Generator
Type of Generator Three-Phase Synchronous Generator GSCR 800Y4
Power: 7,250KVA
Voltage: 10.500V
Frequency 50 Hz
Phase number 3
Number of poles 4
Rated current 398.8A
Power Factor 0.80
Rated speed 1,500rpm
Spin speed 1,800 rpm
Insulation heat resistance class F
Ambient temperature 40oC
Rotor mass moment of inertia 118.75kgm²
Winding circuit star
Nominal excitation voltage 41.2/158.3V
Excitation Rated Current 54.2/152.3A
Operating mode continuous operation
Protection class IP 4
Cooling water volume 660l/min
Cooling water inlet temperature 40oC
Cooling water inlet pressure 4bar
Air inlet temperature 45oC
Bearing Type: Rolling Bearings
Bearing A-side EMZLB18-200
Bearing B-side EMZLQ18-200
Min. Backlash Shaft/Bearing 0.267mm
Max. Backlash Shaft/Bearing 0.342
Approved Max. Backlash Shaft/Bearing 0.410
Lubrication Type of Bearings Oil, Pressure Circulation
Oil Type L-HM46 ISO 3498
Oil volume per bearing 8 l/min
Oil pressure 0.2 – 0.5bar
Direction of rotation counterclockwise, on A-side ges.
Total weight of the machine 23,200 kg
Runner weight 6970kg
Transmission
Manufacturer: Flender
Turbine
Turbine type CD 433DR
Rated speed 9400 rpm
Temperature steam inlet 399oC
Pressure inlet steam 39 bar
Pressure exhaust steam 0.1bar
Temperature withdrawal/tapping approx. 210/120oC
Pressure extraction/tapping approx. 4.4/1.9bar
-defect-
Germany
