Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Reexamination Certificate
2008-11-03
2011-11-08
Patel, Rajnikant (Department: 2838)
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
C363S072000
Reexamination Certificate
active
08054655
ABSTRACT:
An inventive isolated converter which exempts the auxiliary isolation devices with accurate voltage regulation is disclosed. The converter includes the primary side circuit with a primary controller controlling the on and off of the primary switch and a secondary side circuit with a secondary controller controlling the on and off of the secondary synchronous rectifier. The isolated converter uses the secondary controller to turn on the secondary synchronous rectifier after the secondary current decreases to zero to generate a negative tail current and turns off the secondary synchronous rectifier at a reference tail current peak value to generate a reflected negative current at the primary side circuit for turning on the primary switch.
REFERENCES:
patent: 5768118 (1998-06-01), Faulk et al.
patent: 6594161 (2003-07-01), Jansen et al.
Li Yuxin
Lu Huanyu
Moyer James C.
Yao Kaiwei
Zhang Junming
Monolithie Power Systems, Inc.
Patel Rajnikant
Perkins Coie LLP
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