面向阻塞管理的多聚合商-配电网分布式运行优化策略OA

Distribution networks with the participation of distributed resource aggregators(DRAs)are confronted with problems including insufficient proactivity in congestion management and low efficiency of cross-entity coordination,which necessitates development of a rapid dispatch approach for multi-entity collaboration.To address this issue,this paper constructs a day-ahead and intra-day two-stage coordinated scheduling framework.In the day-ahead stage,this paper conducts differentiated modeling for DRAs.It introduces the asynchronous parallel alternating direction method of multipliers(ADMM).This method achieves a rapid solution while protecting the privacy of all parties through the limited interaction of boundary power and price signals.In the intra-day stage,this paper proposes an event-driven rolling optimization strategy.It designs a congestion relief correction price that incentivizes and guides DRAs to dynamically adjust the exchanged power.When necessary,it achieves congestion elimination through minimum load shedding.Case studies demonstrate that the proposed two-stage coordinated management method significantly enhances the capability of rapidly eliminating distribution network congestion.The asynchronous parallel ADMM reduces the computation time by 82.1%compared with the conventional synchronous parallel scheme,which verifies the feasibility and superiority of the proposed method.