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Article Dans Une Revue Journal of Marine Science and Engineering Année : 2023

Techno-Economic Optimal Sizing Design for a Tidal Stream Turbine–Battery System

Résumé

This article deals with the techno-economic optimal sizing of a tidal stream turbine (TST)–battery system. In this study, the TST system consists of a turbine rotor and a permanent magnet synchronous generator (PMSG) associated with a three-phase converter coupled to a DC bus. A battery is used within the system as an energy storage system to absorb excess produced power or cover power deficits. To determine the optimal sizing of the system, an iterative approach was used owing to its ease of implementation, high accuracy, and fast convergence speed, even under environmental constraints such as swell and wave effects. This technique is based on robust energy management, and the recursive algorithm includes the deficiency of power supply probability (DPSP) and the relative excess power generation (REPG) as technical criteria for the system reliability study, and the energy cost (EC) and the total net present cost (TNPC) as economic criteria for the system cost study. As data inputs, the proposed approach used the existing data from the current speed profile, the load, and economic parameters. The desired output is the system component optimal sizing (TST power, and battery capacity). In this paper, the system sizing was studied during a one-year time period to ensure a more reliable and economical system. The results are compared to well-known methods such as genetic algorithms, particle swarm optimization, and software-based (HOMER) approaches. The optimization results confirm the efficiency of the proposed approach in sizing the system, which was simulated using real-world tidal velocity data from a specific deployment site.

Dates et versions

hal-04094991 , version 1 (11-05-2023)

Identifiants

Citer

Sana Toumi, Yassine Amirat, Elhoussin Elbouchikhi, Zhibin Zhou, Mohamed Benbouzid. Techno-Economic Optimal Sizing Design for a Tidal Stream Turbine–Battery System. Journal of Marine Science and Engineering, 2023, 11 (3), pp.679. ⟨10.3390/jmse11030679⟩. ⟨hal-04094991⟩
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