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Z-source converter based grid-interface for variable-speed permanent magnet wind turbine generators

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3 Author(s)
Vilathgamuwa, D.M. ; Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore ; Wang Xiaoyu ; Gajanayake, C.J.

A Z-source inverter based grid-interface for a variable-speed wind turbine connected to a permanent magnet synchronous generator is proposed. A control system is designed to harvest maximum wind energy under varied wind conditions with the use of the permanent magnet synchronous generator, diode-rectifier and Z-source inverter. Control systems for speed regulation of the generator and for DC- and AC- sides of the Z-source inverter are investigated using computer simulations and laboratory experiments. Simulation and experimental results verify the efficacy of the proposed approach.

Published in:

Power Electronics Specialists Conference, 2008. PESC 2008. IEEE

Date of Conference:

15-19 June 2008