A Novel Multiphase Brushless Power-Split Transmission System for Wind Power Generation

Yulong Liu, Shuangxia Niu, Weinong Fu

Research output: Journal article publicationJournal articleAcademic researchpeer-review

11 Citations (Scopus)


A novel gearless and brushless power-split transmission system is proposed for a variable speed constant frequency wind power generation application. The key is to design a special hybrid axial-radial flux focusing structure, which has an improved utilization of permanent magnet (PM) materials. This design integrates the merits of two popular concepts - the direct-drive PM generator and the doubly fed induction generator. It is direct driven, with high torque density and in the meanwhile, it needs only a partial-scale converter. To improve the stability of the system, five phase currents are used for the control winding. A time stepping finite-element method is used to analyze the dynamic performance of the proposed system.
Original languageEnglish
Article number7312462
JournalIEEE Transactions on Magnetics
Issue number2
Publication statusPublished - 1 Feb 2016


  • Bidirectional modulation
  • continuously variable transmission
  • power split
  • VSCF
  • wind generation

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering


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