Switching Transient Studies of 345kV Combined Transmission Systems

被引：0
|
作者：
Jung, Chae-kyun [1 ]
Lim, Kwang-sik [2 ]
Lee, Jong-beom [3 ]
Kang, Ji-won [1 ]
机构：
[1] Korea Elect Power Res Inst, 103-16 Munji Dong, Taejon 305380, South Korea
[2] JS Cable, Seoul, South Korea
[3] Wonkwang Univ, Iksan, South Korea
来源：
T& D ASIA: 2009 TRANSMISSION & DISTRIBUTION CONFERENCE & EXPOSITION: ASIA AND PACIFIC | 2009年
关键词：
Combined transmission systems; EMTP/ATP; Switching overvoltage; Pre-insertion resistance; Transients;
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：
This paper describes switching overvoltage of 345[kV] combined transmission system. Generally, switching overvoltage may cause the breakdown of insulation or joints of the underground power cable section. Therefore, in this paper, the various switching overvoltages are analysed according to the change of fault resistance, the amplitude of trapped charge and underground cable rate on 345[kV] combined transmission systems. The effects of pre-insertion resistance and surge arrester are also considered. The overvoltage calculations are only performed by statistical approach of EMTP/ATP.
引用
收藏
页码：589 / +
页数：3
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