Optimization of HTS Transformer Parameters and Analysis of AC Losses Under Harmonic Conditions

IF 1.6 4区物理与天体物理 Q3 PHYSICS, APPLIED

Journal of Superconductivity and Novel Magnetism Pub Date : 2024-04-18 DOI:10.1007/s10948-024-06732-7

Yufeng Zhang, Jiayi Wang, Chengyu Li, Yifei Zhang, Panpan Han, Ting Zhang, Ruiyang Zhang

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Abstract

The structural parameters and harmonic conditions detection of superconducting transformer are studied in this paper. And a two-dimensional axisymmetric model of a single-phase 10 kVA HTS transformer is developed using the finite element H-formulation. The study involves determining the optimum structural parameters of the HTS transformer, calculating the AC losses, and analyzing the corresponding trends. In addition, the effect of different distortion currents on the operating state of the HTS transformer under harmonic conditions is investigated. The results show that the primary-secondary winding spacing is negatively correlated with the AC losses. In addition, the influence of harmonic conditions on AC losses mainly depends on the amplitude of the input current, and the higher the total harmonic distortion, the more serious the current waveform distortion, the more likely to produce a temperature surge, thus affecting the operational stability of superconducting transformers. The research results in this paper can provide a reference for the design and operational stability of HTS transformers.

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HTS 变压器参数优化及谐波条件下的交流损耗分析

本文研究了超导变压器的结构参数和谐波条件检测。利用有限元 H 仿真建立了单相 10 kVA HTS 变压器的二维轴对称模型。研究包括确定 HTS 变压器的最佳结构参数、计算交流损耗并分析相应的趋势。此外，还研究了谐波条件下不同畸变电流对 HTS 变压器工作状态的影响。结果表明，初级-次级绕组间距与交流损耗呈负相关。此外，谐波条件对交流损耗的影响主要取决于输入电流的幅值，总谐波畸变越高，电流波形畸变越严重，越容易产生温涌，从而影响超导变压器的运行稳定性。本文的研究成果可为 HTS 变压器的设计和运行稳定性提供参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Superconductivity and Novel Magnetism 物理-物理：凝聚态物理

CiteScore

3.70

自引率

11.10%

发文量

342

审稿时长

3.5 months

期刊介绍： The Journal of Superconductivity and Novel Magnetism serves as the international forum for the most current research and ideas in these fields. This highly acclaimed journal publishes peer-reviewed original papers, conference proceedings and invited review articles that examine all aspects of the science and technology of superconductivity, including new materials, new mechanisms, basic and technological properties, new phenomena, and small- and large-scale applications. Novel magnetism, which is expanding rapidly, is also featured in the journal. The journal focuses on such areas as spintronics, magnetic semiconductors, properties of magnetic multilayers, magnetoresistive materials and structures, magnetic oxides, etc. Novel superconducting and magnetic materials are complex compounds, and the journal publishes articles related to all aspects their study, such as sample preparation, spectroscopy and transport properties as well as various applications.