In 1937 we developed the first large pump-turbine, which operated both as a turbine for energy generation and, in the reverse direction, as a pump.
Today, over 200 Voith Siemens Hydro Power Generation pump-turbines have been installed worldwide with a combined output of well over 24,000 MW. With a wide range of specific speeds, pump-turbines can be installed at sites with heads from less than 50 to more than 800 m, and with unit capacities ranging from less than 10 to over 800 MW.
In supplying equipment and services for pumped storage plants, Voith Siemens Hydro Power Generation can draw on wide experience gained over many years of development in hydraulics and a very large number of designs.
Characteristics:
The company’s state of the art technological level is being constantly worked on and includes latest developments on variable-speed technology and wide head range applications.
These machines have proven extremely reliable in practical operation. In some cases this experience covers many decades. It makes no difference whether demand is for a reversible pump-turbine or an optimally designed combination of turbine and pump.
Nor is it of importance whether the pump-turbine is equipped with a fixed or an adjustable distributor or whether, in the case of a separate turbine and pump, a clutch operable at standstill, a starting turbine or a synchronising torque converter permitting extremely short changeover times, is to be provided.
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