Multivariate Analysis of a Wind–PV-Based Water Pumping Hybrid System for Irrigation Purposes

Ludmil Stoyanov, Ivan Bachev, Zahari Zarkov, Vladimir Lazarov and Gilles Notton
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Ludmil Stoyanov: Faculty of Electrical Engineering, Technical University of Sofia, 1000 Sofia, Bulgaria
Ivan Bachev: Faculty of Electrical Engineering, Technical University of Sofia, 1000 Sofia, Bulgaria
Zahari Zarkov: Faculty of Electrical Engineering, Technical University of Sofia, 1000 Sofia, Bulgaria
Vladimir Lazarov: Faculty of Electrical Engineering, Technical University of Sofia, 1000 Sofia, Bulgaria
Gilles Notton: Laboratory Sciences for Environment, University of Corsica, UMR CNRS 6134, 20000 Ajaccio, France

Energies, 2021, vol. 14, issue 11, 1-28

Abstract: The Green Deal and increased nutritional needs are driving factors in human activities nowadays. Agriculture is an essential economic sector that can profit from the application of renewable energy sources by the assimilation of off-grid, arid and barren terrains. Power supplied by hybrid systems for water pumping is a solution for overcoming the stochastic character of the renewable energy sources. This paper presents a sizing methodology for a hybrid system with wind and PV generation and water tank storage, based on the consideration of the entire energy conversion chain with energy models and a one-year operation simulation. The PV generator is modeled using a reduced Durisch’s model, while for the wind generator a piecewise interpolation is used. The methodology is applied for sites in Bulgaria with specific agricultural crops and meteorological data. Combinations of PV (different technologies) and wind (different types) generators and water tank capacities are considered and discussed. The combinations are compared on the basis of three criteria: the investment cost, the satisfaction of crop requirements and system oversizing. The possibility for the introduction of battery storage is also examined. The results show some trends in the hybrid system sizing and the possibility to apply the proposed methodology for various sites, generators and crops.

Keywords: hybrid system; wind generator; photovoltaic generator; water pumping; sizing methodology (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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