Research on Corona Control in DC Voltage Withstand Test for UHV Converter Transformer

被引：0

作者：

Jin, Shuo ^{[1
]}

Ruan, Jiangjun ^{[1
]}

Du, Zhiye ^{[1
]}

Gong, Ruohan ^{[1
]}

Zhu, Lin ^{[2
]}

机构：

[1] Wuhan Univ, Sch Elect Engn, Wuhan, Peoples R China

[2] State Grid Hubei Elect Power Co Technol, Training Ctr, Wuhan, Peoples R China

来源：

2016 IEEE INTERNATIONAL CONFERENCE ON HIGH VOLTAGE ENGINEERING AND APPLICATION (ICHVE) | 2016年

关键词：

UHV; Converter transformer; DC voltage withstand test; FEM;

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：

Corona discharge will influence the partial discharge measurement during direct current (DC) withstand voltage test for ultra high voltage (UHV) converter transformers. This paper discussed the corona control measures for corona ring and foil expansion pipe, through finite element method (FEM) simulation. An 800 kV converter transformer was taken as object. The influences of the size of corona rings and arrangement of foil expansion pipe on their surface electric field intensity during the test were discussed. Maximum surface electric field intensity values under different arrangement are given. The results of this paper can provide some reference to actual test of UHV DC transmission projects.

引用

页数：4

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