Historical
IEEE 810-2015
IEEE Standard for Hydraulic Turbine and Generator Shaft Couplings and Shaft Runout Tolerances
The dimensions for all types of shaft couplings and shaft runout tolerances for hydraulic turbines and generators are included in this standard. Shafts and couplings included in this standard are used for both horizontal and vertical connections between generators and turbines in hydroelectric installations.
Institute of Electrical and Electronics Engineers [ieee]