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Control system and electrotechnology

The control mechanism monitors and controls the system: it regulates the flow of water to the turbine, and thus indirectly the level of the headwater, monitors the network, the speed and the various temperatures, and in the event of a malfunction it protects the system against damage. The use of a modern digital control system increases the utilisation of the available energy still further, and at a much lower cost than through the use of a more powerful turbine. Nowadays, all small hydropower plants in Switzerland are equipped with an integrated control unit. Many facilities are now operated using remote control via the Internet, so that they only need to be visited if they require maintenance or repairs.

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Dimensioning of small hydropower plants. Control mechanisms and safety
Contact: Martin Bölli
Last update: 26.10.2009

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