Comparison of electromagnetic performance of scpm wind power generators with different topologies

Xiaoyan Huang, Chenxi Zhou, Kaihe Zhang, Lijian Wu, Jian Zhang, Wenping Cao

Research output: Contribution to journalArticle

Abstract

This paper focuses on the comparison of electromagnetic performance of the superconducting permanent magnet (SCPM) generators with two different topologies. The torque capabilities of the two generators are first investigated. The peak torque is largely restricted by the material characteristics of the superconducting (SC) and the permanent magnet. The SCPM generators with iron-cored rotor and iron-cored stator topology (IRIST) is superior to the one with iron-cored rotor and air-cored stator topology in terms of torque capability. Furthermore, the flux density, line electromotive force, torque and its torque ripple, and the efficiency of the designed generators are evaluated by using numerical model. The simulation results confirm that IRIST has higher output torque and efficiency with the penalty of higher harmonics and torque ripples.

Original languageEnglish
Article number8625601
JournalIEEE Transactions on Applied Superconductivity
Volume29
Issue number2
Early online date24 Jan 2019
DOIs
Publication statusPublished - 1 Mar 2019

Bibliographical note

© 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Funding: This work was supported by the National Natural Science Foundation of China under Grant 51477149 and 51690182.

Keywords

  • Finite element method (FEM)
  • comparison
  • superconducting permanent magnet wind power generator
  • topology

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