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Improved  sliding mode model reference adaptive system speed observer for fuzzy control of direct-drive permanent magnet synchronous generator wind power generation system

This study presents an improved sliding mode model reference adaptive system (SM-MRAS) speed observer for the fuzzy control of direct-drive wind power generation system with a permanent magnet synchronous generator (PMSG). The SM-MRAS speed sensorless observer is described and the corresponding algo...

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Bibliographic Details
Published in:IET renewable power generation 2013-01, Vol.7 (1), p.28-35
Main Authors: Yan, Jianhu, Lin, Heyun, Feng, Yi, Guo, Xun, Huang, Yunkai, Zhu, Z.Q
Format: Article
Language:English
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Summary:This study presents an improved sliding mode model reference adaptive system (SM-MRAS) speed observer for the fuzzy control of direct-drive wind power generation system with a permanent magnet synchronous generator (PMSG). The SM-MRAS speed sensorless observer is described and the corresponding algorithm is derived. The designed fuzzy controller is compared with the conventional PI controller by simulations and experiments. A dc motor is controlled to simulate the wind turbine and an active machine-side converter with space vector pulse width modulation control is adopted to realise the maximum power extraction. A 250-W PMSG experimental platform is built and the experiment results verify the validity of the proposed SM-MRAS speed observer.
ISSN:1752-1416
1752-1424
1752-1424
DOI:10.1049/iet-rpg.2012.0081