Results 91 to 100 of about 266 (133)
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An improved active-clamp ZVS forward converter with a lossless snubber
INTELEC 2009 - 31st International Telecommunications Energy Conference, 2009In this paper, an improved active-clamp forward converter with a lossless snubber composed of a tapped inductor, a snubber capacitor and two diodes is proposed. By adding the lossless snubber at the secondary side of the active clamp forward converter, better ZVS operation, higher efficiency and lower ripple noise of the output voltage are achieved ...
Eun-Soo Kim
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A New Passive Lossless Snubber
IEEE Transactions on Power Electronics, 2021Galvanically isolated photovoltaic (PV) microinverters based on single-stage flyback topology have advantages: simplicity, better reliability, and low cost. But isolated flyback topology comes with voltage stresses on semiconductor switches caused by transformer leakage inductance.
Erlan Dzhunusbekov, Sagi Orazbayev
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A Lossless Passive Snubber for Soft-Switching of Flyback Converters [PDF]
2024 IEEE 19th Conference on Industrial Electronics and Applications (ICIEA)To improve power density ftyback converters are required to operate at high switching frequencies resulting in higher power dissipation and lower efficiency This study aims to reduce the switching power losses of semiconductor switches and voltage spikes
Waseem Haider, Quang P. Ha
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A boost PFC rectifier with a passive lossless snubber circuit using coupled inductors methods
, 2012 In this paper, a boost PFC rectifier with a novel passive lossless snubber circuit is proposed to minimize switching loss for high power applications. The proposed lossless snubber is composed of the coupled inductors merged to the boost inductor.
Ho-Sung Kim +2 more
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Soft-Switching Interleaved PFC Converter with Lossless Snubber
IEEJ Transactions on Industry Applications, 2015Kodai Abe, Kiyoshi Ohishi
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Further reduction of switching loss for the lossless snubber based converters
2014 IEEE Energy Conversion Congress and Exposition (ECCE), 2014Trillion Q Zheng, Jiepin Zhang
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Interleaved Flyback Converter with a Lossless Snubber
International Review of Electrical Engineering (IREE), 2014In this paper, an interleaved flyback converter with a lossless snubber is presented. By freewheeling the energy stored in a snubber, the overall efficiency is improved. In addition, the proposed converter has small output current ripple due to its interleaving structure. Since the proposed converter operates in discontinuous-conduction mode (DCM), the
Se-Jin Kim, Hyun-Lark Do
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A passive lossless snubber for Bidirectional Buck/boost converter
IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society, 2017A passive lossless snubber for soft-switching Bidirectional Buck/boost Converter (BBC) is proposed in this paper. Although the conventional lossless snubbers can effectively alleviate the switching losses during turn on and turn off transients, they can be applied to only the unidirectional converters, but not a bidirectional converter.
Hyung Ik Joo, Sang-Kyoo Han
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Simple passive lossless snubber for high-power multilevel inverters
IEEE Transactions on Industrial Electronics, 2006A passive lossless snubber circuit for multilevel inverters is proposed in this paper. The topology is simple and requires no extra control circuit. In order to reduce the high-voltage stress on power switches with this snubber circuit, an improved snubber circuit is presented by adding separate low-power direct current voltage sources into the ...
Xiangning He +4 more
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Optimal Design of Lossless Passive Snubber for DC/DC Converters
First International Conference on Innovative Computing, Information and Control - Volume I (ICICIC'06), 2006This paper presents an optimal design of lossless passive snubber for DC/DC converters, which offers an efficient and best design method. The proposed method can not only reduce the spike voltage Vdsp of a power switch in the circuit, but also raise the conversion efficiency of the converter.
C. K. Huang +4 more
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