SOLAR WATER PUMP USING SUPER CAPACITOR ENERGY STORAGE SYSTEM

Electrical Engineering

There are many agriculturists who have cultivated in area far away from water source in India, thus, farmer needs to install water-pumping system to irrigate their farm area. Solar water pump system is one of system that is applied photovoltaic panel for water pump as power source. In daytime, photovoltaic panel can generate power and storage in Supercapacitor bank to be used later without concerning over weather. Another benefit from system is to reduce energy cost and environmental impact compared to traditional diesel water pump. Therefore, this paper aims to design and develop solar water pump with charger controller for batteries. Performance of solar water pump system in terms of temperature, voltage, and current have been evaluating in this study. The variable output of renewable such as solar causes fluctuations of power flow that can adversely affect power system operation, especially at high levels of penetration. The coordination of multiple energy storage solutions can mitigate integration challenges by providing a buffer from variable renewable. This paper presents the integration of super capacitor energy storage that can then be used in combination with other energy storage solutions such as batteries to enhance the overall energy storage solution. Control algorithms are developed for the super capacitors to enhance the stability of the power system. In addition, a key parameter that is analyzed is the effective super capacitor energy rating and state of charge (SOC). This paper has presented design and development of solar water pump. The performance of this system has been evaluated using electrical data and temperature from photovoltaic panel and energy storage device throughout the day. The results have indicated that current and voltage generated from photovoltaic panel mainly depended on solar irradiation and temperature. In energy storage part, for battery charging at constant voltage, charging current is less than current from photovoltaic panel due to power loss that occurs in equipment and copper wire. The performance analysis has shown the effectiveness of solar water pump compared to diesel engine water pump that farmer has normally used. The proposed solar water pump can be effectively employed in cultivated area located far away from water source.

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