The upperguidebearing pads of unit 2 in Jiangsu Shahe Pumped-storage Power Plant had been burned to damage during commissioning period.
江苏沙河抽水蓄能电站2号机组在调试过程中曾出现上导瓦烧损事故。
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The article presents structural characteristics of upperguidebearing as well as structure and working principles of upperguide cooler of 700MW turbine generator at Longtan Hydropower Station.