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Optimal Configuration of Integrated Energy System Based on Energy-Conversion Interface

School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(7), 1367;
Received: 26 January 2019 / Revised: 20 March 2019 / Accepted: 25 March 2019 / Published: 1 April 2019
(This article belongs to the Special Issue Intelligent Energy Management of Electrical Power Systems)
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Aiming at the optimal configuration of a regional integrated energy system (IES), this paper proposes an energy-conversion interface (ECI) model that simplifies the complex multienergy network into a multi-input–multioutput dual-port network, consequently achieving the energy-coupling relationship between the energy-supply side and the demand side. An optimized configuration model of the ECI was constructed by considering economic performance, such as device-installation cost, operation and maintenance cost, and environmental cost, as well as energy-saving performance, such as energy-utilization efficiency. Then, the ECI optimal-configuration model was established by taking a campus in northern China as an example. To verify the validity of the model, device planning quantity and daily energy scheduling of the integrated energy system of the campus were obtained by solving the model with the particle-swarm optimization method. Finally, sensitivity analysis of the system to energy prices and the reweight approach for the targets are also given in this paper, providing a decision-making basis for system planning. View Full-Text
Keywords: integrated energy system; energy-conversion interface; optimal configuration integrated energy system; energy-conversion interface; optimal configuration

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Yu, Z.; Yang, X.; Zhang, L.; Zhu, Y.; Xia, R.; Zhao, N. Optimal Configuration of Integrated Energy System Based on Energy-Conversion Interface. Appl. Sci. 2019, 9, 1367.

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