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1. Brněnská strojírna Turbogenerator set 25MW

1. Brněnská strojírna, Turbogenerator set, back pressure steam turbine 25MW
Manufacturer: 1. Brněnská strojírna
Power: 25 000 kW
Type: R25-9/1,9
RPM: 3000 / min
Steam pressure: 90 bar
Output steam pressure: 18 bar
Steam temperature: 515 ºC

The equipment is from year 1985 and has received all maintenance required for the maximum reliability, availability and capacity.

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Size: 3 000 x 3 000 x 5 100 mm
Weight: 45 000 kg

Generator, gearbox, oil system and all related electro and InC equipment included.
We will send all technical data on request.

Maintenece:
The machine has been regularly maintained and serviced since its commissioning. GO and SO have been carried out at intervals of about 5 years according to the actual condition. The O&M was carried out by the turbine manufacturer or a specialist company in the field.
The last O&M was carried out in 2007 for a total amount of 44.2 million EUR. The following repairs were carried out:
- repair of the rotor with new blading
- repair of the stator flow section with new blading
- Replacement of quick-action and control valve blocks
- replacement of the control gear on the machine,
- reconstruction of the control system
- repair of oil. system,
- revision of steam system, valves, drainage
The last repair (SO) was carried out in 2020 for a total amount of 16.2 million CZK. The following repairs were carried out:
- revision of the flow section of the turbine, cleaning, replacement of seals, rotor balancing
- oil revision and cleaning. Revision of the rotor, cleaning of the rotor, revision of the rotor system, installation of full flow filtration
- complete repair of the KUP with repiping,
- revision and repair of the turbine control and the control safety system
- inspection of steam pipelines and valves
Regular maintenance and servicing was carried out during operation, with further periodic repairs planned for 2027.