Collaborative Optimal Pricing and Day-Ahead and Intra-Day Integrative Dispatch of the Active Distribution Network with Multi-Type Active Loads

Abstract

Abstract:In order to better handle the new features that emerge at both ends of supply and demand, new measures are constantly being introduced, such as demand-side management (DSM) and prediction of uncertain output and load. However, the existing DSM strategies, like real-time price (RTP), and dispatch methods are optimized separately, and response models of active loads, such as the interruptible load (IL), are still imperfect, which make it difficult for the active distribution network (ADN) to achieve global optimal operation. Therefore, to better manage active loads, the response characteristics including both the response time and the responsibility and compensation model of IL for cluster users, and the real-time demand response model for price based load, were analyzed and established. Then, a collaborative optimization strategy of RTP and optimal dispatch of ADN was proposed, which can realize an economical operation based on mutual benefit and win-win mode of supply and demand sides. Finally, the day-ahead and intra-day integrative dispatch model using different time-scale prediction data was established, which can achieve longer-term optimization while reducing the impact of prediction errors on the dispatch results. With numerical simulations, the effectiveness and superiority of the proposed strategy were verified.

Optimal operation of virtual power plants with shared energy storage

“…where C vpp is the total cost of VPPs that is formulated in Equation (36), whereas C t i;g , C t i;dr , C t i;buy , and C t i;sell are shown in Equations ( 11), (37), (30), and (34), respectively.…”

“…By alternating a direction method of multipliers, a Nash bargaining cooperative optimization model for wind-solar hydrogen multi-agent energy system is proposed and solved [29]. Considering the uncertainty of market price, RE, and integrated demand response, an integrated energy trading model based on Nash negotiation is proposed [30].…”