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http://dx.doi.org/10.7471/ikeee.2017.21.1.81

Gearless Doubly-fed Induction Generator for Wind Power Generation  

Park, Taesik (Dept. of Electrical and Control Engineering, Mokpo National University)
Moon, Chaejoo (Dept. of Electrical and Control Engineering, Mokpo National University)
Kim, Seonghwan (Dept. of Electrical and Control Engineering, Mokpo National University)
Publication Information
Journal of IKEEE / v.21, no.1, 2017 , pp. 81-84 More about this Journal
Abstract
As the demands for offshore wind power generation systems on a large scale have grown dramatically, and extensive developments in PMSG (Permanent Magnet Synchronous Generator) and DFIG (Doubly-fed Induction Generator) wind turbine system have been going on. However, the wind power systems have been more sophisticated, and their reliability becomes critical issues. Averagely, wind turbines have shut down for about a week per year for repairs and maintenance. Especially the high speed gearbox of DFIG is inevitable components for high power generation, but becomes one of the critical failures. In this paper, a new reliable gearless wind turbine structure is proposed. The gearless wind turbine can operate on a maximum power points by controlling the speed of a rotational stator. The proposed approach is verified by PSIM simulations, resulting in increased energy reliability.
Keywords
Wind; DFIG; Gearless; Power; Frequency;
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