Back Pressure Turbine, 20 MW

Manufacturer : Stal-Laval / ASEA generator, 3~50 Hz, GTP 70/170 type Serial. no. : B2231 Type : DDSM 70/170 Year made : 1971, stopped 1982, the turbine is rotated regularly, (on weekly basis). Steam pressure before control valve: - normally : 100 barg - max : 125 barg Steam temperature before control valve : 530ºC Extraction pressure: - I : 10 barg - II : 4 barg Steam flow : 111 t / h Drain at 10 Bar : 28 t / h Drain at 4 Bar : 13 t / h Max power : 19.75 MW Speed : 3 000 rpm Max continues power at cos  = 0,85 : 24 000 kVA Steam flow without draining : 77 t / h Power without draining : 14 MW Dim back pressure : 1.8 Bar Voltage : 5.25 kV Excitation voltage : 220V Back pressure : 1,7 bar