Speed control of multiple components in refrigerant systems

Details Speed control of multiple components in refrigerant systems Speed control of multiple components in refrigerant systems

F - Mech Eng,Light,Heat,Weapons

25

B

F25B 1/00 (2006.01) F25B 49/00 (2006.01) F25D 17/00 (2006.01)

Patent

CA 2615778

Variable speed drives are utilized in refrigerant systems to operate motors of the system components at varying speeds, typically for the purposes of capacity adjustment, efficiency enhancement, reliability improvement or power consumption limitation. However, variable speed controls are expensive. The present invention offers flexibility to utilize a variable speed drive to provide variable speed functionality between compressor and fans (or other rotating components having electric motors) within a refrigerant system depending on operational and environmental conditions and external load demands. The switching device switches the variable speed drive between component motors as indicated by a control for the refrigerant system.

Les entraînements à vitesse variable sont utilisés dans les systèmes réfrigérants pour actionner des moteurs des composants du système selon des vitesses variables, typiquement aux fins d~ajustement de capacité, d~amélioration de l~efficacité, d~amélioration de la fiabilité ou de limitation de la consommation d~énergie. Cependant, les commandes de vitesse variable sont chères. La présente invention offre la souplesse d~utilisation d~un entraînement à vitesse variable afin de fournir la fonction de vitesse variable entre un compresseur et des ventilateurs (ou tout autre élément mobile comprenant un moteur électrique) dans un système réfrigérant en fonction des conditions opérationnelles et environnementales et des demandes de charge externes. Le dispositif de commutation commute l'entraînement à vitesse variable entre les moteurs des composants comme indiqué par une commande du système réfrigérant.

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