Impact of solar tracker and energy storage system on sizing of hybrid energy systems: A comparison between diesel/PV/PHS and diesel/PV/FC

Sina Makhdoomi and Alireza Askarzadeh

Energy, 2021, vol. 231, issue C

Abstract: Design of renewable energy-based hybrid systems has become a challenging task especially for electrification to off-grid regions. In the design problem, it is important to economically investigate utilization of energy storage systems (ESSs) and solar tracker. This paper focuses on optimal size of hybrid energy systems which make use of different types of tracking systems. For this aim, two hybrid energy systems, diesel generator/photovoltaic/pumped hydro storage (diesel/PV/PHS) and diesel generator/photovoltaic/fuel cell (diesel/PV/FC), have been designed with respect to different tracking systems (fixed, single-axis and double axis). In order to find optimum design of the hybrid systems, two important objectives, total net present cost (TNPC) and reliability index expressed by loss of power supply probability (LPSP) are minimized in a multi-objective framework. With respect to complexity of this optimization problem, a multi-objective efficient approach is used to solve the problem. Simulation results show that compared to FC when PHS is employed as energy storage system, TNPC of the hybrid system decreases. Moreover, using a solar tracker in diesel/PV/PHS is not cost-effective in comparison with fixed PV panels.

Keywords: Solar tracking system; Energy storage; Hybrid energy system; Fuel cell; Pumped hydro storage (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:231:y:2021:i:c:s0360544221011683

DOI: 10.1016/j.energy.2021.120920

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