Endless core for a multiphase transformer and a transformer...

Details Endless core for a multiphase transformer and a transformer... Endless core for a multiphase transformer and a transformer...

H - Electricity

01

F

H01F 27/24 (2006.01) H01F 30/12 (2006.01)

Patent

CA 2350485

Endless core (10) for a multiphase transformer (12) is formed as an endless circular or annular loop. A plurality of windows (14) are formed through and about the core (10). Adjacent windows (14) share a common portion or leg (16). Thus magnetic flux is shared between windows (14). Transformer (12) is constructed by winding respective primary windings (18) and secondary windings (20) through the windows (14). The core (10) and transformer (12) allow for an infinite possibility of phase shifting or combining because portions of the second windings (20) can be wound through more than one of the windows (14).

L'invention concerne un noyau (10) sans fin pour un transformateur (12) polyphasé se présentant sous forme d'une boucle sans fin circulaire ou annulaire. Une pluralité d'ouvertures (14) traversantes sont formées sur le pourtour du noyau (10). Les ouvertures (14) adjacentes sont séparées par une partie de noyau ou un montant (16) commun. Le flux magnétique est ainsi réparti entre les ouvertures (14). On obtient ce transformateur (12) en faisant passer les enroulements (18) primaires et les enroulements (20) secondaires à travers les ouvertures (14) respectives. Etant donnée que des portions des enroulements (20) secondaires peuvent être passées à travers plusieurs ouvertures (14), ce noyau (10) et ce transformateur (12) offrent des possibilités illimitées de décalages et de combinaisons de phases.

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