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Stratégie de modulation des PMSM triphasés doubles
Paperback
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ISBN10: 6209266088
ISBN13: 9786209266089
Publisher: Editions Notre Savoir
Published: Dec 23 2025
Pages: 232
Weight: 0.70
Height: 0.53 Width: 6.00 Depth: 9.00
Language: French
ISBN13: 9786209266089
Publisher: Editions Notre Savoir
Published: Dec 23 2025
Pages: 232
Weight: 0.70
Height: 0.53 Width: 6.00 Depth: 9.00
Language: French
Ce livre mène principalement des analyses et des recherches sur la vibration concentrée excitée par des harmoniques à haute fréquence du DTP-PMSM existant dans la plage étroite du spectre. Tout d'abord, un modèle mathématique du PMSM bi-triphasé est établi et l'algorithme SVPWM à quatre vecteurs maximum est introduit. Sur cette base, une technologie SVPWM aléatoire multiple est proposée pour pallier les insuffisances de la méthode SVPWM traditionnelle à retard variable. Ensuite, un algorithme SVPWM à double centralisation est proposé, qui élimine les harmoniques PWM aux fréquences porteuses multiples impaires. Pour la forme d'onde PWM asymétrique, un SVPWM doublement centralisé basé sur une porteuse triangulaire est proposé, ce qui réduit la difficulté de mise en oeuvre. En outre, en combinaison avec la méthode de retard variable, l'influence de la méthode de fréquence de porteuse variable sur la bande de basse fréquence est réduite. Enfin, des études de simulation et des études expérimentales sont réalisées sous l'angle de l'analyse des harmoniques à haute fréquence, de l'essai d'accélération des vibrations, du facteur d'étalement du spectre et de l'analyse des performances à basse fréquence afin de vérifier l'efficacité de la stratégie de contrôle proposée.
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