A Single-ended Transient Based Voltage Protection Method of UHVDC Transmission Line Which Distinguishes the Opposite Side's Internal and External Fault with Protectors

被引：0
|
作者：
Chen, Shilong [1 ]
Zhang, Jie [1 ]
Xie, Jiawei [1 ]
Liu, Li [1 ]
机构：
[1] Kunming Univ Sci & Technol, Sch Elect Power Engn, Kunming 650500, Yunnan Province, Peoples R China
来源：
ADVANCES IN ENERGY SCIENCE AND TECHNOLOGY, PTS 1-4 | 2013年 / 291-294卷
关键词：
Physical boundary of UHVDC transmission line; Frequency characteristic; Fault-generated signal; Attenuation; Simulation; PSCAD;
D O I：
10.4028/www.scientific.net/AMM.291-294.2244
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：
The paper studied the frequency characteristics of UHVDC transmission line and UHVDC transmission line boundary and their attenuation to high frequency components of fault-generated transient signal. The paper points out that existing approaches which utilize protectors to distinguish local side's internal or external fault can't protect the whole line. UHVDC transmission line and UHVDC transmission line boundary's attenuation to high frequency fault-generated transient signal is overall considered, and a single-ended transient based voltage protection method which distinguishes the opposite side's internal and external fault is proposed. The Yunnan-Guangdong UHVDC model of actual parameters was built up by PSCAD, and simulation experiment was conducted.
引用
收藏
页码：2244 / 2249
页数：6
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