Electricity: power supply or regulation systems – In shunt with source or load – Using choke and switch across source
Reexamination Certificate
2005-12-27
2005-12-27
Vu, Bao Q. (Department: 2838)
Electricity: power supply or regulation systems
In shunt with source or load
Using choke and switch across source
C323S274000, C323S284000
Reexamination Certificate
active
06979980
ABSTRACT:
There is provided by this invention soft switching interleaved power converters that are suitable for high power and high voltage applications such as plasma processing. They have greatly reduced switching losses and diode reverse-recovery losses which allows operation at high switching frequencies. The peak values of the reverse-recovery currents of the diodes are substantially less then their peak forward operating currents. The power converters incorporate power converter cells that comprise a plurality of switching assemblies that are operated with an interleaved switching pattern, and that are each connected to an input terminal of an inductor assembly that also has a common terminal. The inductance between each pair of input terminals is less than the inductance between each input terminal and the common terminal of the inductor assembly.
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Gang Yao et al., Interleaved Three-Level Boost Converter with Zero Diode Reverse-Recovery Loss; IEEE APEC Feb. 22-26, 2004; pp. 1090-1095.
Hesterman Bryce L.
Ilic Milan
Malinin Andrey B.
Siddabattula Kalyan N. C.
Advanced Energy Industries Inc.
Hudson, Jr. Benjamin
Pirnot John D.
Vu Bao Q.
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