Implementation of Intelligent Emergency Repair System for Distribution Network Based on Outage Risk Assessment Method

Intelligent maintenance of distribution network is an important means to reduce the operation risk probability and economic loss of distribution network failure. The risk assessment process of outage in distribution network is introduced. Under the advantage of data and information sharing, the failure probability calculation method of distribution network equipment considering weather factors and the distribution network outage probability calculation method based on feeder partition are used to estimate the load point outage probability by the intelligent emergency repair system (IERS). Considering the factors of distribution network outage loss, the outage loss assessment method based on user classification is used to calculate the outage loss. With the help of IERS, the loss of power failure in a power failure accident is significantly reduced to $5.54 \%$. The practicability of the IERS in calculation of outage probability, outage loss estimation and fault repair decision is verified through case study.