SST 800 Interactivepraes

Power and Gas
Siemens Steam Turbine SST-800

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Siemens SST-800 Introduction Steam Turbine Overview
The SST-800 is a single casing steam turbine with reliability and availability. It supports all require- The SST-800 steam turbine can be used for both
center steam admission and reverse steam flow ments for economical installation and operation condensing and back-pressure applications. It is
inner casing, designed for a direct coupled genera- in combination with highest flexibility for com- built up from predesigned modules combined
tor or mechanical drive. Power output with dual cas- plex industrial processes. A double or even multi- to a single unit for optimum matching of the
ing solution is up to 250 MW. casing solution can also be provided. required parameters. Turbine auxiliary systems
The highly customized turbine provides for an out- are also pre-designed into modules covering the
standing efficiency, fast start-up times and high complete range of turbine sizes.
The SST-800 turbine is equipped with impulse

control stage and reaction blading fixed in
blade carriers. Furthermore the turbine is offered
with throttle controlled inlets. The turbine can
2 be arranged on a foundation or as a package
4 (includung oil system and on a base frame). The
SST-800 steam turbine design is in accordance
3
with DIN or API standards.
1
Features such as a horizontal casing split or the
independently accessible bearings ensure easy
and rapid maintenance. Additionally, the guide
blade carriers enable easy maintainability or fur-
ther modifications of the steam path. Stop valves
and steam strainers as well as control valves are
accommodated in the steam chest and can be
removed without dismantling the piping.
Customer Benefits
Outstanding efficiency
Fast start-up times
[1] Center Steam Admission Highest reliability

[2] Inlet Section
Economic installation and operation
[3] Intermediate Section
Flexibility for complex, industrial processes
[4] Exhaust Section
Siemens SST-800: Technical Overview Combined cycle power plant in Hannover,
Germany
Power output up to 250 MW, 50 or 60 Hz Exhaust steam conditions:

Back-pressure up to 72 bar / 1,044 psi or
Speed 3,000 or 3,600 rpm condensing
Up to 7 uncontrolled extractions at various Up to 2 controlled extractions - pressure up to

pressure levels 72 bar / 1,044 psi
Life steam conditions:

- Pressure up to 165 bar / 2,395 psi
- Temperature up to 565 °C / 1,049 °F
Typical Applications for SST-800
Combined cycle power plants (CCPP)
Combined heat and power plants (CHP)

6
5
Oil & Gas industries
Industrial power plants (e.g. captive power

plants in chemical and petrochemical industries,
manufacturing industries, paper mills, mines,
7 metal and cement plants, waste heat recovery)
District heating plants
Biomass plants and waste-to-energy plants (WtE)
Concentrated solar power plants (CSP)
[5] Casing
[6] Bearings
[7] Extractions
Siemens SST-800: Reference Examples Mymensingh, Bangladesh
3
4 7
2
5
6
1
Power output: 88 MW
[1] Mymensingh, Bangladesh
Inlet steam temperature: 519 °C / 966 ° F
[2] Chorzow, Poland Inlet steam pressure: 80.2 bar / 1163.2 psi
Exhaust steam pressure: 0.2 bar / 2,9 psi
[3] Wisaforest, Finland
[4] Södertälje, Sweden
[5] Hannover, Germany SST-800 steam turbine with 88 MW power output is

running in the combined cycle power station since
[6] Jiang Lin, China 2007.
Switch to printable overview
[7] Riga, Latvia

Global Siemens Headquarters
Siemens AG
Wittelsbacherplatz 2
80333 Muenchen
Germany
Siemens AG Power & Gas

Freyeslebenstraße 1
91058 Erlangen
www.siemens.com/steamturbines
For more information, please contact our Customer Support Center:

Phone +49 / (0) 180 / 524 70 00
Fax +49 / (0) 180 / 524 24 71
(Charges depending on provider)
E-mail: support.energy@siemens.com © 11.2014 Siemens AG
All rights reserved. Trademarks mentioned in this document are the

property of Siemens AG, its affiliates or their respective owners.
Subject to change without prior notice. The information in this docu-
ment contains general descriptions of the technical options available,
which may not apply in all cases. The required technical options
should therefore be specified in the contract.

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What are the main components and features of the SST-800 steam turbine?

What are the main components and features of the SST-800 steam turbine?

What are some typical applications of the SST-800 steam turbine?

What are some typical applications of the SST-800 steam turbine?

Power and Gas

Siemens Steam Turbine SST-800

The SST-800 turbine is equipped with impulse

Fast start-up times

[1] Center Steam Admission Highest reliability

Power output up to 250 MW, 50 or 60 Hz Exhaust steam conditions:

Up to 7 uncontrolled extractions at various Up to 2 controlled extractions - pressure up to

Life steam conditions:

Typical Applications for SST-800

Combined cycle power plants (CCPP)

Combined heat and power plants (CHP)

Industrial power plants (e.g. captive power

District heating plants

Biomass plants and waste-to-energy plants (WtE)

Concentrated solar power plants (CSP)

[4] Södertälje, Sweden

[5] Hannover, Germany SST-800 steam turbine with 88 MW power output is

[7] Riga, Latvia

Siemens AG Power & Gas

For more information, please contact our Customer Support Center:

All rights reserved. Trademarks mentioned in this document are the

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