Interleaved Inductor-Less Resonant Converters with Auto Transformer

Description:
CPES proposed inductor-less resonant converter has high efficiency.  However, the output voltage ripple is huge since it uses the leakage inductor resonating with output capacitor.  This invention solved the ripple problem by interleaving two-phase and use autotransformer to do the voltage averaging.  The simulation result demonstrates that the ripple voltage can be greatly reduced.
  
Patent Information:
Title App Type Country Serial No. Patent No. File Date Issued Date Expire Date
Quasi-Parallel Voltage Regulator US Utility *United States 12/034,229 7,872,886 2/20/2008 1/18/2011 4/6/2029
Category(s):
Electrical
For Information, Contact:
Li Chen
Licensing Associate
Virginia Tech Intellectual Properties, Inc.
(540) 443-9217
lchen@vtip.org
Inventors:
Ming Xu
Julu Sun
Fred Lee
Keywords:
Electronics
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