Voltage Supply Device having an Intermediate Circuit, A Power Converter and Braking Chopper

A voltage supply device includes at least one intermediate circuit that has at least one intermediate circuit capacitor, at least one power converter, wherein the power converter is connected to the connections of the intermediate circuit such that the power converter can be supplied with electrical...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DAMEC, Vladislav, SCHÖNEWOLF, Stefan Hans Werner
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 BASIC ELECTRIC ELEMENTS 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 ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS SEMICONDUCTOR DEVICES TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A voltage supply device includes at least one intermediate circuit that has at least one intermediate circuit capacitor, at least one power converter, wherein the power converter is connected to the connections of the intermediate circuit such that the power converter can be supplied with electrical energy from the intermediate circuit capacitor, and includes at least one braking chopper that is connected to the connections of the intermediate circuit capacitor such that electrical energy from the intermediate circuit capacitor can be converted into thermal energy by the braking chopper, where the power converter is equipped with at least one semiconductor switch that is clocked at a higher rate, in particular based on SiC, while the braking chopper is equipped with at least one semiconductor switch that is clocked at a lower rate, in particular based on Si.