Abstract

Integrated energy distribution system (IEDS) could improve the efficiency of energy utilization and minimize environmental pollution based on the multi-energy coupling link. Firstly, the model of distributed energy station is established; secondly, the optimization model for optimal dispatching of IEDS considering AC power flow of distribution system, gas flow of natural gas distribution network and the distributed energy station is established; thirdly, an optimization method for optimal dispatching of IEDS based on the second-order cone relaxation method is proposed. Finally, case studies are performed on IEDS including the modified IEEE 33-node distribution system, the modified 11-node natural gas system and 5 distributed energy stations to verify the effectiveness and efficiency of the proposed method.

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