H - Electricity – 01 – F
Patent
H - Electricity
01
F
H01F 27/08 (2006.01) H01F 27/22 (2006.01) H01F 27/28 (2006.01) H01F 27/30 (2006.01)
Patent
CA 2316948
The apparatus for cooling a high power electrical transformer and electrical motors uses thermally conductive material (16) interleaved between the turn layers of a high power transformer and iron core laminates (12) to provide a low resistant thermal path to ambient. The strips (16) direct excess heat from within the interior to protrusions outside of the windings (14) and core where forced air or thermally conductive potting compound (22) extracts the heat. This technique provides for a significant reduction of weight and volume along with a substantial increase in the power density while operating at a modest elevated temperature above ambient.
L'invention porte sur un système de refroidissement de transformateurs ou de moteurs électriques de forte puissance recourant à un matériau thermoconducteur (16) entrelacé entre les couches de spires des lamelles (12) du transformateur et du noyau de fer de manière à constituer un cheminement thermique vers l'atmosphère ambiante. Les barres (16) dirigent l'excès de chaleur de l'intérieur vers des saillies extérieures aux enroulements (14) et au noyau dont un refroidissement forcé ou des composés d'enrobage (22) thermoconducteurs extrayent la chaleur. Cette technique permet une réduction significative de poids et de volume et une substantielle augmentation de la densité de puissance tout en produisant une modeste élévation de la température ambiante.
Battison Williams Dupuis
The Government Of The United States Of America As Represented By The Se Cretary Of The Navy
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