Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Reexamination Certificate
2007-05-03
2008-10-28
Vu, Bao Q (Department: 2838)
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
C363S056030, C363S098000, C363S132000
Reexamination Certificate
active
07443698
ABSTRACT:
A converter circuit is disclosed for switching of a multiplicity of switching voltage levels, which have n first switching groups for each phase (R, S, T), with the n-th first switching group being formed by a first drivable bidirectional power semiconductor switch and a second drivable bidirectional power semiconductor switch, and with the first switching group to the (n−1)-th switching group each being formed by a first drivable bidirectional power semiconductor switch and a second drivable bidirectional power semiconductor switch, and by a capacitor which is connected to the first and second drivable bidirectional power semiconductor switches with each of the n first switching groups being connected in a linked form to the respectively adjacent first switching group, and with the first and the second drivable bidirectional power semiconductor switches in the first switching group being connected to one another.
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G.Gateau et al., “Stacked Multicell Converter (SMC): Topology and Control”, EPE 2001-Graz, pp. 1-10.
PCT/ISA/210.
PCT/ISA/237.
Barbosa Peter
Meysenc Luc
Steimer Peter
ABB Research Ltd
Buchanan & Ingersoll & Rooney PC
Vu Bao Q
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