Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.13091/1693
Title: | Modelling and voltage control of the solar-wind hybrid micro-grid with optimized STATCOM using GA and BFA | Authors: | Bakır, Hale Kulaksız, Ahmet Afşin |
Keywords: | Voltage Control Bacteria Foraging Algorithm Pv-Wind Hybrid System Static Synchronous Compensator Genetic Algorithm Reactive Power Systems |
Publisher: | Elsevier - Division Reed Elsevier India Pvt Ltd | Abstract: | Electricity generation from the wind and solar photovoltaic (PV) systems are highly dependent upon weather conditions. Their intermittent nature leads to fluctuations in their output. Therefore, the need for rapid compensation for energy transmission and distribution systems is increasingly important. Static Synchronous Compensator (STATCOM) can be adopted for reactive power compensation and for decreasing the voltage fluctuation caused by the system and renewable energy sources. This study presents modelling of a Solar PV-Wind Hybrid Micro-grid and the increase of the stable operating limit of the system in case of the incorporation of STATCOM is examined. The major contribution of this paper is the optimization of gain parameters of four PI controllers in STATCOM control circuit based on genetic algorithms (GA) and Bacteria Foraging Algorithm (BFA) and therefore obtaining better responses and voltage stability in terms of nonlinear nature of solar-wind hybrid micro-grid. The Simulink models of the system architecture include a wind turbine model, a solar PV power system model and a STATCOM. It is certified that the voltage fluctuation at the end of the bus bar is reduced by 8% using conventional PI controller, by 10% for GA-based PI controller, and by 15% for BFA based PI controller under variable load. The results obtained by GA and BFA-based optimization of PI controllers are compared with that of the conventional controller and better results attained. (C) 2019 Karabuk University. Publishing services by Elsevier B.V. | URI: | https://doi.org/10.1016/j.jestch.2019.07.009 https://hdl.handle.net/20.500.13091/1693 |
ISSN: | 2215-0986 |
Appears in Collections: | Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections |
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