基于多源数据融合的电网故障辅助分析

Grid Fault Assisted Analysis Based on Multi-source Data Fusion

该文设计了电网故障辅助分析系统的功能和结构,并提出了具体的设计方案和分析方法。结果表明,利用模糊Petri网和HHT算法对开关量和电气量进行分析,融合算法所提取的表征,可以得到更加精确的分析结果。通过实际故障仿真案例验证了该方法的精确性,确实有效提高了故障辅助分析方法的精准度,可以有效避免断路器及保护器的误动、拒动所带来的负面影响,具有重要的应用价值。

Based on multi-source data fusion for grid fault assisted analysis,the function and structure of grid fault assisted analysis system are designed,and the specific design scheme and analysis method are proposed.The results show that the fuzzy Petri net is used to analyze the switch quantity and the HHT algorithm is used to analyze the electric quantity.The characterization of these algorithms can be combined to obtain more accurate analysis results.The accuracy of the method is verified by the actual fault simulation case,which effectively improves the accuracy of the fault-assisted analysis method,and can effectively avoid the negative effects caused by the malfunction and rejec-tion of the circuit breaker and the protector.