Ventilation Cooling Design for a Novel 350-MW Air-Cooled Turbo Generator

被引：13
|
作者：
Zhou, Guang-Hou [1 ]
Han, Li [1 ]
Fan, Zhen-Nan [2 ]
Zhang, Hai-Bo [3 ]
Dong, Xiu-Cheng [2 ]
Wang, Jun [2 ]
Sun, Zhang [2 ]
Zhang, Bi-De [2 ]
机构：
[1] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing 400030, Peoples R China
[2] Xihua Univ, Key Lab Fluid & Power Machinery, Minist Educ, Chengdu 610039, Sichuan, Peoples R China
[3] Dongfang Elect Machinery Co Ltd, Deyang 618000, Peoples R China
来源：
IEEE ACCESS | 2018年 / 6卷
关键词：
Air-cooled turbo generator; computational fluid dynamics; efficiency test; type test; temperature rise; ventilation cooling;
D O I：
10.1109/ACCESS.2018.2875757
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Herein, we successfully designed a ventilation system for a new 350-MW air-cooled turbo-generator based on a reasonable lectotype choice and optimization analysis. Fluid field and thermal analysis based on computational fluid dynamics were performed to guide the optimization of cooling structures and ensure temperature rise under the limit of insulation grade B. The measured values obtained from recent factory assembly-type testing were found to coincide with the design expectations for generator efficiency and temperature rise. The results confirmed the feasibility of a multi-chamber forward-flow cooling path for 400-MVA-class air-cooled generators.
引用
收藏
页码：62184 / 62192
页数：9
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