Design of a Novel Integrated L-C-T for PSFB ZVS Converters

Jiashen Tian; Junxia Gao; Yiming Zhang

Design of a Novel Integrated L-C-T for PSFB ZVS Converters

Jiashen Tian

Junxia Gao

Yiming Zhang

Vol. 17, No. 4, pp. 905-913, Jul. 2017

10.6113/JPE.2019.17.4.905

Electromagnetic energy

Equivalent interlayer capacitance

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Abstract

To enhance the zero-voltage switching (ZVS) range and power density of the phase-shift full-bridge (PSFB) ZVS converters used in geophysical exploration, an additional resonant inductor is used as a leakage inductance and a blocking capacitor which is equivalent to interlayer capacitance is integrated into a novel integrated inductor-capacitor-transformer (L-C-T). The leakage inductance and equivalent interlayer capacitance of the novel integrated L-C-T are difficult to determine by conventional methods. To address this issue, this paper presents accurate and efficient methods to compute the leakage inductance and equivalent interlayer capacitance. Moreover, the accuracy of this methodology, which is based on electromagnetic energy and Lebedev’s method, is verified by an experimental analysis and a finite element analysis (FEA). Taking the problems of the novel integrated L-C-T into consideration, the losses of the integrated L-C-T are analyzed and the temperature rise of the integrated L-C-T is determined by FEA. Finally, a PSFB ZVS converter prototype with the novel integrated L-C-T is designed and tested.

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Cite this article

[IEEE Style]

J. Tian, J. Gao, Y. Zhang, "Design of a Novel Integrated L-C-T for PSFB ZVS Converters," Journal of Power Electronics, vol. 17, no. 4, pp. 905-913, 2017. DOI: 10.6113/JPE.2019.17.4.905.

[ACM Style]

Jiashen Tian, Junxia Gao, and Yiming Zhang. 2017. Design of a Novel Integrated L-C-T for PSFB ZVS Converters. Journal of Power Electronics, 17, 4, (2017), 905-913. DOI: 10.6113/JPE.2019.17.4.905.