空冷汽轮发电机增压运行的性能研究  

Performance Study on the Pressurized Operation of Air-cooled Turbine Generator

作　　者：官永胜 GUAN Yongsheng(Dongfang Electric Machinery Co.,Ltd.)

机构地区：[1]东方电气集团东方电机有限公司,618000

出　　处：《电机技术》2020年第2期6-13,共8页Electrical Machinery Technology

摘　　要：发电机单机容量的提高使空冷技术在效率和温升等方面逐渐暴露出不足,限制了空冷发电机容量的进一步发展。但随着气体压力的提高,空气传热能力得到改善,能够有效降低电机温升:文章以某空冷汽轮发电机为例,对增压工况下的相关运行性能进行研究。With increase of the grid and unit capacity,air-cooled technology used in turbine generators gradually shows weak points in the field of efficiency and temperature rise,resulting in restriction on the further growing of the air-cooled generator capacity.However,with the increase of air pressure,heat-transfer ability of air gets enhanced and temperature rise of generators drops.An air-cooled turbine generator is taken as example,the relative performance study of the pressurized turbine generator is conducted.

关 键 词：空气冷却 汽轮发电机 增压 出力 性能 

分 类 号：TM302[电气工程—电机]