Multi-element resonant converters

Details Multi-element resonant converters Multi-element resonant converters

2008-06-10

2010-06-22

Riley, Shawn (Department: 2838)

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

Reexamination Certificate

active

07742318

ABSTRACT:
A resonant switched power converter having switching frequency controlled in response to an output voltage thereof achieves over-current protection such as at start-up or under short circuit conditions using a resonant tank circuit which provides a notch filter in addition to a band pass filter. A additional band pass filter provided in the resonant tank circuit achieves increased power transfer to a load and reduced circulating resonant currents and conduction losses. The inductances of the preferred LCLCL tank circuit or other tank circuit with two pass band filters and a notch filter may be integrated into a single electrical component.

REFERENCES:
patent: 5416387 (1995-05-01), Cuk et al.
patent: 5768111 (1998-06-01), Zaitsu
patent: 6535407 (2003-03-01), Zaitsu

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