摘要
智能配电网的发展带来配电自动化一遥、二遥、三遥配电终端的大量应用,尤其三遥的装设使开关可遥控,从而对配电系统的可靠性情况产生较大影响。各种典型配电自动化方案实施后的配电网可靠性分析对于准确体现配电自动化的效果尤为重要。本文提出了一种新的含一遥、二遥、三遥终端配电系统的可靠性分析方法(DSRATU),定义了故障关联开关集的概念,可直接定位影响负荷停电时间的开关,并以该开关的动作时间作为故障隔离时间,体现了不同终端类型对于可靠性的影响,此外结合图论的最短路径算法对具有遥控功能的三遥终端安装位置对配电网可靠性影响进行了单独处理。采用RBTS母线2可靠性分析算例验证了所提算法的有效性,所提算法直观清晰,计算复杂度低、满足工程实际需求。
The development of the smart distribution system results in wide installation of one,two and three remote distribution terminal units into the distribution system,especially the installation of three remote terminal units that make switches controllable,which greatly affects the reliability of the distribution system. Distribution system reliability analysis method under different types of distribution automation scheme is especially important to accurately reflect the effect of distribution automation. This paper proposes a new method of distribution system reliability analysis with multiple distribution terminal units（ DSRATU）,which defines the concept of fault associated switch set,and can directly locate the switch that decide the interruption duration of loads,so we can use its switching time as the fault isolation time. The method can reflect effects of different types of terminal units on distribution system reliability. Besides,the method processes controllable three remote units using shortest path algorithm in graph theory. The RBTS BUS 2 test system is used to prove the validity of the proposed method. The proposed method is intuitively clear with low computational complexity,which can meet the requirements of real engineering.
出处
《电测与仪表》
北大核心
2015年第24期29-34,共6页
Electrical Measurement & Instrumentation
关键词
配电系统
可靠性分析
终端
故障关联开关集
最短路
distribution system
reliability analysis
terminal unit
fault relevant switches set
shortest path
