Adaptive hot gas bypass control for centrifugal chillers

Details Adaptive hot gas bypass control for centrifugal chillers Adaptive hot gas bypass control for centrifugal chillers

F - Mech Eng,Light,Heat,Weapons

25

B

F25B 49/02 (2006.01) F04D 27/02 (2006.01) F25B 1/053 (2006.01) F25B 41/04 (2006.01)

Patent

CA 2360531

An adaptive control apparatus and a method for automatically controlling a refrigeration system (100) as a function of cooling load and head. A control panel (140) controls the operation of a hot gas bypass valve (134) so as to avoid surging of the compressor (110) in response to cooling load and head. The control apparatus and method also allow for automatic self calibration.

L'invention concerne un régulateur adaptatif et un procédé de régulation automatique de système de refroidissement (100) dépendant de la charge et de la tête de refroidissement. Un panneau de commande (140) permet de contrôler une soupape de dérivation des gaz chauds (134) afin d'éviter le phénomène de pompage du compresseur (110) en réponse à la charge et à la tête de refroidissement. Le régulateur et le procédé considérés permettent également la mise en oeuvre d'un auto-étalonnage automatique.

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