Voltage converter

Details Voltage converter Voltage converter

H - Electricity

02

M

H02M 3/155 (2006.01) H02M 7/217 (2006.01)

Patent

CA 2463065

The invention concerns a voltage converter comprising two input terminals (A', B') between which are arranged at least a current limiter (6, 5), a switch (2) controlled by a control device (3) synchronized with the supply voltage (U') and a storage capacitor (1), and whereof the two output terminals are connected on the storage capacitor. The current limiter consists of at least the primary (51) of a transformer (5) whereof the secondary (53) powers a rectifier (7) the terminals of which are connected to the terminals of the converter. The use of a transformer enables to significantly reduce the current absorbed by the converter.

Convertisseur de tension comprenant deux bornes d'entrée (A', B') entre lesquelles sont disposés au moins un limiteur de courant (6, 5), un interrupteur (2) commandé par un dispositif de commande (3) en synchronisation avec la tension d'alimentation (U') et un condensateur de stockage (1), et dont les deux bornes de sortie sont prises sur le condensateur de stockage. Le limiteur de courant est constitué d'au moins le primaire (51) d'un transformateur (5) dont le secondaire (53) alimente un redresseur (7) dont les bornes de sortie sont reliées aux bornes de sortie du convertisseur. L'utilisation d'un transformateur permet de réduire de manière significative le courant absorbé par le convertisseur.

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