大型地下式水电站主变冷却器控制柜散热问题分析及处理  

Analysis and Treatment of the Heat Dissipation Problem in the Control Cabinet of the Main Transformer Cooler in Large-scale Underground Hydropower Station

作　　者：杨海 黄福强[1] 李圳培 杨澜 李妮婷 李永峥 YANG Hai;HUANG Fuqiang;LI Zhenpei;YANG Lan;LI Niting;LI Yongzheng(China Yangtze Power Co.,Ltd.,Yichang 443000,China)

机构地区：[1]中国长江电力股份有限公司,湖北宜昌443000

出　　处：《水电与新能源》2024年第11期45-48,共4页Hydropower and New Energy

摘　　要：大型地下式水电站主变冷却器控制柜柜内高温发热可以引发冷却器故障,造成变压器油温升高,给变压器的运行带来隐患。在分析主变冷却器控制柜内温度高的主要原因基础上,针对性地采取增加冷却器控制柜散热通道、合理布置发热严重回路、元器件换型等措施,以达到散热的目的。实际应用表明这些措施有效性,可供同类水电站借鉴。High temperature heating in the control cabinet of the main transformer cooler in large-scale underground hydropower station may cause the failure of the cooler system,resulting in the increase of the transformer oil temperature and posing a hidden danger to the operation of the transformer.With the analysis of the major reasons for the high temperature in the control cabinet,various measures such as increasing the cooling channels of the cooler control cabinet,reasonable arrangement of circuits with severe heating,and components replacement are taken for heat dissipation.Practical application shows that the measures are effective,which can be useful reference for similar hydropower stations.

关 键 词：地下式水电站 冷却器系统 散热 控制柜 

分 类 号：TV737[水利工程—水利水电工程]