solar powered water pumping system

presentation on the solar powered water pumping system

1. SEMINAR ON SOLAR POWERED WATER PUMPING SYSTEM PRESENTED BY RAHUL RAO MJ UNDER THE GUIDANCE OF B.DODDABASAVANA GOUD Associate Professor, Dept. of EEE  

2. CONTENTS Introduction Solar module Block Diagram of BCPS and DCPS Installing the system Advantages and disadvantages Applications Conclusion References

3. INTRODUCTION TO SOLAR WATER PUMPING Solar powered pumping systems convert the sun’s energy into DC power which runs a 12-volt, high volume water pump. The solar panel converts the sun’s energy to either run the pump directly or stores the energy in deep cycle marine batteries which in turn run the pump. A solar powered water pumping system is made up of two basic components. These are PV panels and pumps. The aim of this article is to explain how solar powered water pumping system works and what the differences with the other energy sources are .

4. SOLAR MODULE The power supply consists of PV panels, -PV panel produce Direct Current(DC) and are made up of many cells wired in series. The smallest element of a PV panel is the solar cell -Each solar cell has two or more specially prepared layers of semiconductors material that produce DC electricity when exposed to light. One or more solar panels installed together is called a solar array.

5. HOW DOES PV CELL WORKS??

6. TYPES OF SOLAR POWERED WATER PUMPING SYSTEM There are two basic types of solar powered water pumping systems, 1)Battery coupled solar water pumping system. 2)Direct coupled solar water pumping system. A variety of factors must be considered in determining the optimum system for a particular application.

7. BLOCK DIAGRAM OF BATTERY COUPLED SOLAR WATER PUMPING SYSTEM

8. BATTERY COUPLED SOLAR WATER PUMPING SYSTEM Battery based water pumping system consists of photovoltaic(PV) panels charge controller, batteries , pump controller and DC water pump, Water supply for home or cabin. Pumping at night. 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. The use of batteries spreads the pumping over a longer period of time by providing a steady operating voltage to the DC motor of the pump. Thus, during the night and low light periods, the system can still deliver a constant source of water for livestock.

9. BLOCK DIAGRAM OF DIRECT COUPLED SOLAR WATER PUMPING SYSTEM

10. DIRECT COUPLED SOLAR WATER PUMPING SYSTEM In solar direct pumping system electricity from the PV modules is sent directly to the pump which in turn pumps water through a pipe to where its needed. Solar direct pumping systems are sized to store extra water on sunny days so it is available on cloudy days and at night. Water can be stored in a larger than needed watering tank or in a separate storage tank and then gravity fed to smaller watering tanks.

11. SELECTING SOLAR POWERED WATER PUMPING SYSTEM Cost is a factor that must be considered when selecting a solar powered system. Total cost depends on many factors such as the type of system (Direct coupled, battery coupled) daily water requirements, complexity of the water delivery system etc. For example low volume solar pumping system keep costs down when compared to higher output solar pumping system by using a minimum number of solar panels and by using the entire daylight period to charge batteries or pump water.

12. INSTALLING THE SYSTEM When choosing a site, it is essential to avoid trees or other obstructions that could cast shadows on the solar panels and reduce their output. The solar array should be mounted facing due south in a location where they receive maximum sunlight throughout the year. Solar panels produce the most power when they are pointed directly at the sun. For maximum energy collection, the panel should be perpendicular to the sun.

13. ADVANTAGES Low operating cost. Fuel free. Environmental friendly. Easy transportation.

14. DISADVANTAGES Less output during cloudy days. Water quality.

15. APPLICATIONS Agriculture livestock watering / crop irrigation, home gardens and drip irrigation systems. Domestic portable water for remote homes. Pond water management and water transfer. Water supply for villages in developing world.

16. CONCLUSION Photovoltaic power for irrigation is cost competitive with traditional energy sources for small, remote applications ,if the total system design and utilization timing is carefully considered and organized to use the solar energy as efficiently as possible. In the future, when the prices of fossil fuels rise and the economic advantages of mass production reduce the peak watt cost of the photovoltaic cell, photovoltaic power will become more cost competitive and more common.

17. REFERENCES “Solar Powered Water Pumping Systems ”, B. Eker Trakia Journal of Sciences, Vol. 3, No. 7, pp 7-11, 2005 “ Design of Photovoltaic Water Pumping System and Compare it with Diesel Powered Pump ”, M.Abu-Aligah Volume 5, Number 3, June 2011 ISSN 1995-666 “ Solar Water Pumping System ”, Prof. G. M. Karve ISSN 2250-2459, ISO 9001:2008 Certified Journal, Volume 3, Issue 7, July 2013 “ Solar Photo Voltaic Water Pumping: Harnessing Maximum Power ”, ACEEE Int. J. on Electrical and Power Engineering, Vol. 4, No. 1, Feb 2013

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