Guideline on Testing of Turbo and Hydro Generators

The objective of this study was to survey actual and recommended practice concerning the off-line testing of turbo and hydro generators. The survey was limited to turbo generators with ratings > 250 MVA and hydro generators > 30 MVA. The survey obtained 37 responses on utility practice from 13 countries. The responses from utilities cover test practices from more than 2000 utility generators.