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http://dx.doi.org/10.7236/JIIBC.2019.19.3.179

Development of Operation Control and AC/DC Conversion Integrated Device for DC Power Application of Small Wind Power Generation System  

Hong, Kyungjin (School of Electrical and Electronic Engineering, Gwangju University)
Publication Information
The Journal of the Institute of Internet, Broadcasting and Communication / v.19, no.3, 2019 , pp. 179-184 More about this Journal
Abstract
In many countries, such as developing countries where electricity is scarce, small wind turbines in the form of Off Grid are an effective solution to solve power supply problems. In some countries, the expansion of power systems and the decline of electricity-intensive areas have led to the use of small wind power in urban road lighting, mobile communications base stations, aquaculture and seawater desalination. With this change, the size of the small wind power industry is expected to have greater potential than large-scale wind power. In the case of small wind power generators, the generator is controlled at a variable speed, and the voltage and current generated by the generator have many harmonic components. To solve this problem, the AC to DC converter to be studied in this paper is a three-phase step-up type converter with a single switch. The inductor current is controlled in discontinuous mode, and has a characteristic of having a unit power factor by eliminating the harmonic of the input current. The proposed converter is composed of LCL filter and three phase rectification boost converter at the input stage and a single phase full bridge for grid connection. It is a control system with energy storage system(ESS) that the system stabilization can be pursued against the electric power.
Keywords
Wind Power System; Power Conversion Device; AC/DC Converter; Energy Storage System;
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Times Cited By KSCI : 1  (Citation Analysis)
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