Localized Surface Vibration and Acoustic Noise Emitted From Laboratory-Scale Transformer Cores Assembled From Grain-Oriented Electrical Steel

Anthony John Moses; Philip I. Anderson; Teeraphon Phophongviwat

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Localized Surface Vibration and Acoustic Noise Emitted From Laboratory-Scale Transformer Cores Assembled From Grain-Oriented Electrical Steel

机译：晶粒取向电工钢组装而成的实验室规模变压器铁芯的局部表面振动和声噪声

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Magnetostriction of grain-oriented 3% SiFe sheets was measured prior to assembly into model transformer cores. Core vibration was measured using a laser scanning vibrometer and harmonic spectra of acoustic noise were evaluated from the microphone outputs. Explanations show why no correlation exists between vibration harmonics profiles and A-weighted acoustic noise spectra. High localized vibration did not cause high noise due to phase differences in surface vibrations, and it is shown that this is the main reason why the A-weighted noise of a three-phase core can be less than that of an equivalent single-phase core. Noise from cores assembled from low magnetostriction materials was not always lowest because of the variable effect of electromagnetic forces.

机译：在组装到模型变压器铁心之前，测量了取向3％SiFe片的磁致伸缩。使用激光扫描振动计测量铁芯振动，并从麦克风输出评估声噪声的谐波频谱。解释说明了为什么振动谐波轮廓与A加权声噪声谱之间不存在相关性。高的局部振动不会由于表面振动的相位差而引起高噪声，这表明这是三相铁心的A加权噪声可以小于等效单相铁心的A加权噪声的主要原因。由低磁致伸缩材料制成的铁芯产生的噪声并不总是最低的，这是因为电磁力的影响各不相同。

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来源
《IEEE Transactions on Magnetics》 |2016年第10期|1-15|共15页
作者
Anthony John Moses; Philip I. Anderson; Teeraphon Phophongviwat;
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作者单位

Wolfson Centre for Magnetics, Cardiff School of Engineering, Cardiff University, Cardiff, U.K.;

Wolfson Centre for Magnetics, Cardiff School of Engineering, Cardiff University, Cardiff, U.K.;

Department of Electrical Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand;

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正文语种 eng
中图分类
关键词
Transformer cores; Vibrations; Magnetostriction; Stress; Magnetic flux; Steel;

机译：变压器芯;振动;磁致伸缩;应力;磁通量;钢;

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1. Comparison between measured and computed magnetic flux density distribution of simulated transformer core joints assembled from grain-oriented and non-oriented electrical steel [J] . Hamid Shahrouzi, Anthony J. Moses, Philip I. Anderson, AIP Advances . 2018,第4期

机译：取向和非取向电工钢组装的模拟变压器铁心接头的实测和计算磁通密度分布比较
2. Comparison between measured and computed magnetic flux density distribution of simulated transformer core joints assembled from grain-oriented and non-oriented electrical steel [J] . Hamid Shahrouzi, Anthony J. Moses, Philip I. Anderson, AIP Advances . 2018,第4期

机译：取向和非取向电工钢组装的模拟变压器铁心接头的实测和计算磁通密度分布比较
3. Study of Transformer Core Vibration and Noise Generation Mechanism Induced by Magnetostriction of Grain-Oriented Silicon Steel Sheet [J] . He Qiang, Nie Jingkai, Zhang Songyang, Shock and vibration . 2021,第a期

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4. Solid State Transformer based on Grain-Oriented Electrical Steel Wound Cores [C] . Sidi Hamdinou, Daniel Roger, Mathieu Rossi, IEEE International Conference on Compatibility, Power Electronics and Power Engineering . 2019

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5. Fabrication, Modification and Self-assembly of Metallic Nano-Particles for Localized Surface Plasmon Resonance and Surface Enhanced Vibrational Spectroscopy Applications. [D] . Fan, Meikun. 2010

机译：金属纳米粒子的制备，改性和自组装，用于局部表面等离子体共振和表面增强振动光谱学应用。
6. Time-Frequency Analysis of Barkhausen Noise for the Needs of Anisotropy Evaluation of Grain-Oriented Steels [O] . Michal Maciusowicz, Grzegorz Psuj 2020

机译：Barkhausen噪声的时频分析用于各向异性评估晶粒取向钢的需求
7. Localised surface vibration and acoustic noise emitted from laboratory scale transformer cores assembled from grain-oriented electrical steel [O] . Moses, Anthony John, Anderson, Philip Ian, Phophongviwat, Teeraphon 2016

机译：由晶粒取向电工钢组装而成的实验室规模变压器铁芯发出的局部表面振动和声噪声
8. Grain-Oriented Electrical Steel from Germany, Japan, and Poland. Investigation Nos. 731-TA-1233, 1234, and 1236 [R] . 2014

机译：来自德国，日本和波兰的晶粒取向电工钢。调查号731-Ta-1233,1234和1236

Localized Surface Vibration and Acoustic Noise Emitted From Laboratory-Scale Transformer Cores Assembled From Grain-Oriented Electrical Steel

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