【摘要】 近年来，燃气－蒸汽联合循环电站因其效率高、建设周期短、成本低、调峰性能好和能满足世界各国的环保要求而越来越多地被采用。燃气-蒸汽联合循环电站的效率主要由设备的性能、燃料的种类以及排烟温度来决定。以大功率、高排气温度的燃气轮机为重点，讨论了联合循环中主要设备的选型原则和一些主要参数的优化设计方法。更多还原

【Abstract】 The efficiency of combined cycle power plant is determined by main equipment performances, fuel type and temperature of exhaust gas. This paper discusses the principle of main equipment selection and optimizing design of some important parameters for combined-Cycle base on heavy-duty gas turbine.更多还原