The blades are manufactured in England, the rotor is forged in Poland, and the fixed blades and fit-up assembly is done in Mexico. Each upgrade costs about $8 million. Once all three units have a new turbine, LRS will put out an extra 36 megawatts. Another project during this plant outage is the generator rewind. All these bars, or windings, are sawed off and pulled out. Maintenance planner and scheduler Myron Mattern says these are basically copper pipes, made to allow water through for cooling. Once all the windings are out, the generator is cleaned down to the bare steel. Then, two rows of new windings are fitted in -- 84 bars in all. Hence, a rewind. [...]
The reason this rewind had to be done was because General Electric found that this model of generator was having water leakage problems. Mattern says fixing this problem now is cheaper in the long run.
Laramie River Station Rewind Video
Check out this video about the Laramie River Station, which sports a new power generation turbine. There's some good information about industrial generator rewind, which the turbines featured can undergo to improve the longevity of the power generation plant.
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