A two-phase method based on OBDD for searching for splitting strategies of large-scale power systems
A two-phase method based on OBDD for searching for splitting strategies of large-scale power systems
复制标题
基于OBDD的大型电力系统分流策略搜索的两阶段方法
DOI：
10.1109/icpst.2002.1047516
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发表时间：
2002
期刊：
影响因子：
--
通讯作者：
Qiang Lu
中科院分区：
文献类型：
--
作者：
K. Sun;Qianchuan Zhao;D. Zheng;Jin Ma;Qiang Lu
系统分离问题又称受控系统分离问题，是在系统孤岛运行不可避免的情况下，确定适当的分离点，将整个互联输电网络分割成发电量相匹配的负荷孤岛。随着电网规模的增大，搜索空间的组合爆炸式增长，使得搜索变得非常困难。本文通过引入系统分裂问题的图模型，提出了一种实时寻找合适的分裂策略的两阶段方法。该方法可以在第一阶段通过高效的基于obdd的算法缩小策略空间，在第二阶段通过潮流计算给出所有合适的分裂策略。在IEEE 30总线测试网络上的仿真结果表明，该方法可以快速（在几秒内）给出所有适当的分割策略，保证各岛的同步、功率均衡和满足输电线路和其他设施的容量约束。
System splitting problem, also known as controlled system separation problem, is to determine proper splitting points to split the entire interconnected transmission network into islands of load with matched generation when islanding operation of system is unavoidable. It is very difficult because of combinatorial explosion of searching space with the size of power network increasing. This paper proposes a two-phase method to find proper splitting strategies in real time by introducing the graph-model of system splitting problem. The method can narrow down the strategy space by highly efficient OBDD-based algorithm in the first phase and give all proper splitting strategies by power-flow calculation in the second phase. Simulation results on IEEE 30-bus test network shows that this method can quickly (in several seconds) give all proper splitting strategies guaranteeing synchronization, power balance and satisfaction to capacity constraints of transmission lines and other facilities in each island.