大朝山电站水轮机顶盖减压措施探讨

Study and Discussion on Measures to Reduce the Head Cover Pressure of the Hydraulic Turbines in Dachaoshan Hydropower Plant

通过对大朝山转轮泄水锥及上冠排水孔封闭前后顶盖压力的比较,说明了转轮分瓣法兰及上冠排水孔对顶盖压力的影响,提出了改进措施和方法,经运行检验,效果良好。