Distributed Dispatch for Local Energy Communities Based on Alternating Direction Method of Multipliers
2021 International Conference on Power System Technology (POWERCON)(2021)
摘要
As the penetrations of distributed generation (DG) and power electronics increase, the distribution network is evolving from a hierarchical structure to a distributed structure, which poses a major challenge to system operations. This paper proposes a distributed energy management method for local energy communities (LECs) to coordinate a large number of DGs and controllable devices to guarantee economic and secure operations in the power market environment. First, the second-order cone relaxation is performed to transform the original model into a convex model, and thereby the networked LECs are decomposed into several sub-systems. Then, alternating direction multiplier method (ADMM) is invoked to implement the energy management of LECs in a distributed fashion. Finally, case studies are conducted on the modified IEEE 33-node test system to validate the effectiveness of the proposed model and algorithm.
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关键词
local energy communities,distributed optimization,energy management
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