oaioai:ira.lib.polyu.edu.hk:10397/11573

Resonant augmentation circuits for a buck converter achieving minimum-time voltage recovery from load transients

Abstract

6th Annual IEEE Energy Conversion Congress and Exhibition, ECCE 2014, 14-18 September 2014This paper presents the use of a resonant circuit for fast voltage recovery of power supplies under large-signal load transients. Previous works have shown that an augmentation circuit (or auxiliary circuit) for voltage recovery may be used to improve the dynamic response, while the main converter is operating for current recovery with load current feedforward control. A compact, low cost and magnetic-coreless topology with a simple control algorithm to achieve an augmentation circuit is presented. In the prototype, the inductors are realized using printed copper wires. The control algorithm is realized by a low cost and low density logic device. Simulation and experimental results validate the feasibility and effectiveness of the circuit.Department of Electronic and Information Engineerin

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oaioai:ira.lib.polyu.edu.hk:10397/11573Last time updated on 2/10/2018

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