H - Electricity – 02 – P
Patent
H - Electricity
02
P
H02P 6/00 (2006.01) H02P 23/00 (2006.01)
Patent
CA 2208008
The invention concerns a process for regulating a n phase rotating machine (1) supplied with alternating current by a voltage inverter (3) including n SPmLL (4) defining mn Vi states (i.epsilon.{1,..,mn}) of the stator phase voltage vector Vs, the said machine having an electromagnetic torque Tem and a stator flow .PHI.s controlled by an electromagnetic torque Tem and a set-value stator flow .PHI.Sref depending on the invention, for a transient state in which the electromagnetic torque Tem and/or the stator flow .PHI.S are removed respectively from the electromagnetic torque Temref and/or set-value stator flow .PHI.s. A choice is made among all possible Vi states of the stator phase voltage vector Vs the one that is optimal for bringing the torque Tem and stator flow .PHI.S to the torque Temref and the set-value stator flow .PHI.Sref; and the SPmLL (4) switching corresponding to the selected state of the phase voltage vector Vs is controlled.
L'invention concerne un procédé de régulation d'une machine tournante (1) à n Phases alimentée en courant alternatif par l'intermédiaire d'un onduleur de tension (3) comprenant n SPmLL (4) définissant mn états Vi (i.epsilon.{1,..,mn}) du vecteur tension de phase stator Vs, ladite machine ayant un couple électromagnétique Tem et un flux statorique .PHI.s asservis à un couple électromagnétique Temref et à un flux statorique .PHI.Sref de consigne selon l'invention, pour un régime transitoire dans lequel le couple électromagnétique Tem et/ou le flux statorique .PHI.s sont éloignés respectivement du couple électromagnétique Temref et/ou du flux statorique .PHI.Sref de consigne, on choisit parmi tous les états Vi possibles du vecteur tension de phase stator Vs celui qui est optimal pour amener le couple Tem et le flux statorique .PHI.S vers le couple Temref et le flux statorique .PHI.Sref de consigne; et on commande la commutation des SPmLL (4) correspondant à l'état choisi du vecteur tension de phase Vs.
Bethoux Olivier
Bornard Guy
Poullain Serge
Thomas Jean-Luc
Alcatel
Alcatel Alsthom Compagnie Generale D'electricite
Robic
LandOfFree
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