Skip to content
Electronic and Acoustic Engineering
ISSN 2524-2725 · e‑ISSN 2617-0965 Open Access · CC BY-NC 4.0
Vol. 2 · Issue 2 · 2019 Apr 26, 2019 Electronic Systems and Signals

Confrontation of the DC/DC converters  efficiency with soft and hard switching  at high frequencies

PM
Petro Victorovych Mykolaichuk Corresponding National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute” Ukraine
VO
Valeriia Mykolaivna Okhmak National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute” Ukraine
Pages16-21 PublishedApr 26, 2019 LicenseOpen Access
pdf (Ukrainian)
VOL 2 · ISS 2 · 2019 View issue

Abstract

In this paper, the analysis of power losses of an uninsulated converter with hard switching and a quasi resonant converter with soft switching for different frequencies is carried out. Comparison of the efficiency and power loss of passive components are designed for different switching frequencies. Soft commutation occurs over a wide range of loads due to the placement of a capacitor parallel to the drain leakage of the MDN transistor. Soft switching is an important factor in ensuring a stable electrical circuit operation. The main tasks of the designer is the implementation of a system that will perform its effective work for a minimum of materials. Therefore, first of all, an important comparison of the resources spent and the results obtained, as implemented in this article. Methods of providing soft switching allow to influence qualitatively and quantitatively the physical parameters of the system. In order to evaluate the benefits of soft switching, the power loss of the system can be compared to two cases. Soft commutation occurs over a wide range of loads due to the placement of a capacitor in parallel with the drain-leakage of the transistor, compared with the hard switching of the uninsulated converter. Modern systems are designed in such a way that they can carry out complex operations to use the minimum of materials. Therefore, switching from one operating mode to another is inevitable and absolutely necessary for the purpose of providing productive work. Usually, the switching process is accompanied by a voltage drop on the load or energy dissipation, it arises as a result of closing or unlocking the electric circuit at which there is a jump-like change in the value of the resistance. This article describes the methods for using such phenomena and the performance of the system through their use. Power supply is an important factor in the well functioning of any system that performs its functional purpose, connected with the development and maintenance of human life and the environment, from which, in the first place, the qualitative component of this process depends. In the period of a rapid increase in the level of globalization, the issue of reducing the use of resources and their rational minimization passes from the category of urgent to the issue of priority solution. This article may be useful for those who clearly want to look at the comparison of two processes: hard and soft switching. 

Keywords

#soft switching #power loss #hard switching #transient frequency dependence #DC converter #quasi resonant converter

References

  1. Jung-Goo Cho, Ju-Won Baek, Geun-Hie Rim, and Iouri Kang, “Novel zero voltage transition PWM multi-phase converters,” in Proceedings of Applied Power Electronics Conference. APEC ’96, 1998, vol. 1, pp. 500–506, DOI: 10.1109/APEC.1996.500488
  2. M. T. Zhang, M. M. Jovanović, and F. C. Y. Lee, “Design considerations and performance evaluations of synchronous rectification in flyback converters,” IEEE Trans. Power Electron., vol. 13, no. 3, pp. 538–546, 1998, DOI: 10.1109/63.668117
  3. I. Aksoy, H. Bodur, and A. F. Bakan, “A new ZVT-ZCT-PWM DC-DC converter,” IEEE Trans. Power Electron., vol. 25, no. 8, pp. 2093–2105, 2010, DOI: 10.1109/TPEL.2010.2043266
  4. K. H. Liu and C. Y. Lee, “Zero-Voltage Switching Technique in DC/DC Converters,” IEEE Trans. Power Electron., vol. 5, no. 3, pp. 293–304, 1990, DOI: 10.1109/63.56520
  5. F. C. Lee, W. A. Tabisz, and M. M. Jovanović, “High-frequency quasi-resonant and multi-resonant converter technologies,” Arch. für Elektrotechnik, vol. 74, no. 2, pp. 107–116, 1990, DOI: 10.1007/BF01476820
  6. W. A. Tabisz and F. C. Y. Lee, “Zero-Voltage-Switching Multiresonant Technique—a Novel Approach to Improve Performance of High-Frequency Quasi-Resonant Converters,” IEEE Trans. Power Electron., vol. 4, no. 4, pp. 450–458, 1989, DOI: 10.1109/63.41774
  7. J. Dudrik and N. D. Trip, “Soft-switching PS-PWM DCDC converter for full-load range applications,” IEEE Trans. Ind. Electron., vol. 57, no. 8, pp. 2807–2814, 2010, DOI: 10.1109/TIE.2009.2037100
  8. R. Laouamer, M. Brunello, J. P. Ferrieux, O. Normand, and N. Buchheit, “A multi-resonant converter for non-contact charging with electromagnetic coupling,” pp. 792–797, 2002, DOI: 10.1109/iecon.1997.671998
  9. G. Hua, C. S. Leu, and F. C. Lee, “Novel zero-voltage-transition PWM converters,” 2003, pp. 55–61, DOI: 10.1109/PESC.1992.254691
  10. Min Chen and Jian Sun, “Reduced-order averaged modeling of active-clamp converters,” IEEE Trans. Power Electron., vol. 21, no. 2, pp. 487–494, 2006, DOI: 10.1109/tpel.2005.869761
  11. J. A. Sabate, V. Vlatkovic, R. B. Ridley, and F. C. Lee, “High-voltage, high-power, ZVS, full-bridge PWM converter employing an active snubber,” pp. 158–163, 2002, DOI: 10.1109/apec.1991.146157
  12. C. Zhao, S. D. Round, and J. W. Kolar, “Full-order averaging modelling of zero-voltage-switching phase-shift bidirectional DC–DC converters,” IET Power Electron., vol. 3, no. 3, p. 400, 2010, DOI: 10.1049/iet-pel.2008.0208
  13. H. Keyhani, H. A. Toliyat, M. Harfman-Todorovic, R. Lai, and R. Datta, “An isolated resonant AC-link three-phase AC-AC converter using a single HF transformer,” IEEE Trans. Ind. Electron., vol. 61, no. 10, pp. 5174–5183, 2014, DOI: 10.1109/TIE.2014.2300051
  14. H. Keyhani and H. A. Toliyat, “A new generation of buck-boost resonant AC-link DC-DC converters,” in Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC, 2013, pp. 1383–1390, DOI: 10.1109/APEC.2013.6520480
  15. Sang-Hoon Park, So-Ri Park, Jae-Sung Yu, Yong-Chae Jung, and Chung-Yuen Won, “Analysis and Design of a Soft-Switching Boost Converter With an HI-Bridge Auxiliary Resonant Circuit,” IEEE Trans. Power Electron., vol. 25, no. 8, pp. 2142–2149, 2010, DOI: 10.1109/tpel.2010.2046425
  16. A. K. Rathore, A. K. S. Bhat, and R. Oruganti, “Analysis, design and experimental results of wide range ZVS active-clamped L-L type current-fed DC/DC converter for fuel cells to utility interface,” IEEE Trans. Ind. Electron., vol. 59, no. 1, pp. 473–485, 2012, DOI: 10.1109/TIE.2011.2146214
  17. S. Ang and A. Oliva, Power-Switching Converters, 2nd ed. CRC Press, 2005, ISBN: 978-0824722456
  18. A. Mousavi, P. Das, and G. Moschopoulos, “A comparative study of a new ZCS DC-DC full-bridge boost converter with a ZVS active-clamp converter,” IEEE Trans. Power Electron., vol. 27, no. 3, pp. 1347–1358, 2012, DOI: 10.1109/TPEL.2011.2118233

License

CCBY-NC 4.0
Creative Commons Attribution-NonCommercial 4.0 International

You may share and adapt this work for non-commercial purposes only, with appropriate credit. View license terms ↗

Copyright (c) 2019 Петро Вікторович Миколайчук, Валерія Миколаївна Охмак (Автор)

§ 06 — Related

Similar articles in this journal

Related peer-reviewed studies published in this journal.
View all issues

Most read articles by the same author(s)

Similar Articles

1-10 of 123

You may also start an advanced similarity search for this article.