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Capacity Increase of Multi-Jet Pelton Turbines

by G. Vullioud, Vevey Engineering Works Ltd, Vevey, Switzerland,
M. Michon, Vevey Engineering Works Ltd, Vevey, Switzerland,



Document Type: Proceeding Paper

Part of: Waterpower '85

Abstract:

The recent connection to the grid of large capacity thermal stations, to meet the increasing demand, has entailed an evolution in the type of services required from storage plants with respect to the corresponding increase of peak-load and stand-by power which they must ensure. For two Swiss hydro power stations, BITSCH and LA BATIAZ, although relatively recently built, this new trend has led to an important increase of their installed capacity, under two somewhat different forms but implying similar hydraulic developments. Both stations are equipped with vertical shaft multi-jet Pelton turbines. The hydraulic developments were based on scale model tests carried out on a vertical shaft test rig of high capacity.

Subject Headings: Power plants | Hydro power | Turbines | Hydraulic models | Shafts | Scale models | Hydrologic models

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