摘要
在含分布式电源的配电网故障恢复过程中,会出现多条孤立支路和个别负荷无法恢复供电的情况。为有效解决此类问题,首先对深度优先搜索算法进行改进,实现对孤岛的精准划分;然后根据破环操作理论,采用二进制粒子群算法在剩余配电网中寻找最佳开关组合,实现故障重构;最后对IEEE33节点系统进行算例分析并使用Matpower软件验证,采用失电负荷恢复率指标来评估所提方案的恢复效果。多个算例结果的对比验证了孤岛与重构配合方案的有效性。
In the fault recovery process of distribution network with distributed generation,power supply for some isolated circuits and loads can not be recovered.In order to solve these problems effectively,the depth-first-search algorithm should be improved to achieve the accurate partition for isolated islands.Then,according to the theory of loop-breaking operation,the binary particle swarm optimization algorithm was used to find the best switch combination in the residual distribution network,and to achieve fault reconfiguration.Finally,an case study on an IEEE33 bus system was made and validated by Matpower software.The load restoration rate was used to evaluate the recovery effect of the proposed scheme.By comparing the results of several cases,the effectiveness of the proposed scheme is verified.
作者
刘星
崔双喜
LIU Xing;CUI Shuangxi(College of Electrical Engineering,Xinjiang University,Urumqi 830047,China)
出处
《华电技术》
CAS
2020年第1期29-34,共6页
HUADIAN TECHNOLOGY
基金
新疆大学自然科学基金资助项目(BS160246)
关键词
分布式电源
配电网
故障恢复
改进深度优先搜索算法
破环操作
Matpower软件
恢复率
distributed generation
distribution network
fault recovery
improved depth-first-search algorithm
loop-breaking operation
Matpower software
restoration rate
