美国哥伦比亚河上大古力(Grand Coulee)水屯厂的扩建工程第22、23、24号混流式水轮发电机,铭牌出力70万千瓦,转轮直径9.9米,是当前世界上单机出力最大的水轮发电机组,也是当前世界上直径最大的混流式机组。该机组水轮机额定出力71.6万千瓦,最大出力82.7万千瓦,设计水头86.9米,最大水头108.2米; Expansion of No. 22, No. 23 and No. 24 Francis turbines at the Grand Coulee Shuitun Plant on the Columbia River in the United States with a nameplate output of 700,000 kilowatts and a runner diameter of 9.9 meters have made it the largest stand-alone power plant in the world Turbine generator set, is also the world’s largest diameter Francis machine. The turbine rated output of 716,000 kilowatts, the maximum output of 827,000 kilowatts, the design head of 86.9 meters, the maximum head of 108.2 meters;