A constant-frequency machine with a varying/variable speed

Details A constant-frequency machine with a varying/variable speed A constant-frequency machine with a varying/variable speed

H - Electricity

02

K

H02K 19/38 (2006.01) H02H 1/00 (2006.01) H02K 19/28 (2006.01) H02K 19/36 (2006.01) H02P 9/08 (2006.01) H02P 9/30 (2006.01) H04B 5/00 (2006.01)

Patent

CA 2367389

A constant-frequency machine with a varying/variable speed which comprises a main machine (1) and a regulating machine with a com on shaft (2) and a converter (28, 51) which rotates with the shaft and is connected between the rotor windings (3, 29) of the main machine and the regulating machine, and wherein the converter, during operation, is arranged as an ac-to-ac converter, and wherein, during starting, it is arranged as an ac polyphase coupler or as an ac phase-angle/voltage regulator or as an ac short-circuit coupler, and wherein, during controlled braking and stopping, it is arranged as an ac polyphase coupler, or as an ac phase-angle/voltage regulator, or as an ac short-circuit coupler.

L'invention concerne une machine à fréquence constante présentant un régime variant/variable comprenant une machine principale (1) et une machine de régulation ayant un arbre commun (2) ainsi qu'un convertisseur (28, 51) tournant avec l'arbre et connecté entre les enroulements (3, 29) du rotor de la machine principale et la machine de régulation, et dans laquelle le convertisseur, pendant son fonctionnement, est agencé en tant que convertisseur ca-ca, et dans laquelle lors du démarrage, il est agencé en tant que coupleur polyphasé ca ou en tant que régulateur d'angle/tension de phase ou en tant que coupleur de court-circuit ca, et dans laquelle, pendant le freinage et l'arrêt régulé, il est agencé en tant que coupleur polyphasé ca ou en tant que régulateur d'angle/tension de phase ca, ou en tant que coupleur de court-circuit ca.

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