ANDRITZ HYDRO supplies motor-generators for pumped storage applications up to 360 MVA with constant or variable speed in one or two directions of rotation.
We have the experience with all unit configurations e.g. fixed coupling to reversible pump-turbines or to a turbine-plus-pump-set. Starting can be fulfilled with static frequency converters (SFC), Pony Motor, Back-to-Back or turbine. Our special experience is in variable-speed motor-generators for optimum efficiency at variable heads.
The largest units in Europe and America have been manufactured by ANDRITZ HYDRO.

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