蒸汽参数对电厂热经济性影响的研究

Study on Economic Impact of Steam Parameters for Power Plant

文章介绍了蒸汽初参数和终参数对大型火力发电机组热经济性的一些影响,详细阐述了提高初温和初压对理想循环热效率和对汽轮机绝对内效率的影响,阐明了提高蒸汽初温和初压所受到的限制,叙述了降低蒸汽终参数对电厂热经济性的影响以及所受到的限制。

This article introduces the effect of steam initial parameter and final parameters for thermal efficiency of large thermal power generating units,gives details on the effect of improve the initial temperature and pressure on the Ideal cycle thermal efficiency and the absolute efficiency of turbine,illustrates the restrictions when improve steam initial pressure and temperature,further more,describes the effect and restrictions of reduce steam final parameters on thermal efficiency of power plant.