Alternating-current voltage output apparatus

H - Electricity – 02 – M

Patent

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Details

H02M 7/00 (2006.01) H02M 7/48 (2007.01)

Patent

CA 2577722

Inverters (20, 30), based on signals PWM1, PWM2 from a control device (70), generate a commercial AC voltage Vac across neutral points (N1, N2) of 3-phase coils (12, 14). A Y-capacitor (84) for removing noise is connected to a load (80) outside the vehicle receiving the supply of the commercial AC voltage Vac. A relay (RY3) connected in series with a leakage detecting device (60) is provided inside the vehicle. The relay (RY3) is turned off when a plug (82) of the load (80) outside the vehicle is connected to a connector (50), and prevents a leakage current from flowing via a ground.

L'invention porte sur des circuits inverseurs (20, 30), fondés sur des signaux PWM1, PWM2 issus d'un dispositif de contrôle (70), générant une tension alternative commerciale Vac sur des points neutres (N1, N2) de bobines à 3 phases (12, 14). Un condensateur Y (84) permettant de supprimer le bruit est relié à une charge (80) à l'extérieur du véhicule recevant l'alimentation de la tension alternative commerciale Vac. Un relais (RY3) connecté en série à un dispositif de détection de fuite (60) est disposé à l'intérieur du véhicule. Ce relais (RY3) est éteint lorsqu'une prise (82) de la charge (80) à l'extérieur du véhicule est connectée à un connecteur (50) et empêche tout courant de fuite de passer par une terre.

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