500m水头段高水头混流式水轮机的选型设计

Application of Vertical Mixed Flow Turbine within Head Range 500 m

大岩坑水电站是目前国内运行的单机容量最大、转速最高的立轴混流式机组,最大水头达415.39 m,最大升压水头达533.3m.通过对大岩坑水电站的机型选择及机组特点进行分析,说明了500 m水头段采用混流式机组代替冲击式机组具有明显的可行性和优越性.

A vertical mixed flow turbine unit with the highest capacity and fastest speed was set up in Dayankeng Power Plant, offering head range for 415.39m and 533.3m under pressure. The essay talks about the advantages and feasibility of the unit comparing with the impulse turbine unit.