Study of transformer magnetic properties considering temperature influence of electrical steel sheet

Author:

Chen Dezhi1,Zhang Yuyong1,Yao Hang1,Wang Yang1,Zhao Wenliang2

Affiliation:

1. , Shenyang University of Technology, , China

2. , Shandong University, , China

Abstract

In this paper, the magnetic field and temperature field of transformer are analyzed, and the influence of temperature on electrical steel sheet is considered. Experiment are supplied to obtain the magnetic properties curves (B-H curves, B-P curves, and magnetic permeability curves of 30QG120), which are required for the accurate FEM (finite element method) simulation setup. Finally, the magnetizing characteristics and temperature distribution of the transformer under different temperatures and loads are studied experimentally. The simulation results of a singlephase transformer are verified by the experimental results.

Publisher

IOS Press

Subject

Electrical and Electronic Engineering,Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,Electronic, Optical and Magnetic Materials

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