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Optimal Energy Flow of Integrated Energy System Based on Interior Point Method

Based on the operation optimization of the traditional integrated energy system, the optimal energy flow technology of integrated energy system was examined. Besides, consideration was given to the equation constraints on the system node power and flow, the inequality constraints on node voltage, air pressure and temperature, as well as line power and pipeline flow. The optimal energy flow of integrated energy system was obtained by introducing nonlinear network constraints, establishing nonlinear optimization solution models, and adopting the prediction-correction primal dual interior point method. With a southern university town as example, a certain energy flow section was selected to verify the rationality of the model and the applicability of the solution algorithm.