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针对继电保护整定计算只需要确定电力网络静态结构的特点,利用基于MS·NET的面向对象技术实现了正序和零序网络拓扑分析。通过连接点类和连接项类形成网络的原始连接关系,采用按深度优先搜索的方法生成正序和零序网络拓扑,并在零序拓扑分析时利用迭代器设计模式以简化搜索过程;把节点、支路分别抽象成类,解决了正序、零序网之间节点和支路编号不对应的问题;最后通过应用实例验证,该方法取得了良好的效果。
For the relay setting calculation only need to determine the characteristics of the static structure of the power network, the use of object-oriented technology based on MS NET achieve positive sequence and zero sequence network topology analysis. The original connection relation of the network is formed by the connection point class and the connection item class, the depth-first search method is used to generate the positive and negative sequence network topologies, and the iterative design pattern is used to simplify the search process in the zero-sequence topology analysis; , The branches are respectively abstracted into categories, which solves the problem that the numbers of nodes and branches in the positive sequence and zero sequence networks do not correspond to each other. Finally, the method has achieved good results through application examples.