Design of a shared photovoltaic pumping system for irrigation to save on the cost of construction and maintenance

Document Type : Original Article

Authors

Department of Mechanical Engineering, North Tehran Branch, Islamic Azad University, Tehran, Iran

Abstract

In this paper, a novel combination of a photovoltaic solar pump system designed to eliminate the water needed for irrigation of arable land. In this survey, efforts have been made to provide a cost-effective design according to the concept of participation of several gardens in the system and setting up the system. The presented system is a good option for areas and fields that are far from the grid and the grid delivery is very costly and very difficult. The study has been carried out with regard to various parameters such as monthly changes in the required power due to radiation changes, changes in the total system voltage in different months based on the lowest temperature and maximum voltage at the effective temperature of the panels per month. This system is designed for grazing irrigation of 5 plots of land each with a total area of 2 hectares around the city of Arak. Then, according to the irrigation period and the area of land, the required amount of water per day is calculated and in the next steps the pump power is chosen and according to the elements of a photovoltaic system, the amount of energy needed to work the pump in each calculation and the level of the solar panels required to supply the system's energy requirements are met. Finally, the presented design has been compared with the design of the most common photovoltaic system which represents better performance and lower cost for the proposed system.

Keywords

References

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History

  • Receive Date: 29 December 2018
  • Revise Date: 13 May 2019
  • Accept Date: 02 July 2019

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