Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Reexamination Certificate
2006-03-07
2006-03-07
Berhane, Adolf (Department: 2838)
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
C363S067000, C323S271000
Reexamination Certificate
active
07009853
ABSTRACT:
Exemplary embodiments of the invention relate to a switched-mode power supply arrangement containing two or more switched-mode power supply transformers (T1to TN), the primary windings (P1to PN) of the switched-mode power supply transformers (T1to TN) being connected electrically in series, an output voltage regulator (AR1to AR2) being connected to each of the secondary windings (S1to SN) of the switched-mode power supply transformers (T1to TN), and the series circuit comprising the primary windings (P1to PN) being connected to the output of an AC source (WQ). The switched-mode power supply transformers (T1to TN) can include a ferrite toroidal core (RK1to RKN), which bears the respective secondary winding (S1to SN), the series circuit comprising the primary windings (P1to PN) being in the form of a high voltage-isolated conductor loop (SL) passing through all of the ferrite toroidal cores (RK1to RKN).
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Mast Jochen
Nagel Andreas
ABB Patent GmbH
Berhane Adolf
Buchanan & Ingersoll PC
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