350 KW Elliott Steam Turbine Generator Set
Used 350 kW back pressure steam turbine generator set, built by Elliott. Consisting of Elliot Type DYRPG steam turbine (S/N B102321) rated 600 HP, designed for 200 PSI/395°F inlet steam (max 250 PSI/600°F) with 30 PSI exhaust (max 60 PSI), operating at 3,600 RPM (3,780 RPM max continuous, 4,759 RPM trip; first critical speed 9,100 RPM). The unit is equipped with a 6” 300# inlet valve with Flowserve actuator and 12” 150# exhaust flange, carbon steel casing with sentinel valve, full instrumentation including bearing oil system, vibration sensors, steam and water gauges, and associated brackets. Direct-coupled to a Marathon Primeline induction generator, Model HB449TSTDN17010AA-W (S/N WAA053399), rated 350 kW, 3-phase, 60 Hz, 480V, 470 FLA, 0.895 PF, 95.8% efficiency, 449TS frame, drip-proof enclosure, with thermostats, bearing RTDs, terminal box, and air filter. Skid measures approximately 11’ L x 66” W x 66” H (foundation 8’ L x 53”), weighing approx. 8,000 lbs. Included is a free-standing Ewing Control turbine generator control panel (NEMA-1, 30” W x 18” D x 72” H) with Beckwith M-3410A protection relay, Allen-Bradley PLC with PanelView Plus HMI, Square D ION S6200 power meter, ABB FT-1 test switch, emergency stop, status lights, 480V–120/240V control transformer, and nVent enclosure A/C (24VDC supply required, not included). Also included is a GE Spectra Series switchboard (NEMA-1, 30” W x 30” D x 90” H) with 800A, 3-phase, 3-wire, 65 kA bus, GE Power Break II 800A main breaker (Cat# SSF08B208), CTs, PTs, and cable lugs, along with a 100 kVAR, 480V, 3-phase power factor correction capacitor bank with Square D disconnect. Unit was started up in 2009 and shut down in 2025.