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This paper demonstrates a two-stage implementation of a power factor preregulator design in which the energy buffer capacitor is placed at the output of the converter. In this implementation, a resonant LLC converter supplies power to a boost converter operating in continuous conduction mode. Here, a variable frequency (VFX) technique is used in the resonant LLC converter stage to achieve a lower...
This paper introduces a MultiTrack power conversion architecture that represents a new way of combining switched-capacitor circuits and magnetics. The MultiTrack architecture takes advantages of the distributed power processing concept and a hybrid switched-capacitor/magnetics circuit structure. It reduces the voltage ratings on devices, reduces the voltage regulation stress of the system, improves...
This paper proposes a MultiTrack power conversion architecture that represent a new way of combining switched-capacitor circuits and magnetics. The MultiTrack architecture reduces the voltage ratings on devices, reduces the voltage regulation stress of the system, improves the component utilization, and reduces the sizes of passive components. This architecture is suitable for power conversion applications...
This paper is a continuation to the author's previous paper on novel lithium-ion battery charger based on pulse charging technique where a central power supply acting as a controlled current source is sequentially connected in parallel with different batteries through an array of switches. Here the idea is extended to more wide range of AC-DC applications. Though the idea of central power supply can...
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