H - Electricity – 01 – F
Patent
H - Electricity
01
F
H01F 27/34 (2006.01) H01F 27/28 (2006.01)
Patent
CA 2276399
The present invention relates to a power transformer/inductor comprising at least one winding. The windings are designed by means of a high-voltage cable, comprising an electric conductor, and around the conductor there is arranged a first semiconducting layer, around the first semiconducting layer there is arranged an insulating layer and around the insulating layer there is arranged a second semiconducting layer. The second semiconducting layer is earthed at or in the vicinity of both ends (261, 262; 281, 282) of each winding and furthermore one point between both ends (261, 262; 281, 282) is directly earthed.
L'invention concerne un transformateur d'alimentation/bobine d'induction comprenant au moins un enroulement. Ces enroulements sont réalisés au moyen d'un câble haute tension, comprenant un conducteur électrique enveloppé d'une première couche semi-conductrice, revêtue à son tour d'une couche isolante, recouverte elle-même d'une seconde couche semi-conductrice. Cette seconde couche semi-conductrice est mise à la terre aux deux extrémités (26¿1?, 26¿2?; 28¿1?, 28¿2?) de chaque enroulement, ou à leur proximité. En outre, un point situé entre les deux extrémités (26¿1?, 26¿2?; 28¿1?, 28¿2?) est directement mis à la terre.
Fromm Udo
Holmberg Par
Hornfeldt Sven
Kylander Gunnar
Leijon Mats
Abb Ab
Asea Brown Boveri Ab
Gowling Lafleur Henderson Llp
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