Index / Tools & Machines / Hydroelectric Turbine
Tools & Machines
Hydroelectric Turbine
Francis runner · up to 1 GW per unit
Water from hundreds of metres above is funneled through a spiral casing onto curved runner blades. Wicket gates modulate the flow; a coupled generator above converts the rotation into electricity at grid frequency.
Key specifications
Head
40 – 600 m
Power / unit
up to 1,000 MW
Efficiency
90 – 95%
Flow
up to 700 m³/s
Sheet 009 · Plate 1 of 1 · 1:1 infographic
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