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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Trends in wind turbine generator systems
IEEE Journal of Emerging and Selected Topics in Power Electronics, Volume 1, No. 3, Article 6588570, Year 2013
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Description
This paper reviews the trends in wind turbine generator systems. After discussing some important requirements and basic relations, it describes the currently used systems: the constant speed system with squirrel-cage induction generator, and the three variable speed systems with doubly fed induction generator (DFIG), with gearbox and fully rated converter, and direct drive (DD). Then, possible future generator systems are reviewed. Hydraulic transmissions are significantly lighter than gearboxes and enable continuously variable transmission, but their efficiency is lower. A brushless DFIG is a medium speed generator without brushes and with improved low-voltage ride-through characteristics compared with the DFIG. Magnetic pseudo DDs are smaller and lighter than DD generators, but need a sufficiently low and stable magnet price to be successful. In addition, superconducting generators can be smaller and lighter than normal DD generators, but both cost and reliability need experimental demonstration. In power electronics, there is a trend toward reliable modular multilevel topologies. © 2013 IEEE.
Authors & Co-Authors
Polinder, Henk
Netherlands, Delft
Delft University of Technology
Ferreira, Jan Abraham
Netherlands, Delft
Delft University of Technology
Atallah, Kais
United Kingdom, Sheffield
The University of Sheffield
McMahon, Richard A.
United Kingdom, Cambridge
University of Cambridge
Statistics
Citations: 445
Authors: 4
Affiliations: 4
Identifiers
Doi:
10.1109/JESTPE.2013.2280428
ISSN:
21686777