Studies on stator single-line-to-ground faults protection for a Powerformer considering the winding electromotive force distribution

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成果类型：

期刊论文

作者：

Wang, Yuanyuan*;Huang, Xiancheng;Zeng, Xiangjun;Liang, Jun;Chen, Xiaoqiao;...

通讯作者：

Wang, Yuanyuan

作者机构：

[Wang, Yuanyuan; Liu, Ying; Kong, Yang; Zeng, Xiangjun; Huang, Xiancheng; Guo, Yongsheng] Changsha Univ Sci & Technol, Hunan Prov Key Lab Smart Grids Operat & Control, Sch Elect & Informat Engn, Changsha 410114, Hunan, Peoples R China.

[Liang, Jun] Cardiff Univ, Sch Engn, Cardiff CF24 3AA, Wales.

[Chen, Xiaoqiao] CALTECH, Comp & Math Sci Departmeny, Pasadena, CA 91125 USA.

[Xu, Yao] Pacific Gas & Elect Co, San Francisco, CA USA.

通讯机构：

[Wang, Yuanyuan] C

Changsha Univ Sci & Technol, Hunan Prov Key Lab Smart Grids Operat & Control, Sch Elect & Informat Engn, Changsha 410114, Hunan, Peoples R China.

语种：

英文

关键词：

Distributed parameter control systems;Electric equipment protection;Electric fault currents;Electric generators;Electric grounding;Electric power system protection;Electromotive force;Stators;Winding;Electromotive force distribution;Powerformers;Protection schemes;Single line to ground faults;Zero sequences;Surge protection

期刊：

International Journal of Electrical Power & Energy Systems

ISSN：

0142-0615

年：

2020

卷：

119

页码：

105940

DOI：

10.1016/j.ijepes.2020.105940

基金类别：

This work is supported by the National Natural Science Foundation of China (No. 51777014). Hunan Provincial Key Research and Development Program (No. 2018GK2057). Educational Commission of Hunan Province of China (18A124). Changsha Science and Technology Project (kq1901104). Hunan Graduate Research and Innovation Project (CX20190686, CX2018B556). This work is supported by the National Natural Science Foundation of China (No. 51777014 ). Hunan Provincial Key Research and Development Program (No. 2018GK2057 ). Educational Commission of Hunan Province of China ( 18A124 ). Changsha Science and Technology Project ( kq1901104 ). Hunan Graduate Research and Innovation Project ( CX20190686 , CX2018B556 ).

机构署名：

本校为第一且通讯机构

院系归属：

电气与信息工程学院

摘要：

The Powerformer is very different from a traditional generator in terms of the stator winding material, the winding process and the grid-connection schemes. Therefore, the electrical parameters of the stator winding and the distribution characteristics of the electrical fault component are considerably different from those of a conventional generator. If the traditional protection scheme of a generator is simply applied to a Powerformer, the reliability and sensitivity of the protection will be lowered. Therefore, this paper carefully analyzes ...

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Studies on stator single-line-to-ground faults protection for a Powerformer considering the winding electromotive force distribution

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