H - Electricity – 02 – P
Patent
H - Electricity
02
P
H02P 27/06 (2006.01)
Patent
CA 2761023
Provided is a power conversion device comprising a line breaker connected in series with a DC power source, a first condenser connected in parallel with the DC power source through the line breaker, a discharge circuit having a resistor and a first switching circuit connected in series, and connected in parallel with the first condenser, a power converter for driving a synchronizer, a second condenser connected in parallel with the DC side-power converter, a second switching circuit connected in series between the first condenser and the second condenser, and a control circuit for controlling the discharge circuit. The control circuit controls the discharge circuit on the basis of the voltage of the first condenser and the voltage of the second condenser.
L'invention concerne un dispositif de conversion de puissance comportant un disjoncteur de ligne connecté en série à une source d'alimentation continue, un premier condensateur connecté en série à la source d'alimentation continue via le disjoncteur de ligne, un circuit de décharge, ayant une résistance et un premier circuit de commutation connectés en série, et connecté en parallèle au premier condensateur, un convertisseur de puissance destiné à commander un synchronisateur, un second condensateur connecté en parallèle au convertisseur de puissance côté continu, un second circuit de commutation connecté en série entre le premier condensateur et le second condensateur, et un circuit de réglage pour régler le circuit de décharge. Le circuit de réglage règle le circuit de décharge en se basant sur la tension du premier condensateur et la tension du second condensateur.
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Marks & Clerk
Mitsubishi Electric Corporation
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