AIR-COOLED DRY-TYPE TRANSFORMER

An air-cooled dry-type transformer includes: a core provided with a branch; a winding body arranged about the branch; a cooling channel extending in a direction of a longitudinal axis of the winding body, the cooling channel being arranged between an inner part of the winding body and an outer part...

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Bibliographic Details
Main Authors TEPPER, Jens, WANG, Yong
Format Patent
LanguageEnglish
French
German
Published 12.04.2023
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Summary:An air-cooled dry-type transformer includes: a core provided with a branch; a winding body arranged about the branch; a cooling channel extending in a direction of a longitudinal axis of the winding body, the cooling channel being arranged between an inner part of the winding body and an outer part of the winding body, the cooling channel having openings at both ends and a substantially ring-shaped cross section with a round, oval, or polygonal basic shape; and at least one ring ventilator comprising a ring and a blower. The blower suctions air and blows the air from the ring along a longitudinal axis of the ring, thereby generating an air flow. The at least one ring ventilator is dimensioned and mounted such that the air flow generates a cool air flow in the cooling channel.
Bibliography:Application Number: EP20180708595