Multi-spool turbogenerator system and control method

Details Multi-spool turbogenerator system and control method Multi-spool turbogenerator system and control method

F - Mech Eng,Light,Heat,Weapons

02

C

F02C 9/32 (2006.01) F01D 15/10 (2006.01) F02C 7/275 (2006.01) F02C 9/28 (2006.01) F25B 7/00 (2006.01) F25B 11/00 (2006.01)

Patent

CA 2538223

An electrical power generating system is driven by a multi-spool gas turbine engine including at least first and second spools. The first spool comprises a turbine and a compressor mounted on a first shaft; the second spool has at least a turbine mounted on a second shaft that is not mechanically coupled to the first shaft. A main generator is coupled with one of the spools, and an auxiliary generator/motor is also coupled with one of the spools. Speed control of each of the generators is employed for controlling operation of the engine. The auxiliary generator/motor can operate in either a generation mode to extract power from its spool or a motor mode to inject power into its spool.

Cette invention concerne un système de production d'énergie électrique entraîné par un moteur à turbine multi-corps qui comprend au moins un premier et un second corps. Le premier corps comprend une turbine et un compresseur montés sur un premier arbre, le second corps possédant au moins une turbine montée sur un second arbre, lequel n'est pas raccordé mécaniquement au premier arbre. Une génératrice principale est couplée à l'un des corps, et un ensemble auxiliaire génératrice/moteur est également couplé à l'un des corps. On utilise la commande de vitesse de chacune des génératrices pour commander le fonctionnement du moteur. L'ensemble auxiliaire génératrice/moteur peut fonctionner soit en mode de production de courant à partir de son corps, soit en mode moteur pour fournir de la puissance à ce même corps.

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