Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter
Reexamination Certificate
2005-02-01
2005-02-01
Sterrett, Jeffrey (Department: 2838)
Electric power conversion systems
Current conversion
Including an a.c.-d.c.-a.c. converter
C363S040000, C363S048000
Reexamination Certificate
active
06850424
ABSTRACT:
An inverter includes a mains system side freewheeling pulse converter and a load-side freewheeling pulse converter, which are electrically connected on the DC side via a DC intermediate circuit. The mains system side and load-side freewheeling pulse converters each include switchable current valves in form of semiconductor switches that are made of silicon carbide with a high blocking voltage. The inverter can operate at higher voltages and frequencies, without affecting the load rating.
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Baudelot Eric
Donat Albrecht
Foecking Bernhard
Schierling Hubert
Schweigert Ralf
Feiereisen Henry M.
Siemens Aktiengesellschaft
Sterrett Jeffrey
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