Detection Method of HVDC CF Based on Characteristics of Valve-side Current

被引：0
|
作者：
Chen G. [1 ]
Fu C. [2 ]
Zhang Y. [1 ]
机构：
[1] Guangdong Key Laboratory of Clean Energy Technology, School of Electric Power, South China University of Technology, Guangzhou, 510641, Guangdong Province
[2] State Key Laboratory of HVDC, Electric Power Research Institute, China Southern Power Grid, Guangzhou, 510663, Guangdong Province
来源：
Dianwang Jishu/Power System Technology | 2019年 / 43卷 / 10期
基金：
中国国家自然科学基金;
关键词：
CF; DC transmission; Detection method; Valve-side current;
D O I：
10.13335/j.1000-3673.pst.2018.1560
中图分类号：
学科分类号：
摘要：
At present, there is no quick response or reliable detection method for commutation failure (CF) in HVDC systems. In order to solve this problem, the valve-side current that can be directly measured in practical project was used as research object. The CF process at HVDC inverter side was analyzed. The characteristics of valve-side current during CF was derived and 2 cases of the characteristics of valve-side current was summarized. A CF criterion based on the characteristics of valve-side current was proposed, and a CF detection method based on characteristics of valve-side current was designed. Taking CIGRE benchmark HVDC model as an example, CF detection module based on characteristics of valve-side current was established in PSCAD/ EMTDC. The simulation results showed correctness of the analysis of the characteristics of valve-side current during CF, and the proposed method can correctly and quickly detect CF occurrence. © 2019, Power System Technology Press. All right reserved.
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收藏
页码：3488 / 3496
页数：8
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