DC-DC converter that applies a dual active bridge rectifier topology

A bidirectional or unidirectional DC-DC converter includes a primary stage and a secondary stage. The primary stage is configured to receive or output a first DC voltage. The primary stage includes a first switching network configured to convert the first DC voltage to a first alternating current (A...

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Bibliographische Detailangaben
Hauptverfasser:	Sarnago Andia, Hector, Gaona Rosanes, Pablo, Jimenez Pino, Rafael, Lucia Gil, Oscar
Format:	Patent
Sprache:	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 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:	A bidirectional or unidirectional DC-DC converter includes a primary stage and a secondary stage. The primary stage is configured to receive or output a first DC voltage. The primary stage includes a first switching network configured to convert the first DC voltage to a first alternating current (AC) voltage or vice versa. The DC-DC converter also includes a transformer having primary windings and secondary windings. The primary windings are in electrical communication with the first switching network. The transformer is configured to convert between the first AC voltage and a second AC voltage. The DC-DC converter also includes a secondary stage that has a second switching network. Characteristically, the second switching network and the transformer operate as an interleaved converter to convert the second AC voltage to an output DC voltage or vice versa. Advantageously, the required series inductance for this interleaved converter is integrated into the transformer.