Research on the vibration and noise characteristics and rapid simulation model of high frequency transformer with nanocrystalline alloy cores

IF 4.2 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Electric Power Systems Research Pub Date : 2025-06-27 DOI:10.1016/j.epsr.2025.111965

Pengning Zhang , Ze Liu , Zihao Guo , Ning Wang , Ying Zhan , Jian Zhang

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Abstract

This paper investigates the vibration and noise characteristics of high-frequency transformers (HFTs) with Litz wire windings. Despite the numerous advantages of high-frequency transformers, the analysis of vibration and acoustic noise in high-frequency transformers remains a challenging issue. A comprehensive analysis framework is developed to study these characteristics of HFT. First, an electromagnetic force model is established to analyze the high-frequency vibration mechanism. The magnetic properties of nanocrystalline cores are characterized through experimental measurements. Then, a multi-physics coupling model incorporating electromagnetic, mechanical, and acoustic fields is then constructed. To enhance computational efficiency, a simplified 2D multi-physics coupling model is proposed based on HFT load force analysis. The model’s effectiveness is verified through comparative studies under both sinusoidal and square wave excitations. Finally, experimental validation is performed using a specially designed high-frequency vibration and noise testing platform. The measured results demonstrate good agreement with the theoretical predictions, confirming the model’s accuracy. The research provides theoretical and data support for the optimization design of high-frequency transformers considering vibration and noise factors comprehensively.

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纳米晶合金铁芯高频变压器振动噪声特性及快速仿真模型研究

本文研究了采用利兹丝绕组的高频变压器的振动和噪声特性。尽管高频变压器有许多优点，但高频变压器的振动和噪声分析仍然是一个具有挑战性的问题。为了研究高频交易的这些特征，本文建立了一个全面的分析框架。首先，建立了电磁力模型，分析了高频振动机理。通过实验测量对纳米晶铁芯的磁性能进行了表征。然后，建立了包含电磁场、机械场和声场的多物理场耦合模型。为了提高计算效率，提出了一种基于高频载荷力分析的二维多物理场耦合简化模型。通过正弦波和方波激励下的对比研究，验证了该模型的有效性。最后，利用专门设计的高频振动噪声测试平台进行了实验验证。实测结果与理论预测吻合较好，证实了模型的准确性。该研究为综合考虑振动和噪声因素的高频变压器优化设计提供了理论和数据支持。

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

Electric Power Systems Research 工程技术-工程：电子与电气

CiteScore

7.50

自引率

17.90%

发文量

963

审稿时长

3.8 months

期刊介绍： Electric Power Systems Research is an international medium for the publication of original papers concerned with the generation, transmission, distribution and utilization of electrical energy. The journal aims at presenting important results of work in this field, whether in the form of applied research, development of new procedures or components, orginal application of existing knowledge or new designapproaches. The scope of Electric Power Systems Research is broad, encompassing all aspects of electric power systems. The following list of topics is not intended to be exhaustive, but rather to indicate topics that fall within the journal purview. • Generation techniques ranging from advances in conventional electromechanical methods, through nuclear power generation, to renewable energy generation. • Transmission, spanning the broad area from UHV (ac and dc) to network operation and protection, line routing and design. • Substation work: equipment design, protection and control systems. • Distribution techniques, equipment development, and smart grids. • The utilization area from energy efficiency to distributed load levelling techniques. • Systems studies including control techniques, planning, optimization methods, stability, security assessment and insulation coordination.