摘要
根据天广直流输电系统高速中性母线开关的断开逻辑及运行实例,分析认为控制系统内所要求的联锁条件可能无法满足,导致相应保护动作后中性母线开关无法断开。并对比了高肇直流输电系统采取的相应逻辑,然后提出了三种改进措施,有利于确保故障点的隔离,提高直流输电系统的可靠性。
Based on the action logic of the high-speed neutral bus switch （HSNBS） in Tianshengqiao-Guangdong HVDC transmission system and the operational examples, the reason that the HSNBS could not open after the action of correlative protection is analyzed. After contrasted with the relevant logic used in Gaopo-Zhaoqing HVDC transmission system, some simple and useful suggestions are given. All these analysis and discussions are valuable for HVDC transmission projects in the future.
出处
《南方电网技术》
2009年第2期29-31,共3页
Southern Power System Technology
关键词
天广直流输电工程
高速中性母线开关
动作逻辑
Tianshengqiao-Guangzhou HVDC transmission project
high-speed neutral bus switch （HSNBS）
action logic
