POWER CONVERSION SYSTEM AND OPERATING METHOD

A power conversion system configured to provide electrical power conversion is provided. The system comprises a first power converter (10) comprising power electronic switches of a first type that are switchable to provide electric power conversion; and a second power converter (20) connected in par...

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Bibliographische Detailangaben
Hauptverfasser:	RODRIGUEZ IZAL, José Luis, ALISAR, Ibrahim, REBOLLO LÓPEZ, Emilio David
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 ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	A power conversion system configured to provide electrical power conversion is provided. The system comprises a first power converter (10) comprising power electronic switches of a first type that are switchable to provide electric power conversion; and a second power converter (20) connected in parallel to the first power converter (10). The second power converter (20) comprises power electronic switches of a second type that are switchable to provide electric power conversion. The second type is different from the first type. The second type of power electronic switches comprises wide bandgap semiconductor switches. The system further comprises a controller (30) configured to operate the power conversion system (100) in a first operating mode in which the second power converter (20) is operated at a first switching frequency of the power electronic switches to provide power conversion, and in a second operating mode in which the second power converter (20) is operated at a second switching frequency of the power electronic switches and the first power converter (10) is operated to provide power conversion, wherein the second switching frequency is higher than the first switching frequency.