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Higher constant switching frequency-based HF-link half-bridge PWM DC-DC converter topology with ZCS commutations

Higher constant switching frequency-based HF-link half-bridge PWM DC-DC converter topology with ZCS commutations

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  • Author(s): T. Mishima 1  and  M. Nakaoka 2
    • View affiliations
    • Affiliations: 1: Department of Electrical Engineering and Information Science, Kure College of Technology, Hiroshima, Japan
      2: Electric Energy Saving Research Center, Kyungnam University, Masan, Republic of Korea
  • Source: Volume 44, Issue 12, 05 June 2008, p. 769 – 770
    DOI:  10.1049/el:20080579 , Print ISSN 0013-5194, Online ISSN 1350-911X
© The Institution of Engineering and Technology
Published

A novel zero current soft switching (ZCS) pulse width modulation (PWM) half-bridge DC-DC converter is presented. ZCS commutation can be achieved for a wide load power setting with the asymmetrical PWM-based duty-cycle control scheme under a constant switching frequency. The effectiveness of the proposed converter topology and soft switching scheme are demonstrated with experimental results using the 0.8 kW–55 kHz prototype.

Inspec keywords: zero current switching; DC-DC power convertors; bridge circuits; PWM power convertors

Other keywords: HF-link converter topology; frequency 55 kHz; PWM half-bridge DC-DC converter; zero current soft switching; switching frequency; asymmetrical PWM-based duty-cycle control scheme; pulse width modulation; power 0.8 kW

Subjects: Power convertors and power supplies to apparatus; Power electronics, supply and supervisory circuits

References

    1. 1)
      • R. Chen , J. Tjeerd , J.D. Wyk . Design of planner integrated passive module for zero-voltage-switched asymmetrical half-bridge PWM converter. IEEE Trans. Ind. Appl. , 3 , 567 - 577
    2. 2)
      • J.-J. Lee , B.-H. Kwon . High-performance light emitting diode backlight driving system for large-screen liquid crystal display. IET Electr. Power Appl. , 6 , 946 - 955
    3. 3)
      • Hsieh, G.C., Tsai, C.Y., Hsieh, S.H.: `Design considerations for LLC series-resonant converter in two-resonant regions', Proc. IEEE Power Electronics Specialists Conf. 2007, June 2007, Orlando, FL, USA, p. 731–736.
    4. 4)
      • Zang, Y., Xu, D., Mino, K., Sasagawa, K.: `1 MHz-1 kW LLC resonant converter with integrated magnetics', Proc. IEEE Applied Power Electronics Conf. and Exposition 2007, Febuary 2007, Anaheim, CA, USA, p. 955–961.
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