F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
F02C 9/00 (2006.01) F02C 9/22 (2006.01) F02C 9/28 (2006.01) F23N 5/02 (2006.01) F23N 5/18 (2006.01)
Patent
CA 2430441
In order to limit the flame temperature peaks following sudden load variations, corresponding control is planned of the position of the blades (13) of the distributor with variable geometry, of a single-shaft gas turbine (18); in particular, the control system proposed comprises a direct-action regulator (21) consisting of a calculation unit (22), which implements the simplified running model of the gas turbine (18), and a feedback regulator (20), which makes it possible to recuperate any inaccuracies of the direct-action regulator (21), caused by variations of the performance of the turbine (18), relative to those planned by the model, or caused by modelling errors.
Afin de limiter les sommets de température de la flamme à la suite de variations de charge soudaines, l'invention prévoit un contrôle correspondant de la position des aubes (13) du distributeur à géométrie variable d'une turbine à gaz (18) à arbre unique; en particulier, le système de contrôle proposé est muni d'un régulateur à action directe (21) comprenant une unité de calcul (22), qui met en oeuvre le modèle le modèle d'exécution sfimplifié de la turbine à gaz (18), et un régulateur de réaction (20), qui permet de récupérer toute inexactitude du régulateur à action directe (21), causée par les variations de performance de la turbine (18) par rapport à celles prévues par le modèle ou causée par des erreurs de modélisation.
Casoni Andrea
Groppi Stefano
Craig Wilson And Company
Nuovo Pignone Holding S.p.a.
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