POWER CONVERSION TOPOLOGY

The invention relates to a power conversion topology (1) for charging a HV-battery (4) and/or a LV-battery (5) of an electric vehicle (2). The power conversion topology (1) comprises a three-winding transformer (8) for connection to a utility grid (3), to the HV-battery (4) and to the LV-battery (5)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FIGUERES, Emilio, ESMORIS BERTOA, Antón, JORDÀN HERRERO, Donato, GARCERA, Gabriel
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The invention relates to a power conversion topology (1) for charging a HV-battery (4) and/or a LV-battery (5) of an electric vehicle (2). The power conversion topology (1) comprises a three-winding transformer (8) for connection to a utility grid (3), to the HV-battery (4) and to the LV-battery (5). In addition, the power conversion topology (1) comprises a GR-rectifier (9) and a GR-capacitor (7) on the GR-side; an HV-rectifier (10), an HV-filter (11) and an HV-capacitor (12) on the HV-side; and an LV-rectifier (13) and an LV-filter (14) on the LV-side.According to the invention, the power conversion topology (1) comprises an auxiliary inductor (15) connected between the LV-rectifier (13) and the LV-filter (14). In addition, the power conversion topology (1) comprises a blocking circuit (16) with a transformer (17) and a diode (18) connected between the auxiliary inductor (15) and the GR-capacitor (7) or the HV-capacitor (12).The invention also relates to a method (21) for operating the power conversion topology (1).