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IEC 60076-22-5-ed.1.0
Power transformers - Part 22-5: Power transformer and reactor fittings - Electric pumps for transformers
Translate name
STANDARD published on 18.1.2021
The information about the standard:
Designation standards: IEC 60076-22-5-ed.1.0
Publication date standards: 18.1.2021
SKU: NS-1016639
The number of pages: 49
Approximate weight : 147 g (0.32 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60076-22-5-ed.1.0 :
IEC 60076-22-5:2021 covers electric pumps used in the cooling circuits of power transformers and reactors. It applies to electric pumps mounted on liquid immersed power transformers according to IEC 60076-1 and reactors according to IEC 60076-6 with and without conservator for indoor or outdoor installation. It outlines the operation requirements for the electrical and hydraulic performance, mechanical design, routine testing and type testing. Additionally, performance and dimensions of preferred sizes of pump sets are specified in informative annexes. The pumps covered in this document are rotodynamic pumps driven by a squirrel cage induction motor that is immersed in the insulating liquid. Pump sets conforming to this document can be of in-line or end suction design. L’IEC 60076-22-5:2021 couvre les electropompes utilisees dans les circuits de refroidissement des transformateurs de puissance et des bobines d’inductance. Elle s’applique aux electropompes electriques montees sur des transformateurs de puissance immerges dans un liquide conformes a lIEC 60076-1 et aux bobines d’inductance conformes a lIEC 60076-6 avec et sans conservateur pour des installations interieures ou exterieures. Elle definit les exigences de fonctionnement pour les performances electriques et hydrauliques, la conception mecanique, les essais individuels de serie et les essais de type. De plus, les performances et les dimensions des tailles preferentielles des groupes de pompes sont specifiees dans les annexes informatives. Le present document couvre les pompes rotodynamiques entrainees par un moteur a induction a cage immerge dans le liquide isolant. Les groupes de pompes conformes au present document peuvent etre des pompes en ligne ou a aspiration axiale.
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