Multiphase high gain boost converter with switched-capacitor and coupled-inductor

Lee, Yuang-Shung; Hong, Wei-Ting; Chou, Tzu-Han

doi:10.1109/ifeec.2013.6687524

Cited by 4 publications

(1 citation statement)

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“…The converter proposed in [43] has a higher voltage gain and a lower device count for n>2, but the capacitors do not have the same voltage value and the number of SC cells depend on the number of interleaved cells, increasing the number of inductors in a configuration with a higher voltage gain. The converters proposed by [44]- [47] are non-isolated structures that provide a high voltage gain. However, these converters use a coupled inductor or a transformer, which results in a higher voltage gain.…”

Section: Resultsmentioning

confidence: 99%

Boost DC-DC Converter with Switched-Capacitor and Four-State Switching Cell

Dias¹,

Lazzarin²

2024

Eletrônica de Potência

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The integration of switched-capacitor voltage multiplier cells in basic converter topologies has been studied to provide voltage gain and voltage stress reduction. However, SC cells do not provide current sharing and additionally they induce high current spikes in the devices, which are limitations of these structures to operate in high power levels. The main contribution of this paper is to overcome this drawback proposing the use of a multistate switching-cell for current sharing in SCbased boost converters, which reduces the current stress in the power devices and increases the power levels of this family of converters. The proposed concept can be generalized for m number of SC cells and n number of switching cells to increase the voltage gain and current levels. Furthermore, it can be applied to other basic structures. The theoretical analysis of the proposed structure was evaluated experimentally in a 3 kW boosttype dc-dc converter, achieving 200 V to 1200 V voltage gain, and reaching 98.4% of maximum efficiency.

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Section: Resultsmentioning

confidence: 99%