Control of synchronous electrical machines

H - Electricity – 02 – P

Patent

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H02P 6/00 (2006.01) H02K 19/04 (2006.01) H02P 6/22 (2006.01)

Patent

CA 2677673

A synchronous motor having phase windings which are split or tapped and in which the conduction angle of the applied alternating current is varied at one or more taps to allow the motor to start in a controlled direction and be torque controlled to synchronous speed.

L'invention concerne un moteur synchrone ayant des enroulements de phase qui sont échelonnés ou divisés et où l'angle de conduction du courant alternatif appliqué est varié selon un ou plusieurs échelons pour permettre au moteur de démarrer dans une direction contrôlée et où son couple peut être commandé à une vitesse synchrone. FIG.3 301 Aligne moteurs - Utilise AB 302 Attends -Utilise 'A' 303 EMF (FEM) peut être mesurée ? 304, 306, 312 Mesure FEM 305 Direction correcte ? 307, 313 Calcule position de rotor 308, 314 Calcule vitesse de rotor 309, 317 Est-ce que le moteur a calé ? 310 Commute 'A' 311 Est-ce que la vitesse < synchrone ? 315 Calcule erreur de phase 316 Ajuste angle de mise en route 318 Commute 'A' No Non Yes Oui

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