A Novel Optimal Power Flow Method for Distributed New Energy Participation in Electricity Market

Due to the limitations of large-scale scheduling and control technology for distributed new energy, it is currently difficult for China to carry out large-scale market-oriented trading of distributed new energy. In response to this issue, this article conducts research on the optimal power flow algorithm for active distribution networks based on semi definite programming. Firstly, based on the operational characteristics of actual components such as distributed new energy and controllable loads in the distribution network, an optimal power flow analysis model for active distribution networks considering high proportion of distributed power sources is established. On this basis, the scheduling control schemes of continuous controllable equipment and discrete controllable equipment are taken as independent variables, and a multivariate objective function is established that takes into account economic, safety, and environmental attributes. A semi definite programming based optimal power flow analysis and calculation model for active distribution networks is proposed. Finally, the effectiveness of the proposed method was verified using an IEEE33 node example.