EVS-EN 62256:2008

The scope of this International Standard covers turbines, storage pumps and pump-turbines of all sizes and of the following types: • Francis; • Kaplan; • propeller; •  Pelton (turbines only); • Bulb. Wherever turbines or turbine components are referred to in the text of this guide, they shall be interpreted also to mean the comparable units or components of storage pumps or pump-turbines as the case requires. The Guide also identifies without detailed discussion, other powerhouse equipment that could affect or be affected by a turbine, storage pump, or pump-turbine rehabilitation.