基于能量枢纽的综合能源系统优化规划

Optimal Expansion Planning of Energy Hub with Multiple Energy Infrastructures

[目的]提出了基于能量枢纽的综合能源系统优化规划模型用于解决综合能源系统长期规划问题。[方法]能量枢纽(Energy Hub)是分析综合能源系统的重要模型,代表各种不同能源形式之间的耦合关系,例如电力,天然气,供热系统等。[结果]此综合能源系统优化规划模型在考虑系统可靠性,能源效率,排放指标等多种决策因素的情况下解决了不同能源形式之间的最优规划问题。[结论]综合能源系统算例分析用于验证该模型用于优化规划综合能源系统的有效性,并表明基于能量枢纽的综合能源系统针对系统的长期规划具有更大的灵活性,是研究综合能源系统规划的重要方向。

[Introduction]This paper presents an optimal expansion planning model for an energy hub with multiple energy systems.[Method]Energy hub represented a coupling among various energy infrastructures for supplying electricity,natural gas and heating loads.Combined heat and power(CHP)and natural gas furnaces were considered within the energy hub to convert energy into other forms.The multiple energy system planning problem would optimally determine appropriate investment candidates for generating units,transmission lines,natural gas furnaces,and CHPs that satisfy electricity and heating load forecasts and hub system constraints.[Result]The system performances associated with reliability,energy efficiency,and emission matrices is evaluated for the identified planning schedules.[Conclusion]Numerical simulations demonstrate the effectiveness of the proposed multiple energy system expansion planning approach based on energy hub.