摘要
从国内外多次大停电事故来看,传统后备保护由于存在仅根据本地测量信号进行判断的不足,客观上加速了连锁跳闸的发生。基于广域测量系统的广域后备保护算法引入了系统信息,这使得从全网角度考虑,来制定有利于整个系统的优化控制策略成为了可能。对几种广域后备保护算法的设计思想和识别判据进行了归类与比较,简要分析了各不同原理算法在实际应用中的优缺点。随着后续研究的推进,广域后备保护算法中存在的问题将会得到进一步的解决。
According to the reasons for blackouts occurred at home and abroad,the drawbacks of traditional backup protective devices which is to identify the faults only based on local measuring signals have sped up the process of cascading trips objectively. Wide area backup protection based on wide area measurement system have introduced information of whole power system, making it possible to develop optimizing control strategies from the global pcrspeetive. The paper classifies some wide area backup protection algorithms of different design concepts and identification criteria. The actual advantages and disadvantages are analyzed. With the advancement of the following research, problems in wide area backup protection algorithm will be further solved.
出处
《陕西电力》
2015年第3期53-57,共5页
Shanxi Electric Power
基金
中央高校基本科研业务费专项资金资助项目(12MS110)
关键词
大停电事故
广域测量系统
后备保护
blackout
wide area measurement system
backup protection
