Improvements relating to power adaptors

Details Improvements relating to power adaptors Improvements relating to power adaptors

H - Electricity

02

M

H02M 7/538 (2007.01)

Patent

CA 2747294

A power adaptor (20) is provided, comprising an input (22) for connection to an AC power supply, and a resonant circuit(34) coupled to the input (22) that provides an output suitable for driving a load(50). The capacitance and inductance of the resonant circuit (34) are selected to provide a pre-determined change in effective voltage, and a corresponding pre-determined change in effective current, between the input(22) and the output (24) of the power adaptor (20).

La présente invention a trait à un adaptateur de puissance (20) qui comprend une entrée (22) permettant une connexion à un bloc dalimentation en courant alternatif, et un circuit résonnant (34) couplé à lentrée (22) qui fournit une sortie appropriée pour commander une charge (50). La capacité et linductance du circuit résonnant (34) sont sélectionnées de manière à fournir une variation prédéterminée de la tension efficace, et une variation prédéterminée correspondante du courant efficace, entre lentrée (22) et la sortie (24) de ladaptateur de puissance (20).

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