Wei Hu, Yi Wu, Jiangping Jing, Xuedong Jiang, Xiaobo Li, Chaoqun Wang
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Multi-Energy Flow Calculation Model and Solution Method for Regional Integrated Energy System
The regional integrated energy system, as an important physical carrier of the energy Internet, means great significance for improving regional comprehensive energy efficiency, ensuring energy safety, and achieving substantial consumption of renewable energy. This paper proposes an expanded load flow calculation method for a multi-energy flow supply network containing electricity, gas and heat. First, the steady-state mathematical model is established for power, heat, and natural gas networks. Then, based on the general energy bus model, mathematical expression of the energy coupling link is established. On this basis, the Newton-Raphson method is taken for decoupling calculation of the multi-energy load flow model. Finally, effectiveness of the method proposed herein is verified by practical examples.
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