大容量远距离输电网暂态稳定控制方法的探讨  

PROBE ON THE TRANSIENT STABILITY CONTROL METHOD FOR HEAVILY STRESSED TRANSMISSION NETWORK

作　　者：余志文[1] 白雪峰[1] 郭志忠[1] 田洪迅 

机构地区：[1]哈尔滨工业大学电气工程系,黑龙江省哈尔滨市150001 [2]齐齐哈尔市电业局,黑龙江省齐齐哈尔市161000

出　　处：《电力系统自动化》2003年第4期57-60,65,共5页Automation of Electric Power Systems

摘　　要：大容量远距离输电系统在远距离联络线发生故障时 ,往往需要在送端切机、受端切负荷以维持系统稳定。考虑到这类系统的特点 ,按照负荷节点与联络线接入点的电气距离建立“缓冲层”,同时考虑负荷供电可靠性 ,提出了一种由近及远分层切负荷的方法。这种方法既能简化控制策略表 ,又易于装置的配置 ,对于大容量远距离输电系统而言是一种有效的暂态稳定控制策略。基于分层的思想 。When a fault occurs on the tie-line on long-distance heavily stressed transmission network, measures such as generator-shedding at the sending end and load-shedding at the receiving end should be taken to maintain the stability of power system. Considering the characteristics of this network, bumper layers are set according to the electric distance between the load node and the injecting node of the tie-line. At the same time, a method of shedding load from the near to the distance, called multi-layered load-shedding method, is proposed in this paper when considering the load reliability. Furthermore, by applying this method, the control strategy table is simplified and the equipment is easily allocated. It is proved that the proposed method is effective for the transient stability control of heavily stressed transmission network. Based on the multi-layered load-shedding method, several schemes are developed to integrate the relay system and the transient stability control system.

关 键 词：大容量远距离输电网 暂态稳定控制 电力系统 分层切负荷 策略表 多目标控制系统 

分 类 号：TM712[电气工程—电力系统及自动化]