Article | REF: D3540 V1

Hydraulic alternators and compensators

Author: Gérard HEMERY

Publication date: August 10, 2008

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4. Environment

4.1 Drive turbines

Nota

please refer to the Hydraulic turbines section. Description and evolution [B 4 407] .

  • The highest falls (several hundred meters) are equipped with Pelton turbines. Originally, these turbines, whose ancestor was the mill wheel, had a horizontal axis and a single jet. The number of jets then multiplied as power levels increased, and today these turbines are generally vertical-axis, with the number of jets reaching 5 or 6 at the highest power levels (of the order of 200 MW).

  • Francis turbines are used on a wide range of medium-sized...

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