A 2MW 6-phase BLDC Generator Developed from a PM Synchronous Generator for Wind Energy Application

Zhuihui Chen, Zhe Chen, Xiao Liu

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

1 Citation (Scopus)


In the direct drive wind turbine application, a PMSM generator often works together with a diode rectifier, which connects to a boost converter. In this paper, a six-phase BLDC generator is developed from the prototype design of three-phase permanent magnet synchronous generator. The diode rectifier is
adopted. The cases the with different loads are studied. The finite element simulation shows the developed BLDC generator is better than the PMSM generator in terms of DC voltage ripple and torque ripple. Furthermore, the volume of the BLDC generator is smaller, despite of more permanent magnet is
required. The efficiencies and the costs are also compared. As the result shows, BLDC generators connected with the diode rectifiers are good candidates for direct drive wind turbines.
Original languageEnglish
Title of host publicationProceedings of the 15th IEEE International Conference on Industrial Technology, ICIT 2014
Number of pages5
PublisherIEEE Press
Publication dateMar 2014
ISBN (Print)978-1-4799-3939-8
Publication statusPublished - Mar 2014
EventInternational Conference on Industrial Technology - Busan, Korea, Republic of
Duration: 26 Feb 20141 Mar 2014
Conference number: 15


ConferenceInternational Conference on Industrial Technology
CountryKorea, Republic of


  • Blushless DC generators
  • Permanent magnet synchronous generators
  • Torque ripple coefficient
  • DC voltage ripple
  • Losses

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