AC transport loss in superconductors carrying harmonic current with different phase angles for large scale power components

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

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Abstract

It is of great industrial interest and academic importance to investigate the effect of phase angle of current harmonics on AC losses in superconductors especially for large scale power applications. However, only effect of amplitude of in-phase current harmonics on AC loss has been studied in literatures. We have numerically characterized nonsinusoidal AC loss of superconducting tapes carrying harmonic currents with phase angles varying from 0 to 2, and orders below 20th. A drastic AC loss variation was observed when phase angle was considered for harmonic components. Eventually, we found that different harmonic orders show different AC loss profile versus phase angle.

Original languageEnglish
Number of pages5
JournalIEEE Transactions on Applied Superconductivity
Early online date27 Aug 2020
DOIs
Publication statusE-pub ahead of print - 27 Aug 2020

Keywords

  • harmonic analysis
  • high temperature superconductors
  • power system harmonics

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