Designing solar water pumping systems for livestock. The design process of the spvwps is broken down into various steps. The total static head therefore depends on the site conditions between the suction and delivery. The controller will get your pump to turn on earlier in the morning and stay on later into the day.
Solar water technologies systems are a high quality, valueadding solution in thousands of livestock watering and residential water supply installations worldwide. How to design a solar water pump3 phase induction motor. Feature article solar powered water pumping systems. The pump curves are published by pump manufactures. Enclosed is our proposed design for the drinking water supply system using solar power problem statement provided by adam a. The pumps will be started again one after the other when the water in the tank reaches a pre assigned level.
Abstracta new generation solar operated lowpower and low capital cost submersible diaphragm pump designed for medium head applications is evaluated in this paper. Water pumping introduction water pumping has a long history. Submersible pumps are sometimes suitable for either deep well or. The water cutoff switch is automatically set to disconnect power from the pump when the water in the tank gets to a preset level. Piping diameter, length, bends and restrictions such as valves also affect how much pressure is lost and needs to be created by a pump in order for water to flow. Ps2 solar water pumping system high efficiency solar pumps for small to medium applications. Feasibility assessment for the replacement of diesel pumps with solar pumps final report. Design of solar pv system for water pumping water requirement of the plant the water requirement of plants varies with time and depends on the season and growth of plants. The village will have a constant water demand although there is need to store water for periods of low insolation low solar radiation. Design of small photovoltaic pv solarpowered water pump. Solar water pumping systems in order to design and successfully implement solar water pumping systems, you need an understanding of several concepts as well as information specific to how you will use your system. Ps2 is designed to be field serviceable, the pump unit components and electronics are modular to allow for cost effective and fast replacement. Even if the farm land has a water pump, manual involvement by farmers is required to turn the pump onoff when on earth needed. The primary use of this pump is in providing water for remote homes and clinics, for.
The current water supply system in las delicias consists of 75 hp 56. It provides theoretical studies of photovoltaics and modeling techniques using equivalent electric circuits. Having a great feature set is only part of being a good solar water pumping system, what really matters is how efficient the system is. Edited by erin mcduff, administrative assistant, usda nrcs, portland. Typical layout for a solar powered water pump system. The water will be pumped from a nearby well up to a water tower located in the orphanage center. Morales, oregon state design engineer, united states department of agriculture usda. An ultrasound level detector is usually used for level detection.
The pump delivers peak flow rate when the water lift is between 05 meters. With the water pump and solar panel specifications mostly dependent on the amount of water necessary to properly irrigate the crops, it. Dc water pumps are highly efficient, solar energy is free, there is no need for expensive electrical connections to remote areas and installations are virtually maintenance free. First, the design has to begin with the water required for different crops over a period of time and the water source where the pump can be. The main requirements for our project include a solar power source to drive a water pump that can feed an irrigation system. A source of energy to pump water is also a big problem in developing countries like india. Design guide for solar water pumping dankoff solar products, inc. Developing a grid system is often too expensive because rural villages are. Batterycoupled water pumping systems consist of photovoltaic pv panels, charge control regulator, batteries, pump controller, pressure switch and tank and dc water pump figure 2.
You can see the working principle of solar pumping system. Piston pumps for water supply can be mounted above the water level in the source or below it submerged. Design of small photovoltaic pv solar powered water pump systems technical note no. A flat plate solar generates vapour and its pressure is adequate to pump water. The method shown here helps you select a costeffective pump and array to meet the daily water requirement. Solar water pumping part 1 basics solar power news. This system is designed to pump water only during the day. Design and simulation of photovoltaic water pumping system akihiro oi this thesis deals with the design and simulation of a simple but efficient photovoltaic water pumping system. How to size a pump pump sizing tutorial water supply pump duration. The aim of the research was to take a pump previously designed at the university of canterbury to further develop and refine the system to improve operation, performance, physical and operational design, as well as reliability and maintainability. The payback period of solar pv pump without subsidy replacing a diesel pump is about 9 years at a cost of diesel is rs.
Figure 21, the gila bend solar pump duffie and beckman, 1991 figure 22, the fluidyne solar pump pahoja, 1978 20 figure 23, low temperature bellow pump bhattacharyya et al. Step 1 determine if a submersible or surface pump is best for your project. The charge controller or solar pump controller includes a low water level cut off switch to protect the pump from damage in the event of drop in the boreholes water level below the suction of the pump. Mar 26, 2018 how to size a pump pump sizing tutorial water supply pump duration. Design, development and supply of the solar water pumping system. The electric current produced by pv panels during daylight hours charges the batteries, and the batteries in turn supply power to the pump anytime water is needed. Introduction recently the water demand has been increased due to the increase in the population and the availability of water has become more crucial than ever before. We choose the right materials and production techniques to give our products a long life, even in the most difficult dusty, hot, damp, cold, or dry conditions. Solar water pumps are typically divided into two categories. Design guide for solar water pumping dankoff solar.
This new solar system will aim to optimize and use less money in order to pump water to the farm for purposes such as irrigation. May 02, 2016 solar water pumps are typically divided into two categories. Regardless of the design, most pumping station buildings are designed with the. A photovoltaic solar powered pump system has three parts. The description of the system the design of the system can be outlined as being in various major parts. Our experience of having pump systems installed in over 150 countries over the past 20 years has taught us what is needed to design realiable products. In this blog post were going to show you how to size and determine the various basic components that make up a submersible solar water pumping system. The free power of the sun is the obvious choice for many pumping applications. Winrock provided technical assistance design loan product, matching with pump suppliers, green energy unit strategy, partner linking kuscco mobilizes saccos through 5 regional officers across the coutnry. Based on the calculated water storage capacity of 15,000 litres 3750 gallons, four gallon plastic tanks were selected for the water.
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