Analytical Calculation Method of Distribution System Reliability Indexes Considering Access Mode of Double-Ended SOP

Aiming at the two access modes of double-ended SOP, a reliability evaluation method for power distribution system based on fault impact correlation matrix is proposed in this paper. Firstly, the matrix-based fault impact type determination method and reliability index calculation method are introduced. Then, the establishment method of fault impact matrix is given. Then, combined with the two access modes of double-ended SOP, the influence of different access modes of double-ended SOP on the reliability of distribution network is analyzed. Finally, the IEEE RBTS Bus 6 standard network is used to construct a power distribution system with SOP to verify the correctness of the proposed method. The results show that SOP can reduce the power loss time of the load and improve the load transfer capacity, which has a great effect on improving the reliability of the power distribution system.