Output Voltage Ripple Analysis and Design Considerations of Intrinsic Safety Flyback Converter Based on Energy Transmission Modes


Vol. 14, No. 5, pp. 908-917, Sep. 2014
10.6113/JPE.2014.14.5.908


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 Abstract

For the purpose of designing an intrinsic safety Flyback converter with minimal output voltage ripple based on a specified outputcurrent, this paper first classified the energy transmission modes of the system into three sorts, namely, the Complete InductorSupply Mode-CCM (CISM-CCM), the Incomplete Inductor Supply Mode-CCM (IISM-CCM) and the Incomplete Inductor SupplyMode-DCM (IISM-DCM). Then, the critical secondary self-inductance assorting the three modes are deduced and expressions of theoutput voltage ripples (OVR) are presented. For a Flyback converter with constant loads and switching frequency, it is shown thatthe output voltage ripple in the CISM-CCM is the smallest and that it has no relationship with the secondary self-inductance.


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Cite this article

[IEEE Style]

W. Hu, F. Zhang, Y. Xu, X. Chen, "Output Voltage Ripple Analysis and Design Considerations of Intrinsic Safety Flyback Converter Based on Energy Transmission Modes," Journal of Power Electronics, vol. 14, no. 5, pp. 908-917, 2014. DOI: 10.6113/JPE.2014.14.5.908.

[ACM Style]

Wei Hu, Fangying Zhang, Yawu Xu, and Xinbing Chen. 2014. Output Voltage Ripple Analysis and Design Considerations of Intrinsic Safety Flyback Converter Based on Energy Transmission Modes. Journal of Power Electronics, 14, 5, (2014), 908-917. DOI: 10.6113/JPE.2014.14.5.908.

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  ISSN : 1598 - 2092
eISSN : 2093 - 4718