Table 3: Mechanical and Electrical Works in the Powerhouse – Lots 4 and 5

Feature Dimension/Quantity Unit
Francis Turbines 4 No.
Minimum net head 120.0 m
Maximum net head 162.8 m
Unit Design Head 155 m
Power output at maximum net head 75.0 MW
Manufacturer – Dongfang China
Generators and auxiliary systems 4 No.
Stator core inner diameter 5,500 mm
Shaft diameter 750 mm
Rated output with class F temperature rises 86.7 MVA
Rated voltage 13.8 kV
Rated power factor 0.9 p.u.