Investigation and Application of Forced Cooling of WH 600MW Steam Turbine

被引：0
|
作者：
Shi, Yongfeng [1 ,2 ]
Xu, Jianqun [1 ]
Ma, Lin
机构：
[1] Southeast Univ, Sch Energy & Environm, Key Lab Energy Thermal Convers & Control, Minist Educ, Nanjing 210096, Jiangsu, Peoples R China
[2] HuaDian Elect Res Inst, Hangzhou 310030, Zhejiang, Peoples R China
来源：
THERMAL, POWER AND ELECTRICAL ENGINEERING, PTS 1 AND 2 | 2013年 / 732-733卷
关键词：
Forced cooling; Natural cooling; Radiating mechanism; Control strategy;
D O I：
10.4028/www.scientific.net/AMR.732-733.242
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
With a long natural cooling time after a shutdown of steam turbine restricting its available coefficient, this paper presented the analysis and application of a forced cooling process to sub-critical steam turbine. The radiating mechanism of natural cooling was analyzed theoretically, and the required amount of cooling air was calculated for a WH 600MW steam turbine. Moreover, the cooling rate with no life loss principle was determined by the method of quantitative calculation and numerical analysis, together with safety analysis. The research discussed the control strategy of practical application according with steam turbine characteristic and applied to operation, which provided theoretical guidance for the optimization of cooling condition.
引用
收藏
页码：242 / +
页数：2
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