Architecture Analysis and Simulation Research of Distributed Generation for Flexible Distribution Network

Flexible distribution network, which can accept distributed power, is a key feature of smart distribution network in the future. Firstly, the basic structure of distribution system with soft open point (SOP) is established in this paper. PV, fan and energy storage are connected to the AC or DC area of distribution network according to the characteristics of each distributed power. Then, this paper do researches on the mathematical model of SOP and its main operational control strategy. Finally, in this paper, the simulation experiments of feeder output optimal equalization, uninterruptible power supply and energy scheduler for flexible distribution network are carried out by the flexible switching of control mode and operational strategy of converter. The result of simulation verifies that the system structure of AC and DC flexible distribution network with SOP has the advantages of receiving distributed power and flexible control.