Run-of-river power plant © Siemens Stiftung 2018 CC BY-SA 4.0 international

Run-of-river power plant

Video

Simulation:
Operating principle of a run-of-river power plant

English, Spanish, German
Video (55.9 kByte)
2018-11-28
A run-of-river power plant is used on rivers with a very small fall in elevation and a high flow rate of water. The turbines operate nonstop, meaning they can produce electric power continuously and have very low operating costs. The river water flows through a turbine, which drives a generator, thus producing electricity. An effective head of a few meters is sufficient for run-of-river power plants, but the pressure difference is low. That’s why Kaplan turbines are often used as tubular turbines (horizontal installation) in these cases. They sometimes also have high-speed gearboxes (pit turbines).
Simulation
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