首页|Direct driven wind energy conversion system based on hybrid excitation synchronous machine
Direct driven wind energy conversion system based on hybrid excitation synchronous machine
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A novel direct-drive type wind power generation system based on hybrid excitation synchronous machine (HESM)is introduced in this paper.The generator is connected to an uncontrollable rectifier,and a fully controlled voltage-source inverter is used to connect the system to utility grid.An intermediate DC bus exists between the rectifier and inverter.A new control strategy is proposed which achieves the maximum power point tracking (MPPT) with the control of excitation current of HESM and stabilizes the DC link voltage with the control of inverter output current simultaneously.Specially-designed buck circuit is used to control the excitation current of HESM,and grid voltage-oriented vector control strategy is employed to realize the decoupling of the inverter output power.Simulation results and experiment in 3 kW lab prototype show an excellent static and dynamic performance of the proposed system.
maximum power point tracking (MPPT)wind energy conversion systemdirect-drivenhybrid excitation
YE Bin-ying、RUAN Yi、YANG Yong、ZHAO Mei-hua、TANG Yan-yan
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School of Mechatronics Engineering and Automation, Shanghai University, Shanghai 200072, P. R. China
School of Urban Railway Transportation, Soochow University, Suzhou 215021, Jiangsu, P. R. China
Project supported by Delta Power Electronic Science and Education Development
NETL
NSTL
万方数据
维普
