A Novel Maximum Power Point Tracking Control for Permanent Magnet Direct Drive Wind Energy Conversion Systems

Ying Zhu, Ming Cheng, Wei Hua and Wei Wang
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Ying Zhu: Department of Electrical Engineering, Southeast University, No 2 Si Pai Lou, Nanjing 210096, Jiangsu, China
Ming Cheng: Department of Electrical Engineering, Southeast University, No 2 Si Pai Lou, Nanjing 210096, Jiangsu, China
Wei Hua: Department of Electrical Engineering, Southeast University, No 2 Si Pai Lou, Nanjing 210096, Jiangsu, China
Wei Wang: Department of Electrical Engineering, Southeast University, No 2 Si Pai Lou, Nanjing 210096, Jiangsu, China

Energies, 2012, vol. 5, issue 5, 1-15

Abstract: 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). The presented strategy not only has the advantages of not needing the wind speed and wind turbine characteristics of the traditional HCS method, but it also improves the stability and accuracy of MPPT by estimating the exact loss torque. The OCG MPPT control strategy is first carried out by simulation, then an experimental platform based on the dSPACE1103 controller is built and a 5.5 kW permanent magnet synchronous generator (PMSG) is tested. Furthermore, the proposed method is compared experimentally with the traditional optimum tip speed ratio (TSR) MPPT control. The experiments verify the effectiveness of the proposed OCG MPPT strategy and demonstrate its better performance than the traditional TSR MPPT control.

Keywords: direct drive; permanent magnet synchronous generator (PMSG); wind energy conversion system (WECS); maximum power point tracking (MPPT) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2012
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (13)

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