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Marwan Rosyadi, Atsushi Umemura, Rion Takahashi and Junji Tamura
In this paper, a detailed model and an average model of an MMC (Modular Multilevel Converter)-controlled Permanent Magnet Synchronous Generator (PMSG)-based direct drive wind turbine are proposed. The models are used to analyze the steady-state and trans...
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Xiaojiang Guo, Yu Zhang, Jiatao Yan, Yiming Zhou, Shu Yan, Wei Shi and Xin Li
Wind energy in the deep-sea area is more abundant and the capacity of wind turbines can be made larger. Therefore, the research on deep-sea floating offshore wind turbines will be the primary strategy for wind energy exploitation in the future. The spar-...
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Austin C. Hayes and Gregory L. Whiting
As the power output of direct drive generators increases, they become prohibitively large with much of this material structural support. In this work, implicit modeling was coupled to finite element analysis through a genetic algorithm variant to automat...
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Fan Zhang, Zejun Wen, Deshun Liu, Jie Jiao, Hengzheng Wan and Bing Zeng
This paper proposes an evaluation index of wind turbine generator operating health based on the relationships with SCADA (Supervisory Control and Data Acquisition) data. First, the relationship among the data from a wind turbine SCADA system is thoroughl...
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Shiva Nourifard, Seyyed Hasheminejad, Majid Jami
In this study, design, design calculations and simulation of a permanent magnet generator, which includes two sections of radial and axial flux, are discussed. The output power from the generator is 1.1 kilowatt. In the design of the generator, a cone-sh...
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Mehdi Allagui, Othman B.k. Hasnaoui, Jamel Belhadj
This paper presents a comparative study on the most popular control strategies used to control high power, Direct Drive Wind Turbines. The studied wind turbine is equipped with a supervision scheme in order to fulfil Grid connection requirements (GCR). F...
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Zili Zhang, Søren R. K. Nielsen, Frede Blaabjerg and Dao Zhou
Lateral tower vibrations of offshore wind turbines are normally lightly damped, and large amplitude vibrations induced by wind and wave loads in this direction may significantly shorten the fatigue life of the tower. This paper proposes the modeling and ...
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Andrés Bravo Cuesta, Francisco Javier Gomez-Gil, Juan Vicente Martín Fraile, Jesús Ausín Rodríguez, Justo Ruiz Calvo and Jesús Peláez Vara
The aim of this study was to propose and evaluate a very small wind turbine (VSWT) that competes with commercial grid-connected VSWTs in terms of simplicity, robustness and price. Its main components are a squirrel-cage induction generator (SCIG) driven ...
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Ying Zhu, Ming Cheng, Wei Hua and Wei Wang
This paper proposes a novel optimal current given (OCG) maximum power point tracking (MPPT) control strategy based on the theory of power feedback and hill climb searching (HCS) for a permanent magnet direct drive wind energy conversion system (WECS). Th...
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