Ac voltage output apparatus and hybrid vehicle including the...

Details Ac voltage output apparatus and hybrid vehicle including the... Ac voltage output apparatus and hybrid vehicle including the...

H - Electricity

02

M

H02M 1/12 (2006.01) B60L 11/00 (2006.01)

Patent

CA 2607135

A first inverter control unit (62) includes a harmonic generation unit (112). The harmonic generation unit (112) generates a harmonic voltage instruction having a phase opposite to a harmonic generated at a neutral point of a motor- generator (MG1) when the motor-generator (MG1) revolves, based on motor revolution number (w1) of the motor-generator (MG1). A PWM signal generation unit (114) generates a signal (PWM1) based on a voltage instruction obtained by superimposing an AC voltage instruction from an AC output control unit (64) and the harmonic voltage instruction from the harmonic generation unit (112) onto each voltage instruction of U-phase, V-phase and W-phase from a conversion unit (110).

Une première unité (62) de commande d'onduleur comprend une unité (112) génératrice d'harmonique. L'unité (112) génératrice d'harmonique produit une instruction de tension harmonique dont une phase est opposée à l'harmonique produite en un point neutre d'un moteur-générateur (MG1) quand le moteur-générateur (MG1) tourne, sur la base du nombre (.omega.1) de tours moteur du moteur-générateur (MG1). Une unité (114) produisant des signaux PWM produit un signal (PWM1) sur la base d'une instruction de tension obtenue par la superposition d'une instruction de tension en courant alternatif provenant d'une unité (64) de commande de sortie en courant alternatif, et de l'instruction de tension harmonique provenant de l'unité (112) génératrice d'harmonique, sur chaque instruction de tension de phase U, de phase V et de phase W provenant d'une unité conversion (110).

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