Abstract
Configuring half-bridge circuits with CRC or RC circuits at both ends of the bus, RC circuits at both ends of the device, and in conjunction with reduced loop inductance is a typical solution to address half-bridge switching oscillations and voltage overshoots, and to optimize electromagnetic interference (EMI) characteristics. However, this scheme still has the problems of poor damping effect, high degree of overvoltage, and high turn-on loss. In this paper, we remove the switch-by-switch RC circuit to reduce extra losses, actively increase the inductance of the feeder circuit to achieve zero current turn-on, and design a DC(VS)-RC absorption topology with energy return circuits at both ends of the bus. The designed topology absorbs the overvoltage energy stored in the inductor of the switching converter and feeds it back to the bus to reduce the overvoltage and improve efficiency. Experimental studies and comprehensive comparative studies verify the effectiveness of the proposed scheme. The experimental results show that DC(VS)-RC with increasing loop inductance has good overvoltage and oscillation suppression performance and can significantly reduce the switching losses.
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A Half-Bridge Buffer Circuit with Clamped Energy Feedback | Authorea try { document.documentElement.classList.add('js'); } catch (e) { } var _gaq = _gaq || []; _gaq.push(['_setAccount', 'G-8VDV14Y67G']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); Skip to main content Preprints Collections Wiley Open Research IET Open Research Ecological Society of Japan All Collections About About Authorea FAQs Contact Us Quick Search anywhere Search for preprint articles, keywords, etc. Search Search ADVANCED SEARCH SCROLL This is a preprint and has not been peer reviewed. Data may be preliminary. 16 January 2025 V1 Latest version Share on A Half-Bridge Buffer Circuit with Clamped Energy Feedback Authors : Jian Yu , Jia ZeLin [email protected] , Zhang ZiXiang , and Wu YiMei Authors Info & Affiliations https://doi.org/10.22541/au.173703643.31238704/v1 240 views 128 downloads Contents Abstract Supplementary Material Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract Configuring half-bridge circuits with CRC or RC circuits at both ends of the bus, RC circuits at both ends of the device, and in conjunction with reduced loop inductance is a typical solution to address half-bridge switching oscillations and voltage overshoots, and to optimize electromagnetic interference (EMI) characteristics. However, this scheme still has the problems of poor damping effect, high degree of overvoltage, and high turn-on loss. In this paper, we remove the switch-by-switch RC circuit to reduce extra losses, actively increase the inductance of the feeder circuit to achieve zero current turn-on, and design a DC(VS)-RC absorption topology with energy return circuits at both ends of the bus. The designed topology absorbs the overvoltage energy stored in the inductor of the switching converter and feeds it back to the bus to reduce the overvoltage and improve efficiency. Experimental studies and comprehensive comparative studies verify the effectiveness of the proposed scheme. The experimental results show that DC(VS)-RC with increasing loop inductance has good overvoltage and oscillation suppression performance and can significantly reduce the switching losses. Supplementary Material File (wiley_journal_template.pdf) Download 37.32 MB Information & Authors Information Version history V1 Version 1 16 January 2025 Copyright This work is licensed under a Non Exclusive No Reuse License. Keywords overvoltage and oscillation sic mosfet snubber circuit switching losses optimization Authors Affiliations Jian Yu Shanxi University School of Automation and Software View all articles by this author Jia ZeLin [email protected] Shanxi University School of Automation and Software View all articles by this author Zhang ZiXiang Shanxi University School of Automation and Software View all articles by this author Wu YiMei Shanxi University School of Automation and Software View all articles by this author Metrics & Citations Metrics Article Usage 240 views 128 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Jian Yu, Jia ZeLin, Zhang ZiXiang, et al. A Half-Bridge Buffer Circuit with Clamped Energy Feedback. Authorea . 16 January 2025. DOI: https://doi.org/10.22541/au.173703643.31238704/v1 If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. 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