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Sensitivity Analysis of Influencing Factors of Power Failure in Distribution Network based on Big Data of Distribution Network

Considering the main factors affecting the fault outage of distribution network, such as grid structure, operation and maintenance management level and equipment level, the non-linear mapping relationship between input characteristic variables and fault outage reliability index value is constructed, and the prediction model of distribution network fault outage reliability index based on BP neural network is established. According to the proposed model, sensitivity analysis of each influencing factor is carried out, and the weak links of a city's distribution network are obtained, which can provide reference for the direction of reliability improvement.