Process for regulating a rotating machine, control system to...

Details Process for regulating a rotating machine, control system to... Process for regulating a rotating machine, control system to...

H - Electricity

02

P

H02P 6/14 (2006.01) H02P 21/12 (2006.01) H02M 7/5387 (2006.01)

Patent

CA 2226390

The invention concerns a process for regulating a n-phase rotating machine supplied through a voltage inverter defining m n states of the stator-phase voltage vector, the machine being controlled in electromagnetic torque .GAMMA. and stator flux ~. In the invention, a calculator calculates a succession of n states of the phase voltage vector to bring the torque .GAMMA. and the flux ~ closer to the set values .GAMMA.ref, ~ref. At each sampling, the remaining application time of the current state and the updated application times of future states of the phase vector, and asynchronously with the sampling instants, the calculator sends SPmLL command signals to switch from the current state to the following state.

L'invention concerne un procédé de régulation d'une machine tournante à n phases alimentée par l'intermédiaire d'un onduleur de tension définissant m n états du vecteur tension de phase stator, la machine étant asservie en couple électromagnétique .GAMMA. et en flux statorique ~, selon l'invention un calculateur calcule une succession de n états du vecteur tension de phase pour rapprocher le couple .GAMMA. et le flux ~ des consignes .GAMMA.ref, ~ ref, à chaque échantillonnage, le temps d'application restant de l'état en cours et les temps d'application mis à jour des états futurs du vecteur de phase, et de façon asynchrone avec les instants d'échantillonnage, le calculateur envoi des signaux de commande des SPmLL pour commuter de l'état en cours vers l'état suivant.

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