Design and Optimization of Electric Continuous Variable Transmission System for Wind Power Generation

Yunchong Wang, Shuangxia Niu, Weinong Fu, Siu Lau Ho

Research output: Journal article publicationJournal articleAcademic researchpeer-review

8 Citations (Scopus)

Abstract

A novel brushless electric continuous variable transmission (E-CVT) system is presented and optimized. The proposed system offers an alternative solution for a variable-speed constant-frequency operation of the wind turbine application. The key is to eliminate the gearbox and brushes in the machine and this E-CVT system comprises of two rotors and two stators within one machine. This design inherits and integrates the merits of the direct-drive permanent magnet generator and the doubly fed induction generator with the additional benefit of the improved torque density and the need for a low-cost partial-scale converter. The structure, operation principle, and performance are analyzed. Genetic algorithm is employed to optimize the parameters for maximizing its power density. Time-stepping finite-element method is used to analyze the dynamic performance of the proposed system.
Original languageEnglish
Article number8200704
JournalIEEE Transactions on Magnetics
Volume52
Issue number3
DOIs
Publication statusPublished - 1 Mar 2016

Keywords

  • E-CVT
  • genetic algorithm
  • parameter optimize
  • wind power

ASJC Scopus subject areas

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

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