🛠️ Invention or technique

Kaplan turbine

Turbina Kaplan

Date
1912-1913 · confidence high
Place
Brno, Moravia, Austria-Hungary (present-day Czech Republic)
Credited to
Viktor Kaplan
Field
Matter & energy

What it is

Kaplan combined adjustable propeller blades with adjustable guide vanes, achieving an efficient turbine even at very low heads, something Francis turbines could not manage. His design made it possible to generate electricity from high-flow, low-head rivers.

What it led to

  • Low-head hydroelectric power plants (large rivers)
  • Bulb turbines
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Sources✓ verified 2026-09-28