Winding Deformation Analysis in Power Transformers using Finite Element Method

被引：0

作者：

Sahoo, Saroja Kanti ^{[1
]}

Gopalakrishna, S. ^{[2
]}

机构：

[1] Indian Inst Technol, Dept Elect Engn, Kharagpur 721302, W Bengal, India

[2] Natl Inst Technol, Dept Elect Engn, Rourkela 769008, India

来源：

2014 IEEE STUDENTS' TECHNOLOGY SYMPOSIUM (IEEE TECHSYM) | 2014年

关键词：

Deformation; Frequency response; Natural frequency; Power Transformer; Resonance; Transfer function;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Winding deformation in power transformers affects its mechanical integrity. Diagnosis of winding deformation is a necessary step towards preventing its permanent failure. Sweep Frequency Response Analysis (SFRA) is widely used to analyze the nature and extent of deformation. However, the location of deformation needs the signature from the deformed transformer at various locations, which is practically not feasible. In this paper, Finite Element Method (FEM) and SFRA are used to model deformations on a benchmark winding and obtain corresponding signatures. Different parameters derived from SFRA are used as indices to distinguish type and location of deformations.

引用

页码：341 / 346

页数：6

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