Leakage inductance variation based monitoring of transformer winding deformation

被引：0

作者：

Zhang XiaoJing ^{[1
]}

Hao ZhiGuo ^{[1
]}

Chen GuoZhen ^{[2
]}

Sun Zhi ^{[2
]}

He Fei ^{[2
]}

Sun SuJuan ^{[2
]}

Wu Peng ^{[3
]}

机构：

[1] Xi An Jiao Tong Univ, Sch Elect Engn, Xian 710049, Peoples R China

[2] State Gride JiangSu Power Supple Co, TaiZhou Power Supple Co, Taizhou, Peoples R China

[3] State Gride JiangSu Power Supple Co, Jiangsu Elect Power Res Inst, Nanjing, Jiangsu, Peoples R China

来源：

2015 IEEE 15TH INTERNATIONAL CONFERENCE ON ENVIRONMENT AND ELECTRICAL ENGINEERING (IEEE EEEIC 2015) | 2015年

关键词：

transformer; winding; leakage inductance; detection system; transverse comparison method; longitudinal comparison method;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

When subjected to short circuit, the transformer winding would suffer from considerable large electromagnetic force and then be distorted to a certain degree, in which cases leakage inductance variation can be employed to analyze and determine the situation and severity of the deformation. In this paper, the transformer leakage inductance identification model is set up on the basis of equivalent circuit equation. Least squares identification method is used to identify leakage inductance. Transverse and longitudinal comparison method are used in this paper to obtain the leakage inductance variation, and then comprehensive judgment of winding deformation is available. Moreover leakage inductance variation based transformer winding deformation monitoring system is introduced, which make it passible to apply this method to practice. In the end, practical applicability is validated by PSCAD simulation results and the data from the field.

引用

页码：1759 / 1764

页数：6

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