Magnetization loss in HTS coated conductor exposed to harmonic external magnetic fields for superconducting rotating machines

Mohammad Yazdani-Asrami, Wenjuan Song, Min Zhang, Weijia Yuan, Xiaoze Pei

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Previous studies on magnetization AC loss of high temperature superconducting (HTS) coated conductors (CCs) taken into account the ideally sinusoidal external magnetic field, or non-sinusoidal by considering only the harmonics in phase with the fundamental component. However, realistically magnetic field often contains harmonics with different phase angles and amplitudes. In this work, magnetization AC loss in HTS CC was studied, considering the phase angle φ of each harmonic; assuming superconductor is subjected to external magnetic field which is distorted by the 3rd and the 5th harmonics. Phase angle of each harmonic was considered in the range of 0 to 2π; and amplitude of fundamental magnetic field, was assumed as 10, 20, 50, and 100 mT. Different distortion level of magnetic field was considered too. It is concluded that phase angle of field harmonic has a significant effect on magnetization loss of HTS CCs.

Original languageEnglish
Number of pages8
JournalIEEE Access
DOIs
Publication statusPublished - 26 Feb 2021

Keywords

  • external magnetic field
  • harmonic analysis
  • harmonic distortion
  • harmonic phase angle
  • high-temperature superconductors
  • HTS coated conductor
  • magnetic fields
  • magnetic losses
  • magnetization
  • magnetization AC loss
  • superconducting transmission lines

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