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The turbine offered for sale was first started in 1983/1984 and operated in base load, combined cycle service until 2007/2008. Operating hours are approximately 180,000, but the rotor will have less hours because there was a spare (for multiple units) that “rolled” through the units at major inspection intervals.
The turbine is natural gas only, single fuel nozzle combustor design with steam injection for NOx attenuation (with some power augmentation benefits) and produces approximately 100 MW at site conditions. It is equipped with a 140,000 KVA (14,400 V) Westinghouse hydrogen cooled generator, Westinghouse brushless excitation system, and a Westinghouse (Koenig Engineering) starting system with a 2,000 HP electric starting motor. The HRSG was manufactured by Vogt and is three level; 1250/150/30 psig. The unit also has high efficiency inlet air filtration and on-line compressor washing capability.
Turbine – the unit is currently installed, complete and in operable condition. The last outage was in January of 2008 to change out a damaged R1 vane. The turbine has 5736 operating hours since the outage. Operating hours on the installed parts (blades, vanes, combustion hardware) range from 24,000 to 150,000+.
Generator/exciter – In April of 1996 the exciter was rebuilt, the generator stator was re-wedged, stator core re-torqued, and a full set of electrical tests performed on the generator (rotor and stator).
The unit has a local control room with adjoining MCC/switchgear room. All equipment is still installed and operable in these areas, as well as all pumps, coolers, transformers, etc.
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