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Dynamic Stability Enhancement of a Hybrid Renewable Energy System in Stand-Alone Applications

Abstract : Renewable energy systems have been extensively developed and they are attractive to become widespread in the future because they can deliver energy at a competitive price and generally do not cause environmental pollution. However, stand-alone energy systems may not be practical for satisfying the electric load demands, especially in places having unsteady wind speeds with high unpredictability. Hybrid energy systems seem to be a more economically feasible alternative to satisfy the energy demands of several isolated clients worldwide. The combination of these systems makes it possible to guarantee the power stability, efficiency, and reliability. The aim of this paper is to present a comprehensive analysis and to propose a technical solution to integrate a self-excited induction generator in a low power multisource system. Therefore, to avoid the voltage collapsing and the machine demagnetization, the various parameters have to be identified. This procedure allows for the limitation of a safe operating area where the best stability of the machine can be obtained. Hence, the load variation interval is determined. An improvement of the induction generator stability will be analyzed. Simulation results will be validated through experimental tests.
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https://hal-univ-artois.archives-ouvertes.fr/hal-03673200
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Submitted on : Thursday, May 19, 2022 - 10:36:08 PM
Last modification on : Wednesday, May 25, 2022 - 12:38:02 PM

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Ezzeddine Touti, Hossem Zayed, Remus Pusca, Raphael Romary. Dynamic Stability Enhancement of a Hybrid Renewable Energy System in Stand-Alone Applications. Computation, MDPI, 2021, 9 (2), pp.14. ⟨10.3390/computation9020014⟩. ⟨hal-03673200⟩

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