Rotating rectifier assembly

H - Electricity – 02 – M

Patent

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Details

H02M 7/40 (2006.01) H02K 7/20 (2006.01) H02K 19/28 (2006.01) H02K 29/00 (2006.01) H02K 47/02 (2006.01)

Patent

CA 2557919

A rectifier assembly includes individual diodes arranged to form a full-wave bridge such that the silicon wafers of the diodes are loaded in compression. As so arranged, the centrifugal forces add to the compression forces on the diodes and on the electrical contacts therewith. The three-phase (AC) input conductors are connected by conductive straps which connect the diodes through to DC (+/-) terminal ring outputs. One surface of each of the diodes is in electrical contact with a conductive strap which then connects with the individual (AC) phases of an exciter rotor winding. The opposing surface of the diode contacts the ring diode pad on either the DC (+/-) output terminal ring. Two conductive posts, each of which are connected to only one of the DC (+/-) output terminal rings permit external connection to a main rotor winding.

Redresseur rotatif qui comprend des diodes individuelles disposées de façon à former un pont à onde entière, de telle sorte que les tranches de silicone des diodes sont chargées en compression. Avec une telle disposition, les forces centrifuges s'ajoutent aux forces de compression sur les diodes et sur les contacts électriques connexes. Les conducteurs d'entrée triphasés (c.a.) sont branchés par des sangles conductives aux diodes par le biais de cosses annulaires de sortie à c.c. (+/-). Sur chaque diode, une surface est en contact électrique avec une sangle conductrice, qui est alors reliée aux phases individuelles (c.a.) du rotor d'un enroulement d'excitatrice. La surface opposée de la diode est en contact avec la languette de connexion de la diode annulaire sur l'une des cosses annulaires à c.c. (+/-). Deux bornes conductrices, chacune étant branchée à une seule des cosses annulaires à c.c. (+/-) permet une connexion extérieure à un enroulement du rotor principal.

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