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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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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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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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Saijun Yuan, Zhiguo Hao, Tao Zhang, Xiaotian Yuan and Jin Shu
Subsynchronous oscillation (SSO) is a critical issue for the direct-drive permanent magnet synchronous generator (D-PMSG) based wind farm integrated to a weak onshore AC grid. To analyze the mechanism of the SSO phenomenon of D-PMSG based wind farm, wide...
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Udochukwu B. Akuru, Maarten J. Kamper
The China-based monopoly of high-energy permanent magnet materials used in modern wind generators impact the economic viability and local content value of most wind turbines installed in South Africa, especially large installations. It is possible to des...
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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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