A Transmission and Distribution Cooperative Congestion Scheduling Strategy Based on Flexible Load Dynamic Compensation Prices

Hui Sun (), Tian Jin (), Zhengnan Gao, Shubo Hu, Yanan Dou and Xueli Lu
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Hui Sun: School of Electrical Engineering, Dalian University of Technology, Dalian 116024, China
Tian Jin: School of Electrical Engineering, Dalian University of Technology, Dalian 116024, China
Zhengnan Gao: China Electric Power Research Institute Co., Ltd., Beijing 100192, China
Shubo Hu: Electric Power Research Institute, State Grid Liaoning Electric Power Co., Ltd., Shenyang 110055, China
Yanan Dou: Langfang Power Supply Company, State Grid Jibei Electric Power Co., Ltd., Langfang 065099, China
Xueli Lu: Disaster Prevention and Reduction Center, State Grid Hunan Electric Power Co., Ltd., Changsha 410007, China

Energies, 2024, vol. 17, issue 5, 1-24

Abstract: With the demand response and the massive access of distributed energy to the distribution network, it is possible to solve the transmission congestion problem by coordinating the controllable resources in a transmission network and distribution network. Aiming at resolving the problems of scattered side response resources and difficult-to-negotiate compensation prices, a bi-level optimal congestion scheduling strategy based on flexible load dynamic compensation prices is proposed. Under this strategy, the transmission network layer aims at minimizing the congestion cost and optimizes the adjustment scheme of the generator set and the node price. The active distribution network layer obtains the dynamic compensation price of the flexible load of the distribution network through the load characteristics and the node price. Through the interaction and coordination between the two layers, an optimal congestion scheduling scheme is obtained, and the transmission and distribution jointly solve the congestion problem. Based on the modified IEEE-39 experimental system, the effectiveness of the proposed strategy is verified via a simulation.

Keywords: congestion management; transmission and distribution coordination; active distribution network; demand response; compensation price (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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