Abstract
The configurations of multi-energy storage devices in the regional integrated energy system (RIES) can greatly improve the economic benefits of the system and it is an important research direction of RIES planning. However, at present the research on the optimization of electric/thermal/gas multi-energy storage configuration in RIES is insufficient. Under this background, the method to deploy the rated capacity and power of multi-energy storage systems for RIES containing power to gas (P2G) device was proposed in this paper. Bi-level optimization model was established in the purpose of considering the interaction between the configuration and operation of the multi-energy storage systems at the same time. The upper level was optimized for configuration, and the lower level was optimized for operation. By the Kuhn–Tucker approach, the bi-level problem was transformed into a single level optimization problem that can be solved with Gurobi optimizer. Finally, the correctness of the proposed model was verified by an example.
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