Vibration Estimation in Power Transformers Based on Dynamic Magnetostriction Model and Finite-Element Analysis
| Autor: | Yang Li, Yongjian Li, Chengcheng Liu, Lihua Zhu, Jianguo Zhu |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
General Physics
Materials science business.industry Magnetostriction Superconducting magnet Structural engineering Condensed Matter Physics Magnetic hysteresis Finite element method Electronic Optical and Magnetic Materials law.invention 0204 Condensed Matter Physics 0906 Electrical and Electronic Engineering 0912 Materials Engineering Stress (mechanics) Vibration Condensed Matter::Materials Science Hysteresis law Electrical and Electronic Engineering Transformer business |
| Zdroj: | IEEE Transactions on Applied Superconductivity. 31:1-4 |
| ISSN: | 2378-7074 1051-8223 |
| Popis: | This paper presents a modeling approach for estimating the vibration of power transformers based on a magnetostriction model and maxwell stress calculation. The magnetostriction model, accounting for the dynamic hysteresis behavior, is constructed by combining the Becker-Doring crystal magnetostriction model and J-A dynamic hysteresis model. By incorporating the proposed model into the finite-element method (FEM), both the Maxwell stress and the magnetostriction force in each mesh element can be readily obtained simultaneously. To verify the calculation method, the vibration of a three-phase transformer prototype is measured and compared with simulated results. It demonstrated that the proposed method is accurate enough to predict the vibration of power transformers. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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