配网自动化故障处理技术及其实践应用

Fault Handling Technology and Practical Application of Distribution Network Automation

为实现提升配网自动化运行可靠性目标,文章就自动化故障处理技术在配网中的应用展开分析。首先,分析了故障自动识别算法和技术应用流程,结合仿真分析结果证明,在配网跳闸故障识别方面,可达到样本训练集和测试集上识别率分别为93.51%和94.21%的准确率。其次,分析了集中型和就地型馈线自动化处理模式,分别就以上两种模式的实践应用进行阐述,重点说明重合器式、智能分布式和集中型馈线故障处理的基本方式。对应用故障处理技术前后的配网各运行指标变化进行比对,发现技术应用后故障率明显降低,证明自动化故障处理技术切实可行。

In order to achieve the goal of improving the reliability of distribution network automation operation,the article analyzes the application of automated fault handling technology in the distribution network.Firstly,analyze the automatic fault identification algorithm and technical application process,and combine simulation analysis results to prove that the recognition accuracy of 93.51%and 94.21%on the sample training set and test set can be achieved in the identification of distribution network tripping faults,respectively.Secondly,analyze the centralized and local feeder automation processing modes,and elaborate on the practical applications of the above two modes,with a focus on explaining the basic methods of reclosing,intelligent distributed,and centralized feeder fault handling.Comparing the changes in various operational indicators of the distribution network before and after the application of fault handling technology,it was found that the fault rate significantly decreased after the application of the technology,proving the feasibility of automated fault handling technology.