The paper presents a thermodynamic(energy balance and exergy analysis) evaluation criterion and calculation formulae for cogeneration systems of gas turbines.

给出了燃气轮机热电联产系统热力学分析（能量平衡分析和分析）评价准则及计算式。

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As early as the 1980s, large industrial and commercial customers began installing onsite cogeneration systems for heat-intensive applications.

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