西门子先进的大功率燃气轮机

西门子W501F、W501G和V94．3A是目前世界上性能最优异的大功率燃气轮机。本文叙述了西门子先进燃气轮机产品的发展概况．并介绍了应用最新的气动技术、材料及涂层、密封技术、冷却技术及燃烧技术在减少NOx排放、延长计划检修间隔、扩大偏周波范围、提高调峰能力、增加燃气轮机出力、提高效率等方面所取得的显著成果。实践证明．这些先进技术不仅提高了燃气轮机电厂的经济性．而且在不影响可靠性的务件下，提高了使用寿命．减少了电厂的污染排放。

Siemens'''' Advanced Large Gas Turbines

The Siemens W501F,W501G and V94.3A advanced technology gas turbine are best in the world. The paper describes the development for the Siemens' advanced technology gas turbine ,and introduces development and retrofittable enhancements, including latest aerodynamic, high temperature tolerant materials, advanced coating systems, sealing improvements, component cooling and Dry Low NOx combustion systems incorporated in the operating engines to ensure emission reduction, off frequency extension, maintenance interval duration, cycling capability, increasing power output and high efficiency performance. The experiences show that these advanced technologies have allowed for increased power and efficiency combined with decreased emissions and life-cycle costs without sacrificing reliability.