Apparatus for Converting an Electrical Current and Method for Reducing the Load-Change Stress of Power Semiconductor Units in the High-Voltage Energy Distribution and Transmission Sector

An apparatus for converting an electrical current in a high-voltage energy distribution and transmission system has one or more current converter valves with a series circuit of a plurality of power semiconductor units. A cooler cools the power semiconductor units. Temperature deviations of the powe...

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Bibliographische Detailangaben
1. Verfasser:	DORN JORG
Format:	Patent
Sprache:	eng
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS
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Beschreibung
Zusammenfassung:	An apparatus for converting an electrical current in a high-voltage energy distribution and transmission system has one or more current converter valves with a series circuit of a plurality of power semiconductor units. A cooler cools the power semiconductor units. Temperature deviations of the power semiconductor units can be decreased in a cost-effective manner in that the cooler is provided with a control unit that provides cooling in dependence on a current flow via the power semiconductor units.