Energy equipment · Technical selection
Siemens SST-300 Steam Turbine Generator Package — 2018
A documented Siemens SST-300 back-pressure steam turbine generator package for projects requiring on-site power generation and usable process steam. The package is offered for technical evaluation with a Siemens generator, Renk gearbox and documented control, lubrication, monitoring and protection systems. A suitable high-pressure steam supply and project-specific integration are required.


The documented opportunity covers the turbine-generator package. A suitable high-pressure steam supply is required and a boiler is assessed separately. Current availability, condition, inspection access and final supplied components are confirmed before purchase.
Documented technical specifications
| Manufacturer / model | Siemens SST-300 |
|---|---|
| Year of turbine/package | 2018 |
| Turbine type | Back-pressure steam turbine |
| Rated turbine output — normal / maximum | 19,470 / 22,900 kW |
| Live steam flow | 125 t/h |
| Inlet pressure — normal / maximum | 114 / 126 bar(a) |
| Inlet temperature — normal / maximum | 517 / 528 °C |
| Exhaust pressure — normal / maximum | 2.9 / 5.1 bar(a) |
| Gearbox | Renk TB-800; double-helical spur gear turbo gearbox |
| Gearbox rated power | 23,810 kW |
| Gearbox input / output speed | 7,545 / 1,500 rpm |
| Gear ratio | 5.03:1 |
| Generator | Siemens 1DU2049-8AD02-Z |
| Generator apparent power | 28,400 kVA |
| Generator voltage / frequency | 10.5 kV / 50 Hz |
| Generator rated current / speed | 1,562 A / 1,500 rpm |
| Generator power factor | 0.75 |
| Generator protection / cooling | IP54 / IC81W |
| Turning device | SEW KAF77; DRN132S4 motor, 5.5 kW, 400 V / 50 Hz |
| Lubrication oil system | ISO VG 46; integrated tank approximately 7 m³ |
| Oil pumps | Main, auxiliary and emergency Allweiler pumps; Bosch Rexroth lifting oil system |
| Control oil system | Hydac; operating 140 bar(g), design 160 bar(g); 400 l |
| Control, switchgear, protection and monitoring | Documented in the package technical file; final supply boundaries to be agreed |
Technical file
- Turbine, generator and gearbox specifications
- Documented lubrication and control oil systems
- Control, switchgear, protection and monitoring information
- Original equipment photographs
- Supply boundaries and receiving-site interfaces to be agreed
Project suitability
Assess your live steam pressure, temperature and flow, process-steam demand at the exhaust, electrical connection and operating profile. A steam balance and integration review determine whether the package suits the receiving plant.
Questions about this equipment
Is a boiler included with the Siemens SST-300 package?
The documented scope covers the steam turbine-generator package. A suitable high-pressure steam source is required. Existing boiler compatibility or a new boiler installation is assessed separately for the buyer's project.
What is the documented turbine output?
The turbine file lists 19,470 kW under normal steam conditions and 22,900 kW at the maximum stated condition. Actual project performance depends on available steam conditions, exhaust requirements and the confirmed generator limits.
What steam conditions are required?
The file lists inlet conditions of 114 / 126 bar(a) and 517 / 528 °C for normal / maximum operation, a live steam flow of 125 t/h, and exhaust pressure of 2.9 / 5.1 bar(a). A project-specific steam balance and technical fit check are required.
Which main components are documented?
The technical file identifies the Siemens SST-300 turbine, Siemens 28,400 kVA generator, Renk TB-800 gearbox, turning gear, lubrication and control oil equipment, control and switchgear systems, protection and monitoring. The final supply list is agreed before purchase.
How do I request the technical file and project review?
Use the enquiry form on this page quoting MR00040. Include your required power, available steam pressure and temperature, exhaust/process-steam demand, destination country and intended installation schedule.
Request technical details
MR00040 · Siemens SST-300 Steam Turbine Generator Package — 2018
Use the enquiry form below. Your equipment reference is included automatically. Tell us the destination country, required duty and preferred installation schedule.