School of Management, Northwest University of Political Science and Law, Xi’an 710122, China
Under the situation that non-renewable resources are depleting on a global scale, a multi-energy interconnection, interoperability and mutual aid energy interconnection system emerges as the times require. The realization of multi-energy interconnection system, multi-energy complementarity, source-network-load coordination, and safe and reliable energy supply are the core and key of the energy Internet project. The main purpose of this paper is to study multi-energy sources based on the cooperative optimization strategy of coupled systems. In this paper, combined with the coupled element model and the DC power flow model of the power grid, the bidirectional sensitivity matrix of the gas-electric coupling system is established, and the mutual influence relationship between the two energy subsystems is revealed. Experiments show that the IE system of the electricity-heat-cooling-air synergistic optimization mode covers more types of energy networks, more types of energy conversion, better effect of energy cascade utilization, higher energy utilization efficiency, and can meet the energy needs of users type is more comprehensive.
Coupling System, Collaborative Optimization, Multiple Energy Sources, Gas-Electric Coupling
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