H - Electricity – 02 – P
Patent
H - Electricity
02
P
H02P 27/02 (2006.01) H02P 1/26 (2006.01)
Patent
CA 2193730
A time sequence of electromotive force amplitudes (e ref) corresponding to a predetermined law for torque variation during transient operating conditions is stored. For this purpose, voltages (W1, W2, W3) applied to the motor (M) and the current flow (I) are determined to derive, at least approximately, the electromotive force (3) generated by the motor. The static switch conduction intervals are acted on to adapt the electromotive force (3) to the stored amplitude (e ref) during the transient operating conditions.
On mémorise une succession temporelle d'amplitudes de force électromotrice (e ref) correspondant à une loi prédéterminée de variation de couple lors des régimes de transition. On détermine à cet effet les tensions (W1, W2, W3) appliquées au moteur (M) et le courant traversant (I) pour en déduire, au moins de façon approchée, la force électromotrice (e) développée par le moteur et on agit sur les intervalles de conduction d'interrupteurs statiques en sorte d'ajuster la force électromotrice (e) sur l'amplitude mémorisée (e ref) dans le déroulement du régime de transition.
Caen Claude
Kohen Cecile
Robic
LandOfFree
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