System and method for regulation of multi-level boost based rectifiers with power factor correction
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United States of America Patent
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Nov 14, 2017
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app pub date -
Apr 22, 2014
filing date -
Apr 19, 2013
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Abstract
A control method and system are provided for regulating operation of power factor correction rectifiers based on the non-symmetric boost converter topology. Control of both the front-end stage is enabled taking sinusoidal current from the utility network and a downstream converter providing isolated DC output voltage. Also provided are a method and system for reducing volume of reactive components in boost-based rectifiers with power factor correction. Flux density through the inductor is reduced with a biasing inductor current having a much lower frequency than the switching frequency of the converter.
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