NDLI: Optimal direct-drive permanent magnet wind generator systems for different rated wind speeds

Content Provider	IEEE Xplore Digital Library
Author	Li, H. Chen, Z.
Copyright Year	2007
Description	Author affiliation: Aalborg Univ., Aalborg (Li, H.; Chen, Z.)
Abstract	The objective of this paper is to investigate possible ranges of rated wind speeds and rated power levels to have the better performance of the annual energy output per cost (AEOPC) for an individual direct-drive wind energy conversion system. Based on a given rated wind speed, the turbine blade sizing and rotor speed can be determined by using the maximal wind energy capture characteristics, the calculation of annual energy output (AEO) of wind turbines are also described. Based on a given wind turbine, a three-phase radial-flux PM synchronous generator (PMSG) with a back-to-back power converter is optimized for the minimal generator system cost. The analytical design models and optimization are developed and demonstrated by a rated power 500 kW PMSG. The optimal results of direct-drive PM wind generator systems with various combinations of different rated wind speeds and different rated power levels of wind turbines are obtained and compared, including the AEO and AEOPC at the high, medium and low wind speed sites, respectively. By comparison with the AEOPC of the optimized PM generators, the appropriate design ranges with the more cost-effective performance are analyzed and discussed for the direct-drive PM wind generator systems.
Starting Page	1
Ending Page	10
File Size	188108
Page Count	10
File Format	PDF
ISBN	9789275815108
DOI	10.1109/EPE.2007.4417508
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-02
Publisher Place	Denmark
Access Restriction	Subscribed
Rights Holder	EPE Association
Subject Keyword	Costs Blades rated wind speed wind turbine Permanent magnets direct-drive Design optimization Wind energy generation Wind energy Wind speed annual energy output radial flux PM generator optimization Synchronous generators Wind turbines Power generation
Content Type	Text
Resource Type	Article

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