Total Supply Capacity of the Distribution Network Based on SCDN

Abstract

The total supply capacity of the distribution system can intuitively reflect the power supply capacity of the existing distribution network SCDN (Substation Centralized Distribution Network) is a kind of 10 kV network centered on the 10 kV bus of a high-voltage substation and covering all its power supply through a large number of interconnected generalized switches. Studying the total supply capacity of SCDN is helpful to understand the characteristics of medium voltage network obtained by SCDN which is a new distribution network segmentation method. Firstly, the large and complex urban distribution network is formed into several power supply networks centering on high-voltage substations, and then the total supply capacity of each substation is calculated from the perspective of substations, so as to obtain the total supply potential of the whole network. The case shows that the solution method of total supply capacity of SCDN supply area effectively mines the power supply capacity of SCDN supply area effectively mines the power supply potential of the network. Compared with the solution model of total supply capacity based on feeder interconnection, it mines about 72.44% of the remaining power supply capacity, reflecting the contribution of power supply capacity from the perspective of SCDN.