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1300MW级核电汽轮发电机通风冷却系统设计及试验验证

XU Guojun,ZHENG Dongping,ZHANG Jiakang

Electrical Machinery Technology（2023）

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Abstract
对1300MW级核电汽轮发电机通风冷却系统进行介绍,采用等效网络节点法对整机通风系统的压力和流量分配进行计算,并采用等效热路法对发电机主要部件的温升进行计算.同时,通过厂内型式试验,对该发电机通风冷却系统的关键参数(发电机总风量、风扇压力和部件温升等)进行了测量.结果表明,试验值符合设计预期,与设计值的偏差均在合理范围内,该通风冷却系统可以保证发电机长期、可靠运行.
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Key words
turbine generator,ventilation and cooling system,design,test verification
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