Prime-mover dynamo plants – Turbogenerators
Patent
1994-06-21
1997-10-07
Stephan, Steven L.
Prime-mover dynamo plants
Turbogenerators
290 40C, 60 3924, 60 39182, F02C 7057, F02C 618, H02K 718, H02P 914
Patent
active
056751885
ABSTRACT:
An adjustable speed gas turbine power generation apparatus can maintain a rated output of the gas turbine generation apparatus irrespective of ambient temperature change. For this purpose, the rotational speed of the secondary winding of the generator is controlled by the gas turbine and alternating current excitation of the secondary winding is determined on the basis of the ambient temperature. The sucked air quantity (flow rate by weight) in the compressor can be increased by increasing the rotational speed of the gas turbine when the ambient temperature increases, so that an output from the gas turbine becomes nearly the rated output, while maintaining the desired frequency at the primary winding.
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patent: 4452048 (1984-06-01), Geary, Jr. et al.
patent: 4994684 (1991-02-01), Lauw et al.
Cuneo Christopher
Hitachi , Ltd.
Stephan Steven L.
LandOfFree
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