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Multi output Active Clamped Flyback Converter

2014 International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering  
This paper presents the design of multioutput active clamp fly back converter topology which is operated at 100 KHz in CCM mode respectively.  ...  With the help of active clamp circuit, the transformer leakage energy is recycled, and zero-voltage-switching (ZVS) for primary main switch is achieved . where, Vout ripple = 1% of Vo, Fs is Switiching  ...  The analysis, design and implementation of a70W active clamp flyback converter is presented in this paper to achieve zero voltage switching(ZVS) for main switch.  ... 
doi:10.15662/ijareeie.2014.0307038 fatcat:mzf7lq7ipne2zhpad6bqrlqpji

Loss Analysis and Soft-Switching Behavior of Flyback-Forward High Gain DC/DC Converters with a GaN FET

Yan Li, Trillion Q. Zheng, Yajing Zhang, Meiting Cui, Yang Han, Wei Dou
2016 Journal of Power Electronics (JPE)  
The soft-switching condition and power loss analysis in a flyback-forward high gain DC/DC converter with a GaN FET is presented in detail.  ...  Finally, a 200W GaN FET based flyback-forward high gain DC/DC converter is established, and experimental results verify that the GaN FET is superior to the Si MOSFET in terms of switching characteristics  ...  The authors of [9] - [13] studied the application of EPC enhanced mode GaN devices to MHz Buck converters and LLC resonant converters.  ... 
doi:10.6113/jpe.2016.16.1.84 fatcat:t7enevxge5dkzpyevxrqstfvoa

Implementation of Snubber Circuits in a PV-Based Off-Grid Electric Vehicle Charging Station—Comparative Case Studies

Divya Krishnan Nair, Krishnamachar Prasad, Tek Tjing Lie
2021 Energies  
A comprehensive comparison between various types of snubbers, such as the resistive capacitive diode snubber, active clamp snubber and flyback snubber, is presented.  ...  This paper presents the design of a zero-voltage switching snubber-based bidirectional converter for an off-grid charging station for EVs.  ...  𝐿 ) For comparison, the converters with an RCD passive snubber, an active clamping circuit, and a flyback snubber were simulated.  ... 
doi:10.3390/en14185853 fatcat:azs5zestpje53fsj7pdl5szge4

Isolated Bidirectional Full-Bridge DC–DC Converter With a Flyback Snubber

Tsai-Fu Wu, Yung-Chu Chen, Jeng-Gung Yang, Chia-Ling Kuo
2010 IEEE transactions on power electronics  
The use of a capacitor, a diode, and a flyback converter can clamp the voltage spike caused by the current difference between the current-fed inductor and leakage inductance of the isolation transformer  ...  Index Terms-Flyback converter, isolated full-bridge bidirectional converter, soft start-up.  ...  Conversion efficiency of the converter under the full-load condition and with an active clamping circuit is about 87.2%. Fig. 18 shows those with the proposed flyback snubber.  ... 
doi:10.1109/tpel.2010.2043542 fatcat:2c2duz2lxvgyxpvwn3pw7er7eu

1.5 kW isolated bi-directional DC-DC converter with a flyback snubber

T.-F. Wu, Y.-C. Chen, J.-G. Yang, Y.-C. Huang, S.-S. Shyu, C.-L. Lee
2009 2009 International Conference on Power Electronics and Drive Systems (PEDS)  
The use of a capacitor and a flyback converter can clamp the voltage spike caused by the current difference between the current-fed inductor and leakage inductance of the isolation transformer, and can  ...  An isolated bi-directional full-bridge DC-DC converter with high conversion ratio, high output power and soft start-up capability for battery charging/discharging is proposed in this paper.  ...  Thus, a passive or an active clamp circuit is still needed.  ... 
doi:10.1109/peds.2009.5385736 fatcat:xflt2apuuracvhdh7i4f7wuqsm

Forward-flyback converter with current-doubler rectifier: analysis, design, and evaluation results

L. Huber, M.H. Jovanovic
1999 IEEE transactions on power electronics  
Complete design-oriented steady-state analysis of the forward-flyback converter with the current-doubler rectifier is provided.  ...  Index Terms-Current-doubler rectifier, dc-dc power conversion, forward-flyback converter, HF transformer winding loss.  ...  ANALYSIS The circuit diagram of the active-clamp forward-flyback converter with the current-doubler rectifier is shown in Fig. 1 .  ... 
doi:10.1109/63.737607 fatcat:dayhco4ju5b5thlcnuiqq3hg7e

Analysis, Design and Implementation of a New Chokeless Interleaved ZVS Forward-Flyback Converter

Meghdad Taheri, Jafar Milimonfared, Alireza Namadmalan, Hasan Bayat, Mohammad Kazem Bakhshizadeh
2011 Journal of Power Electronics (JPE)  
This paper presents an interleaved active-clamping zero-voltage-switching (ZVS) forward-flyback converter without an output choke.  ...  A detailed analysis and the design of this new converter are described.  ...  Fig. 1 shows a schematic of the proposed topology which is composed of an active-clamping forward converter parallel with an active-clamping flyback converter.  ... 
doi:10.6113/jpe.2011.11.4.499 fatcat:mmohnytafrfehh3wjd3ivgkhjy

Analysis, design and implementation of a zero voltage switching two-switch CCM flyback converter

Karim Soltanzadeh, Hosein Khalilian, Majid Dehghani
2016 IET Circuits, Devices & Systems  
The operating principles, theoretical analysis and the design methodology of ZVS two-switch continuous conduction mode (CCM) flyback converter are presented.  ...  This study presents a two-switch continuous conduction mode pulse width modulation flyback converter that employs an LC snubber circuit.  ...  Thus, L r can be obtained as L r = 1 (2p f r ) 2 · C r (28) Experimental results To verify the theoretical analysis and design procedure of the proposed converter, an experimental CCM-ZVS flyback converter  ... 
doi:10.1049/iet-cds.2014.0329 fatcat:ucipobfhnvgqpczt7ogwzg7u24

A 5 kW boost converter with various passive/active snubbers for reducing component stress and achieving high efficiency

T.-F. Wu, Y.-D. Chang, C.-H. Chang, H.-X. Lee, K.-Y. Lee, J.-G. Yang
2009 2009 International Conference on Power Electronics and Drive Systems (PEDS)  
In this study, three types of active snubbers, buck, boost and flyback, are respectively implemented with a boost converter.  ...  The proposed converter includes a clamp branch diode and capacitor, a coupling inductor, and a PWM converter to function as active clamp.  ...  Various circuit modes illustrating the operation of the boost converter with a flyback active clamp snubber.  ... 
doi:10.1109/peds.2009.5385795 fatcat:kcbuo3tiu5dehfqntpef3wm6lq

Performance of Active Clamp and Interleaved Active Clamp Fly back DC-DC Converters for PV Systems

Noorhan E. Elsobky, Yasmine Ashraf, Mostafa A. Hamouda, Mohamed Sabry, Sahar S. Kaddah, Basem M. Badr
2021 Journal of Engineering Research and Reports  
In this work, Active Clamp Flyback (ACF) and Interleaved Active Clamp (IACF) converters are designed and simulated for the use of DC-DC converters of PV system applications.  ...  The Flyback converter topology is a well-known and widely used for AC-DC and DC-DC power converters that cover a broad-spectrum including switching power supplies, photovoltaic (PV) system, electric cars  ...  Various topologies of Flyback converters are discussed and analyzed, two topologies are proposed for PV system design, which are the Active Clamp Flyback (ACF) and Interleaved Active Clamp (IACF) topologies  ... 
doi:10.9734/jerr/2021/v20i917376 fatcat:jr6qy3dxwbchtiaxpvchqmwbma

Modeling of cross-regulation in multiple-output flyback converters

D. Maksimovic, R. Erickson
1999 APEC '99. Fourteenth Annual Applied Power Electronics Conference and Exposition. 1999 Conference Proceedings (Cat. No.99CH36285)  
Two snubber configurations are considered: a passive voltage-clamp snubber and an active-clamp snubber. Predictions of the model are verified by experiments.  ...  In this paper, complex operation of multiple-output flyback converters is explained in terms of the extended cantilever magnetics model.  ...  Multiple-output flyback converter with active-clamp snubber If an active-clamp snubber is used, the voltage v1 is clamped to Vs during the entire interval when the main transistor Q is off.  ... 
doi:10.1109/apec.1999.750501 fatcat:hfsjtjomyvad7j5nme3gzr3tei

A novel regenerative snubber circuit for flyback topology converters

Gani Balbayev, Arailym Nussibaliyeva, Baurzhan Tultaev, Erlan Dzhunusbekov, Gulsara Yestemessova, Aliya Yelemanova
2020 Journal of Vibroengineering  
Those voltage stresses have to be mitigated by implementing active or passive clamp preferably with partial leakage energy recovery.  ...  Keywords: regenerative snubber circuit, flyback, auxiliary inductance integrated with the main transformer, transformer leakage energy recovery, semi-active snubber.  ...  of an innovative led power supply".  ... 
doi:10.21595/jve.2020.20898 fatcat:unbw5wi425a5bprymyq6kf6hxi

A novel semi-active regenerative snubber

Erlan J. Dzhunusbekov
2020 Journal of Vibroengineering  
The operation of the proposed snubber is analyzed to reveal benefits and simulation results are presented to verify performance. The stage by stage analysis with governing formulas has been provided.  ...  An improved regenerative snubber has been proposed to meet ever growing demand for higher efficiency.  ...  A NOVEL SEMI-ACTIVE REGENERATIVE SNUBBER. ERLAN J. DZHUNUSBEKOV  ... 
doi:10.21595/jve.2020.21005 fatcat:hyc4dehr4zhifnwsat2l22lj4i

High-efficiency, high step-up DC-DC converters

Qun Zhao, F.C. Lee
2003 IEEE transactions on power electronics  
The proposed converters, which use diodes and coupled windings instead of active switches to realize functions similar to those of active clamps, perform better than their active-clamp counterparts.  ...  Converters with active clamps recycle the leakage energy at the price of increasing topology complexity.  ...  The operation of the proposed converters is similar to that of their active-clamp counterparts, but the new converters utilize one additional diode and one coupled winding instead of an active switch in  ... 
doi:10.1109/tpel.2002.807188 fatcat:gt62mrilkrc2nb7fshsssl4ifq

Battery powered high output voltage bidirectional flyback converter for cylindrical DEAP actuator

Lina Huang, Prasanth Thummala, Zhe Zhang, Michael A. E. Andersen
2012 2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC)  
In order to verify the analysis, critical simulation results are provided. So far, a unidirectional flyback converter, which can realize the energy transfer process, has been implemented in the lab.  ...  In this paper, a high voltage bidirectional flyback converter with low input voltage is presented.  ...  TOPOLOGY AND WORKING PRINCIPLE The bidirectional flyback converter is shown in Figure 4 , consisting of coupled inductors in the middle and active power switches in both primary and secondary side.  ... 
doi:10.1109/ipmhvc.2012.6518778 fatcat:2jc226g3dfakhmzlc5534ynm3i
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