Research and Prospect for Soft Open Point Based Flexible Interconnection Technology for Smart Distribution Network

he flexible interconnection technology based on soft open point(SOP)brings great changes to the construction and operation of conventional distribution networks. The paper focuses on the key issues of SOP based flexible interconnection in a smart distribution network. The technical concepts, characteristics and advantages are introduced in detail. The future typical application of SOP in a smart distribution network is analyzed. The research and development on SOP based flexible interconnection technology is forecasted in key aspects as operation optimization, fault recovery, optimal configuration and equipment implementation.