Research on Magnetic Characteristics and Short-Circuit Force of 3D Wound Core Transformer

Author:

Li Teng,Li Huiqi,Yang Guang

Abstract

Abstract The problem of eddy current loss in power transformers directly affects the technical economy of the transformer, which is a problem that cannot be ignored in the design and calculation of power transformers. Studying how to reduce the eddy current losses caused by leakage magnetic fields is a difficult point in transformer design. The load loss of low-voltage foil copper windings in a 10 kV/400 kVA 3D wound core transformer is calculated, and the three-dimensional finite element models of the transformer are established by Using Magnet software and COMSOL Multiphysics software, and the calculation results are compared. At the same time, the short-circuit force of foil windings is shown in the simulation. The results show that the three-dimensional finite element models are correct.

Publisher

IOP Publishing

Subject

Computer Science Applications,History,Education

Reference9 articles.

1. Modeling and no-load Characteristics Analysis of 3D Wound Core Transformer Considering Core Nonlinearity Transactions of China;Yang;Electrotechnical Society,2022

2. Application and Simulation Analysis of Double-layer Foil Winding in Distribution Transformer;Wang;Transformer,2021

3. Calculation and Analysis of Foil Winding Loss and Temperature Rise of Dry Type Transformer;Zhao;Transformer,2020

4. A novel technique for the calculation of eddy current losses and Lorentz forces in foil winding transformers;Flórez;International Journal of Applied Electromagnetics and Mechanics,2017

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