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

Yazdani-Asrami, Mohammad and Song, Wenjuan and Zhang, Min and Yuan, Weijia and Pei, Xiaoze (2021) Magnetization loss in HTS coated conductor exposed to harmonic external magnetic fields for superconducting rotating machines. IEEE Access, 9. 77930 - 77937. ISSN 2169-3536

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    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.

    ORCID iDs

    Yazdani-Asrami, Mohammad ORCID logoORCID: https://orcid.org/0000-0002-7691-3485, Song, Wenjuan, Zhang, Min ORCID logoORCID: https://orcid.org/0000-0003-4296-7730, Yuan, Weijia ORCID logoORCID: https://orcid.org/0000-0002-7953-4704 and Pei, Xiaoze;