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Performance range 370‐560 MVA
Efficiency up to 99%
Powerful generator for gas and steam applications
Our latest product innovation, the SGen-2000P series, combines air cooling with water cooling technology. Pressurized air-cooled generators are replacing indirectly hydrogen-cooled machines to significantly reduce plant complexity. They achieve efficiency and power levels comparable to indirectly hydrogen-cooled generators with ratings of up to 560 MVA. Pressurized air-cooled generators are used in simple cycle, combined cycle, and steam power plants, as well as in synchronous condensing applications.
Combining GVPI stators with water cooling technology enables uniform temperatures and low stress levels to enhance operational flexibility. The proven reliability is greater than 99.9% for more than 1,700 stator windings between 10 and 22 kV with an output of up to 650 MVA. Our fleet leader has over 150,000 operating hours and 3,320 start/stop cycles.
Modern grids require high operational flexibility because of the increased integration of renewable energy sources. Our design supports high ramp-up/down rates and frequent start/stop cycles while keeping thermal mechanical stress in the stator windings low.
Our proven MICALASTIC® insulation system and Global Vacuum Pressure Impregnation (GVPI) technology ensure maximum electrical endurance and outstanding availability.
- Insensitive to thermal cycling
- No maintenance required
- Very low mechanical stress during operation
- Non-flammable and self-extinguishing; no fire-extinguishing system needed
The absence of hydrogen gas reduces the complexity of auxiliaries as well as the cost of service and operation. There is no need for hazardous operational areas around the generator. Arriving almost fully assembled, the generator is designed for easy on-site installation and includes many provisions for accessible maintenance.
Our generators maintain a high level of common parts across the portfolio (e.g. stator core assembly and rotor). The part and component re-use improves the availability of spare parts and increases the quality in manufacturing and assembling components from our suppliers, at our factory, as well as on site.
The SGen-2000P generator offers an innovative mix of verified design features in operating ranges typically reserved for hydrogen-cooled generators. The water-cooled stator and air pressurization system allow this series of generators to operate within an extended performance range and with maximum load-shift flexibility.