Academic literature on the topic 'Quasi-Resonant Soft Switching Technique'

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Journal articles on the topic "Quasi-Resonant Soft Switching Technique"

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HUA, GUICHAO, and FRED C. LEE. "SOFT-SWITCHING PWM CONVERTER TECHNOLOGIES." Journal of Circuits, Systems and Computers 05, no. 04 (1995): 531–58. http://dx.doi.org/10.1142/s0218126695000333.

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The switched-mode power conversion technologies have evolved from the basic PWM converters to resonant converters, quasi-resonant converters, multi-resonant converters, and most recently, to soft-switching PWM converters. In this paper, several typical resonant techniques and several soft-switching PWM techniques are reviewed, and their merits and limitations are assessed. The resonant techniques reviewed include the quasi-resonant converters, multi-resonant converters, Class-E converters, and resonant dc link converters; and the soft-switching PWM techniques reviewed include the zero-voltage-switched (ZVS) quasi-square-wave converters, ZVS-PWM converters, zero-current-switched PWM converters, zero-voltage- transition PWM converters, and zero-current-transition PWM converters.
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JOVANOVIĆ, MILAN M. "Invited paper. Resonant, quasi-resonant, multi-resonant and soft-switching techniques—merits and limitations." International Journal of Electronics 77, no. 5 (1994): 537–54. http://dx.doi.org/10.1080/00207219408926086.

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Kasiran, A. N., A. Ponniran, A. A. Bakar, M. H. Yatim, M. K. R. Noor, and J. N. Jumadril. "Implementation of Resonant and Passive Lossless Snubber Circuits for DC-DC Boost Converter." International Journal of Engineering & Technology 7, no. 4.30 (2018): 246. http://dx.doi.org/10.14419/ijet.v7i4.30.22276.

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This paper presents the comparison of resonant and passive lossless snubber circuits implementation for DC-DC boost converter to achieve soft-switching condition. By applying high switching frequency, the volume reduction of passive component can be achieved. However, the required of high switching frequency cause the switching loss during turn-ON and turn-OFF condition. In order to reduce the switching loss, soft-switching technique is required in order to reduce or eliminate the losses at switching devices. There are various of soft-switching techniques can be considered, either to reduce the switching loss during turn-ON only, or turn-OFF only, or both. This paper discusses comparative analyses of resonant and passive lossless snubber circuits which applied in the DC-DC boost converter structure. Based on the simulation results, the switching loss is approximately eliminated by applying soft-switching technique compared to the hard-switching technique implementation. The results show that the efficiency of resonant circuit and passive lossless snubber circuit are 82.99% and 99.24%, respectively. Therefore, by applying passive lossless snubber circuit in the DC-DC boost converter, the efficiency of the converter is greatly increased. Due to the existing of an additional capacitor in soft-switching circuit, it realizes lossless operation of DC-DC boost converter.
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Zheng, Pin Qi, and Qing Sheng Yu. "Optimal Design of Energy-Saving Induction Cooker Power Controller Based on Fuzzy Technology." Applied Mechanics and Materials 678 (October 2014): 423–28. http://dx.doi.org/10.4028/www.scientific.net/amm.678.423.

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Application of Soft-switching technique and fuzzy control is discussed to optimize traditional induction cooker controller. Soft-switching technique is used to improve output efficiency of induction cooker. Switch voltage regulation by fuzzy control are used to adjust output power of induction cooker. Soft-switching inverter consists of resonant DC link and LC resonant network. Resonant DC link is used to realize ZVS, and resonant network is used to eliminate harmonics. Fuzzy control based on look-up table is adopted to adjust duty cycle of switch mode regulated power supply, which changes the DC supply voltage, so that amplitude of AC signal inverted by induction cooker is changed to adjust output power of induction cooker according to the requirement, , ensuring the operating temperature aligned with the target temperature.
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Ota, Ryosuke, Dannisworo Sudarmo Nugroho, and Nobukazu Hoshi. "A Consideration on Maximum Efficiency of Resonant Circuit of Inductive Power Transfer System with Soft-Switching Operation." World Electric Vehicle Journal 10, no. 3 (2019): 54. http://dx.doi.org/10.3390/wevj10030054.

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By using bi-directional inductive power transfer (IPT) systems as battery chargers for electric vehicles (EVs), battery charging operations become convenient and safe. However, IPT systems have problems such as occurrences of much electromagnetic noise and power loss because the converters of IPT systems are driven in high frequency by tens of kHz. To solve these problems, there is a case where the soft-switching technique needs to be applied to the converters of IPT systems. However, in soft-switching operation, the power factor of the resonant circuit becomes lower, resulting in a lower resonant circuit efficiency. In previous works, when the soft-switching technique was applied to the converters, the resonant circuit had not always been able to be operated with high efficiency because the influence caused by soft-switching operation had not been considered. For this reason, there was a case where the efficiency of the overall system with soft-switching operation became lower than the efficiency in hard-switching operation. Therefore, in this paper, the influence on the efficiency of the resonant circuit caused by the soft-switching operation is clarified by the theoretical analysis and experiments; then, the guideline for improving the efficiency of IPT systems is shown. As a result, in the experiments, it could be understood that the efficiency of the overall system with soft-switching operation becomes higher than the efficiency in hard-switching operation when the operating point of the resonant circuit was close to the requirement guideline, which is shown by using the primary-side voltage and the secondary-side voltage of the resonant circuit. Therefore, it is suggested that the efficiency of IPT systems could be improved by properly regulating the primary-side direct current (DC) voltage.
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Y, Sukhi, and Padmanabhan S. "SOFT SWITCHING TECHNIQUE USING RESONANT CONVERTER FOR CONSTANT SPEED DRIVE." International Journal on Intelligent Electronic Systems 2, no. 1 (2008): 16–21. http://dx.doi.org/10.18000/ijies.30019.

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Sayed, Khairy, Mohammed G. Gronfula, and Hamdy A. Ziedan. "Novel Soft-Switching Integrated Boost DC-DC Converter for PV Power System." Energies 13, no. 3 (2020): 749. http://dx.doi.org/10.3390/en13030749.

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This paper presents a novel soft-switching boost DC-DC converter, which uses an edge-resonant switch capacitor based on the pulse width modulation PWM technique. These converters have high gain voltage due to coupled inductors, which work as a transformer, while the boost converter works as a resonant inductor. Upon turning on, the studied soft switching circuit works at zero-current soft switching (ZCS), and upon turning off, it works at zero-voltage soft switching (ZVS) while using active semiconductor switches. High efficiency and low losses are obtained while using soft switching and auxiliary edge resonance to get a high step-up voltage ratio. A prototype model is implemented in the Power Electronics Laboratory, Assiut University, Egypt. Seventy-two-panel PV modules of 250 W each were used to simulate and execute the setup to examine the proposed boost converter.
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Kasiran, Mohd Amirul Naim, Asmarashid Ponniran, Nurul Nabilah Mad Siam, Mohd Hafizie Yatim, Nor Azmira Che Ibrahim, and Asmawi Md Yunos. "DC-DC converter with 50 kHz-500 kHz range of switching frequency for passive component volume reduction." International Journal of Electrical and Computer Engineering (IJECE) 11, no. 2 (2021): 1114. http://dx.doi.org/10.11591/ijece.v11i2.pp1114-1122.

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This paper presents the relationship of switching frequency towards passive components volume of DC-DC boost converter. Principally, the inductor current ripple and capacitor voltage ripple must be considered in order to design the inductor and capacitor, respectively. By increasing the switching frequency, smaller size and volume of passive component can be designed. As the consequences, the switching loss increases during switching transition at turn-ON and turn-OFF conditions. This paper used soft-switching technique to reduce the switching loss at turn-ON condition. The soft-switching technique is realized by adding resonant circuit in DC-DC boost converter. The effectiveness of resonant circuit will be analysed, thus, the efficiency of the converter can be improved. The range of switching frequency considered in the experimental are 50 kHz to 500 kHz. A 100 W prototype has been developed and tested in order to verify the principle. The switching loss experimentally confirm reduced by implementing soft-switching technique with efficiency converter improved from 96.36% to 97.12% when 500 kHz of switching frequency is considered. The passive components volume reduction is achieved when high switching frequency is used where the total volume of passive component when 50 kHz and 500 kHz are 0.083 dm3 and 0.010 dm3, respectively.
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Wai, R. J., R. Y. Duan, J. D. Lee, and L. W. Liu. "High-Efficiency Fuel-Cell Power Inverter With Soft-Switching Resonant Technique." IEEE Transactions on Energy Conversion 20, no. 2 (2005): 485–92. http://dx.doi.org/10.1109/tec.2004.832092.

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Baharom, Rahimi. "Soft Switching of Three-Phase AC to DC CIHRC with Wireless Power Transfer (WPT) Function." International Journal of Power Electronics and Drive Systems (IJPEDS) 9, no. 3 (2018): 965. http://dx.doi.org/10.11591/ijpeds.v9.i3.pp965-971.

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<span lang="EN-US">This paper presents the verification of soft switching condition for three-phase AC to DC current injection hybrid resonant converter (CIHRC) with wireless power transfer (WPT) function. Details on the operation of current injection technique with the lossless zero voltage switching (ZVS) condition on shaping the high power factor of supply current waveforms are presented. With a suitable high switching frequency operation, the proposed resonant converter is capable to operate with ZVS conditions, thus, allowing reduction in the size of inductive and magnetic components. Selected results are also presented to verify the lossless ZVS condition for three-phase AC-DC CIHRC with WPT function.</span>
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Dissertations / Theses on the topic "Quasi-Resonant Soft Switching Technique"

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Ahmad, Nisar. "Design and Implementation of a High Frequency Flyback Converter." Thesis, Mittuniversitetet, Avdelningen för elektronikkonstruktion, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-24598.

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The power supply designers choose flyback topology due to its promising features of design simplicity, cost effectiveness and multiple outputs handling capability. The designed product based on flyback topology should be smaller in size, cost effective and energy efficient. Similarly, designers focus on reducing the circuit losses while operating at high frequencies that affect the converter efficiency and performance. Based on the above circumstances, an energy efficient open loop high frequency flyback converter is designed and operated in MHz frequency region using step down multilayer PCB planar transformer. The maximum efficiency of 84.75% is observed and maximum output power level reached is 22.8W. To overcome the switching losses, quasi-resonant soft switching technique is adopted and a high voltage CoolMOS power transistor is used.
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Dvořák, Petr. "Dvojčinný kvazirezonanční DC/DC měnič s transformátorem." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-412973.

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This diploma thesis deals with analysis of function and subsequent construction of a quasi-resonant DC / DC converter 300 V / 50 V for an output of about 1.5 kW. The aim of this work is to test and describe the behavior of an experimental converter at various operating parameters. In the theoretical part, resonant circuits are described, as well as our connection of the resonant converter. Based on the used topology and the simulated behavior of the converter, the individual components of the power circuit and its control and excitation circuit are designed in Chapters 4 and 5. The sixth chapter deals with the construction and testing of the converter, including a description of its behavior. The last chapter contains technical documentation.
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Conference papers on the topic "Quasi-Resonant Soft Switching Technique"

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Itakura, Koji, Hiroaki Kakemizu, Hiroki Nakaido, et al. "Soft-switching technique applicable to capacitive load for resonant inverter of plasma generator." In IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society. IEEE, 2017. http://dx.doi.org/10.1109/iecon.2017.8216264.

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Wei Chen, Zhengyu Lu, Xiaofeng Zhang, and Shaoshi Ye. "A novel asymmetrical dual switch forward converter employing resonant reset technique for soft switching." In 2008 IEEE Applied Power Electronics Conference and Exposition - APEC 2008. IEEE, 2008. http://dx.doi.org/10.1109/apec.2008.4522742.

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Voss, Johannes, Bakr Bagaber, and Rik W. De Doncker. "Full soft-switching capability of the dual-active bridge by using the auxiliary-resonant commutated-pole technique." In 2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG). IEEE, 2017. http://dx.doi.org/10.1109/pedg.2017.7972487.

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Zhu, Yuan, Minjie Chen, Xutao Lee, and Yoshihara Tsutomu. "A novel quasi-resonant soft-switching Z-source inverter." In 2012 IEEE International Conference on Power and Energy (PECon). IEEE, 2012. http://dx.doi.org/10.1109/pecon.2012.6450225.

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Khalilian, Mojtaba, Hosein Farzanehfard, and Ehsan Adib. "A novel quasi-resonant three-phase soft-switching inverter." In 2012 3rd Power Electronics, Drive Systems & Technologies Conference (PEDSTC). IEEE, 2012. http://dx.doi.org/10.1109/pedstc.2012.6183376.

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Kedarisetti, Jayalakshmi, Calin Purcarea, and Peter Mutschler. "Design of a quasi resonant DC-link soft-switching inverter." In 2010 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM 2010). IEEE, 2010. http://dx.doi.org/10.1109/speedam.2010.5542124.

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Kedarisetti, Jayalakshmi, and Peter Mutschler. "Control of a quasi resonant DC-link soft switching inverter." In 2011 IEEE 20th International Symposium on Industrial Electronics (ISIE). IEEE, 2011. http://dx.doi.org/10.1109/isie.2011.5984152.

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Meraj, Mohamed, Syed Rahman, Shahbaz Husain, Lazhar Ben-Brahim, and Atif Iqbal. "New switching technique for quasi-Z-source resonant converter." In 2018 IEEE 12th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG). IEEE, 2018. http://dx.doi.org/10.1109/cpe.2018.8372546.

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Ahmed, N. A., Y. Miura, T. Ahmed, et al. "Quasi-Resonant Dual Mode Soft Switching PWM and PDM High-Frequency Inverter with IH Load Resonant Tank." In 2005 IEEE 36th Power Electronic Specialists Conference. IEEE, 2005. http://dx.doi.org/10.1109/pesc.2005.1582034.

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Jafar, J. J., and B. G. Fernandes. "A new quasi-resonant DC-link PWM inverter using single switch for soft switching." In APEC '99. Fourteenth Annual Applied Power Electronics Conference and Exposition. 1999 Conference Proceedings (Cat. No.99CH36285). IEEE, 1999. http://dx.doi.org/10.1109/apec.1999.750534.

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