DEVICE FOR COUPLING ELECTRICAL GRIDS

The invention relates to a device for coupling electrical grids, in particular a direct-current grid, for example a motor vehicle electrical system, to a single-phase alternating-current grid or a further direct-current grid. The device has a non-inverting DC-DC converter (B1) and an inverting DC-DC...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KORNER ANDRE
Format:	Patent
Sprache:	chi ; eng
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 CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER 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 SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The invention relates to a device for coupling electrical grids, in particular a direct-current grid, for example a motor vehicle electrical system, to a single-phase alternating-current grid or a further direct-current grid. The device has a non-inverting DC-DC converter (B1) and an inverting DC-DC converter (B2) each having a first input and/or output and a second input and/or output, the firstinput and/or output of the first DC-DC converter is connected in a series with a first converter valve (R1) to form a first series circuit, and the first input and/or output of the second DC-DC converter is connected in a series with a second converter valve (R2) to form a second series circuit; the first and second series circuits are connected in parallel, and the second input and/or output endsof the DC-DC converter are connected in parallel, and the connection points of the parallel circuit of the series circuits are connected to a first input and/or output end (L1, N) of the device according to the invention, and