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A significant problem of turbogenerators on complex end structures is overheating of local parts caused by end losses and complex fluid flow in the end region. Therefore, it is important to investigate the 3-D flow and heat transfer process in the end. Using a 200-MW air-cooled turbogenerator as an example, the influences of end cores and the actual shapes and material of the end coils, press finger,...
In this paper, the cooling system of a 200MW air-cooled turbo-generator used in IGCC power station is studied by using multi-physic field analysis under normal operation and insulation aging cases, which will provide theoretical basis for the safety operation of turbo-generator in IGCC power station. Firstly, according to the fluid flow and heat transfer characteristics of multi-path ventilation system...
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