Abstract
Abstract Modern agriculture, orcharding, gardening, as well as the use of grassy sports fields cannot be realized without irrigation. Such a procedure requires water and energy resources. Water resources define even consideration for the possibility of irrigation, while energy source is the second task which must be satisfied. Nowadays, using renewable energy sources for irrigation is a very promising solution, despite the still extensive use of fossil fuels. Application of the solar photovoltaic (PV) energy is a very promising solution, due to the availability of insolation and its overlapping with water needs for the plant growing. PV energy could be implied in isolated and remote locations and islands, as well as in desert areas. This paper will give insight into the actual "state of the art" of using solar photovoltaic energy for the purpose of the irrigation.
Highlights
When passing through the atmosphere, the solar radiation diminishes in intensity because it is partially reflected and absorbed
Usual configuration of the solar photovoltaic (PV) irrigation system with water reservoir is shown on Figure 13 [21]
Water is pumped into the water reservoir through operational work of the pump through available insolation
Summary
When passing through the atmosphere, the solar radiation diminishes in intensity because it is partially reflected and absorbed (above all by the water vapor and by the other atmospheric gases). Due to the review of the literature, real case studies, as well as scientific research, there are three types of the solar Photovoltaic (PV) water irrigation systems. These are PV irrigation systems without battery storage or water reservoir, PV irrigation systems with battery storage, and PV irrigation systems with water storage. “On-grid” refers to the connection with the available electro-energy grid. “Off-grid” refers to the PV irrigation system which has full autonomy, without connection to the electro-energy grid. Considering the stated, presented material will give insight into the actual “state-of-the-art” of the application of the solar photovoltaic irrigation system
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