An Improved Control Strategy Based on DC Control System to Mitigate Commutation Failure

被引：0
|
作者：
Li, Yongguang [1 ]
Wang, Zengping [1 ]
机构：
[1] North China Elect Power Univ, Dept Elect Engn, Beijing, Peoples R China
来源：
2018 2ND IEEE CONFERENCE ON ENERGY INTERNET AND ENERGY SYSTEM INTEGRATION (EI2) | 2018年
基金：
国家重点研发计划;
关键词：
HVDC transmission; commutation failure; early firing; dc control system;
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：
In order to reduce the commutation failure on the inverter side of traditional HVDC transmission, this paper analyzes the mechanism of commutation failure and the response of HVDC system before and after commutation failure caused by ac fault. Based on the shortcomings of dc control system, a traditional dc commutation failure control strategy based on fault and current detection is proposed. Simulation results in PSCAD/EMTDC show that the proposed control strategy can restrain the commutation failure and improve the system recovery after commutation failure to a certain extent.
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收藏
页数：5
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