Electromagnetic performance comparison between 12-phase switched flux and surface-mounted PM machines for direct-drive wind power generation

Lingyun Shao, Wei Hua, Ming Cheng, Juliette Soulard, Zhongze Wu, Z. Q. Zhu

Research output: Chapter or section in a book/report/conference proceedingChapter in a published conference proceeding

4 Citations (SciVal)

Abstract

In this paper, the 12-phase switched flux (SF) permanent magnet (PM) (SFPM) machine and two surface-mounted PM (SPM) machines designed for direct-drive wind power generation are comparatively analyzed. Firstly, feasible stator-slot/rotor-pole combinations for symmetrical 12-phase winding layout are investigated for both machine topologies. Secondly, the key design parameters of the PM generators are optimized by finite element (FE) analysis. Thirdly, electromagnetic performances including air-gap field, cogging torque, static torque, inductance, output voltage and its regulation factor, output power and efficiency of the generators are compared. A 10 kW 24-slot/22-pole SFPM prototype is built and tested to validate the FE predicted results.

Original languageEnglish
Title of host publicationProceedings - 2018 23rd International Conference on Electrical Machines, ICEM 2018
PublisherIEEE
Pages2150-2156
Number of pages7
ISBN (Electronic)9781538624777
DOIs
Publication statusPublished - 25 Oct 2018
Event23rd International Conference on Electrical Machines, ICEM 2018 - Alexandroupoli, Greece
Duration: 3 Sept 20186 Sept 2018

Conference

Conference23rd International Conference on Electrical Machines, ICEM 2018
Country/TerritoryGreece
CityAlexandroupoli
Period3/09/186/09/18

Funding

This work was supported in part by the National Natural Science Foundation of China under Grant 51137001, and the China Scholarship Council.

Keywords

  • Permanent magnet (PM) machine
  • Surface-mounted permanent magnet (SPM) machine
  • Switched flux permanent magnet (SFPM) machine
  • Wind power generation

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Mechanical Engineering

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