Wind Energy Conversion System from Electrical Perspective—A Survey
Hyong Sik Kim, Dylan Dah-Chuan Lu
DOI: 10.4236/sgre.2010.13017   PDF    HTML     17,163 Downloads   37,594 Views   Citations


This paper focuses on the wind energy conversion system (WECS) with the three main electrical aspects: 1) wind turbine generators (WTGs), 2) power electronics converters (PECs) and 3) grid-connection issues. The current state of wind turbine generators are discussed and compared in some criteria along with the trends in the current WECS market, which are ‘Variable Speed’, ‘Multi-MW’ and ‘Offshore’. In addition, the other crucial component in the WECS, PECs will be discussed with its topologies available in the current WECS market along with their modulation strategies. Moreover, three main issues of the WECS associating with the grid-connection, fault-ride through (FRT) capability, harmonics/interharmonics emission and flicker, which are the power quality issues, will be discussed due to the increasing responsibility of WECS as utility power station. Some key findings from the review such as the attractiveness of BDFRG are presented in the conclusion of this paper.

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H. Kim and D. Lu, "Wind Energy Conversion System from Electrical Perspective—A Survey," Smart Grid and Renewable Energy, Vol. 1 No. 3, 2010, pp. 119-131. doi: 10.4236/sgre.2010.13017.

Conflicts of Interest

The authors declare no conflicts of interest.


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