Abstract A novel trigeneration district energy system (TDES) is designed and evaluated from energy, exergy, exergoeconomic, and exergoenvironmental points-of-view. By recovering the wasted heat of a regenerative gas turbine cycle, a heat exchanger is utilized for heating applications, a Kalina cycle is run for generating some additional power, and an ejector refrigeration cycle is used for producing some cold. The problem is firstly modeled through developing a precise code in Engineering Equation Solver program and then optimal conditions are sought by coupling the outputs of modeling procedure with Artificial Neural Network, and Non-dominated Sorting Genetic Algorithm II approaches. Three new functions of integrated weighted efficiency, exergoeconomic criterion, and exergoenvironmental criterion are defined as the system’s evaluation criteria. From a robust parametric study, it is demonstrated that the system’s evaluation criteria have the highest and lowest sensitivity on the variation of pressure ratio of compressor and pinch-point temperature difference of heat exchanger 2, respectively. From the optimisation procedure, the optimum values of the system’s primary energy ratio, exergetic efficiency, exergoeconomic criterion, and exergoenvironmental criterion are 76.9%, 30.8%, 58.4 $/GJ, and 42.7 kg/GJ, respectively. At these conditions, the capacity of the TDES is 1025.9 kW, 1642.3 kW, and 304.9 kW with the associated cost of production of 149.6 $/GJ, 7.8 $/GJ, and 60.1 $/GJ for power, heat, and cold, respectively.

中文翻译：

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基于燃气轮机、Kalina 和喷射器循环的三代区域能源系统的设计和多标准优化：Exergoeconomic 和 exergoenvironment 评估

摘要 从能源、火用、火用经济和火用环境的角度设计和评估了一种新型的三代区域能源系统（TDES）。通过回收再生燃气轮机循环的废热，热交换器用于加热应用，运行 Kalina 循环以产生一些额外的功率，而喷射器制冷循环用于产生一些冷量。该问题首先通过在工程方程求解程序中开发精确代码进行建模，然后通过将建模过程的输出与人工神经网络和非支配排序遗传算法 II 方法耦合来寻找最佳条件。定义了综合加权效率、工作经济标准和工作环境标准三个新功能作为系统的评价标准。稳健的参数研究表明，系统的评估标准分别对压缩机压力比和热交换器 2 夹点温差的变化具有最高和最低的敏感性。从优化过程来看，系统一次能源比、热效率、热能经济准则和热能环境准则的最优值分别为76.9%、30.8%、58.4 $/GJ和42.7 kg/GJ。在这些条件下，TDES 的容量为 1025.9 kW、1642.3 kW 和 304.9 kW，相关的生产成本分别为 149.6 $/GJ、7.8 $/GJ 和 60.1 $/GJ 的电力、热量和冷量. 结果表明，该系统的评价标准对压缩机压比变化和换热器2夹点温差分别具有最高和最低的敏感性。从优化过程来看，系统一次能源比、热效率、热能经济准则和热能环境准则的最优值分别为76.9%、30.8%、58.4 $/GJ和42.7 kg/GJ。在这些条件下，TDES 的容量为 1025.9 kW、1642.3 kW 和 304.9 kW，相关的生产成本分别为 149.6 $/GJ、7.8 $/GJ 和 60.1 $/GJ 的电力、热量和冷量. 结果表明，该系统的评价标准对压缩机压比变化和换热器2夹点温差分别具有最高和最低的敏感性。从优化过程来看，系统一次能源比、热效率、热能经济准则和热能环境准则的最优值分别为76.9%、30.8%、58.4 $/GJ和42.7 kg/GJ。在这些条件下，TDES 的容量为 1025.9 kW、1642.3 kW 和 304.9 kW，相关的生产成本分别为 149.6 $/GJ、7.8 $/GJ 和 60.1 $/GJ 的电力、热量和冷量. exergoeconomic 标准和 exergoenvironmental 标准分别为 76.9%、30.8%、58.4 $/GJ 和 42.7 kg/GJ。在这些条件下，TDES 的容量为 1025.9 kW、1642.3 kW 和 304.9 kW，相关的生产成本分别为 149.6 $/GJ、7.8 $/GJ 和 60.1 $/GJ 的电力、热量和冷量. exergoeconomic 标准和 exergoenvironmental 标准分别为 76.9%、30.8%、58.4 $/GJ 和 42.7 kg/GJ。在这些条件下，TDES 的容量为 1025.9 kW、1642.3 kW 和 304.9 kW，相关的生产成本分别为 149.6 $/GJ、7.8 $/GJ 和 60.1 $/GJ 的电力、热量和冷量.