Insulated conductor for high-voltage windings

H - Electricity – 02 – K

Patent

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Details

H02K 3/40 (2006.01) H01B 9/02 (2006.01) H01F 3/10 (2006.01) H01F 3/14 (2006.01) H01F 27/28 (2006.01) H01F 27/32 (2006.01) H01F 27/34 (2006.01) H02K 3/14 (2006.01) H02K 3/28 (2006.01) H02K 3/48 (2006.01) H02K 15/00 (2006.01) H02K 15/08 (2006.01) H02K 15/12 (2006.01) H02K 9/19 (2006.01)

Patent

CA 2255735

The invention relates to an insulated conductor (10) for high-voltage windings in electric machines. The insulated conductor (10) comprises one or more strands (12), an inner, first conductive layer (14) surrounding the strands (12), a first insulating layer (16) surrounding the inner, first conductive layer (14) and an outer, second conductive layer (18) surrounding the first insulating layer (16). The second conductive layer (18) has a resistivity which on the one hand minimizes the electric losses in the second conductive layer (18), and on the other hand contributes to the voltage induced in the second conductive layer (18) minimizing the risk of glow discharges.

L'invention concerne un conducteur isolé (10) destiné à des enroulements à haute tension pour machines électriques. Le conducteur isolé (10) comprend un ou plusieurs fils (12), une première couche conductrice intérieure (14) entourant les fils (12), une première couche isolante (16) entourant la première couche conductrice intérieure (14) et une seconde couche conductrice extérieure (18) entourant la première couche isolante (16). La seconde couche conductrice (18) présente une résistivité qui d'une part réduit au minimum les pertes électriques dans la seconde couche conductrice (18), et d'autre part contribue à la tension induite dans la seconde couche conductrice (18), réduisant au minimum le risque de décharges luminescentes.

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