Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Reexamination Certificate
2006-09-12
2006-09-12
Laxton, Gary L (Department: 2838)
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
C363S021160, C363S097000
Reexamination Certificate
active
07106603
ABSTRACT:
A switch-mode self-coupling power device additionally increases a set of high voltage auxiliary winding in the transformer and increases a control circuit and an energy transmitting circuit in the primary side circuit of the conventional circuit. When the load is too low, the control circuit may control the energy transmitting circuit according to the variation of the load so that the voltage of the high voltage auxiliary winding can be transmitted to a controller for operation through the energy transmitting circuit. Therefore, the design of PWM controller (pulse width modulation controller) auxiliary power circuit according to the present invention, which is not limited by the magnitude of a dummy load at the secondary side of the transformer, can conform to international regulations and is a product with industrial purpose and conforming to green mode.
REFERENCES:
patent: 5661642 (1997-08-01), Shimashita
patent: 6088244 (2000-07-01), Shioya et al.
patent: 6370045 (2002-04-01), Lurkens
patent: 6434030 (2002-08-01), Rehm et al.
patent: 6972969 (2005-12-01), Shteynberg et al.
patent: 6975521 (2005-12-01), Konno
Lin Feng-Hsu
Lu Wen-Yu
Laxton Gary L
Li Shin International Enterprise Corporation
Rosenberg , Klein & Lee
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