A Novel Self-Excited ZVS Half-Bridge Converter with Energy Stored Transformer and Capacitor

Tatsuya HOSOTANI; Kazurou HARADA; Yoshiyuki ISHIHARA; Toshiyuki TODAKA

A Novel Self-Excited ZVS Half-Bridge Converter with Energy Stored Transformer and Capacitor

Tatsuya HOSOTANI, Kazurou HARADA, Yoshiyuki ISHIHARA, Toshiyuki TODAKA

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This paper presents a novel self-excited ZVS half-bridge converter. This converter including a self-oscillating control circuit is very simply constructed. The converter achieves excellent efficiency, low voltage stress across the switches and low EMI noise by using zero-voltage-switching technique. This converter stores not only magnetic energy in the primary winding of the transformer but also electrostatic energy on the resonant capacitor during the on-periods, so that the converter realizes the miniaturization of the transformer, the reduced conduction losses and the low current stress in the switch. This paper analyzes the behavior of static characteristics by using an extending state-space-averaging method and presents design equations. Based on the analysis, two prototype converters are designed for a 120 W output and a 350 W output. Experimental results are given for two converters and they confirm the validity of the theory. The proposed converters have displayed excellent performance.

Publication: IEICE TRANSACTIONS on Communications Vol.E87-B No.12 pp.3531-3538

Publication Date: 2004/12/01

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Type of Manuscript: Special Section PAPER (Special Section on the 25th International Telecommunications Energy Conference (INTELEC'03))

Category: DC/DC Converters

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Tatsuya HOSOTANI, Kazurou HARADA, Yoshiyuki ISHIHARA, Toshiyuki TODAKA, "A Novel Self-Excited ZVS Half-Bridge Converter with Energy Stored Transformer and Capacitor" in IEICE TRANSACTIONS on Communications, vol. E87-B, no. 12, pp. 3531-3538, December 2004, doi: .
Abstract: This paper presents a novel self-excited ZVS half-bridge converter. This converter including a self-oscillating control circuit is very simply constructed. The converter achieves excellent efficiency, low voltage stress across the switches and low EMI noise by using zero-voltage-switching technique. This converter stores not only magnetic energy in the primary winding of the transformer but also electrostatic energy on the resonant capacitor during the on-periods, so that the converter realizes the miniaturization of the transformer, the reduced conduction losses and the low current stress in the switch. This paper analyzes the behavior of static characteristics by using an extending state-space-averaging method and presents design equations. Based on the analysis, two prototype converters are designed for a 120 W output and a 350 W output. Experimental results are given for two converters and they confirm the validity of the theory. The proposed converters have displayed excellent performance.
URL: https://global.ieice.org/en_transactions/communications/10.1587/e87-b_12_3531/_p

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@ARTICLE{e87-b_12_3531,
author={Tatsuya HOSOTANI, Kazurou HARADA, Yoshiyuki ISHIHARA, Toshiyuki TODAKA, },
journal={IEICE TRANSACTIONS on Communications},
title={A Novel Self-Excited ZVS Half-Bridge Converter with Energy Stored Transformer and Capacitor},
year={2004},
volume={E87-B},
number={12},
pages={3531-3538},
abstract={This paper presents a novel self-excited ZVS half-bridge converter. This converter including a self-oscillating control circuit is very simply constructed. The converter achieves excellent efficiency, low voltage stress across the switches and low EMI noise by using zero-voltage-switching technique. This converter stores not only magnetic energy in the primary winding of the transformer but also electrostatic energy on the resonant capacitor during the on-periods, so that the converter realizes the miniaturization of the transformer, the reduced conduction losses and the low current stress in the switch. This paper analyzes the behavior of static characteristics by using an extending state-space-averaging method and presents design equations. Based on the analysis, two prototype converters are designed for a 120 W output and a 350 W output. Experimental results are given for two converters and they confirm the validity of the theory. The proposed converters have displayed excellent performance.},
keywords={},
doi={},
ISSN={},
month={December},}

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TY - JOUR
TI - A Novel Self-Excited ZVS Half-Bridge Converter with Energy Stored Transformer and Capacitor
T2 - IEICE TRANSACTIONS on Communications
SP - 3531
EP - 3538
AU - Tatsuya HOSOTANI
AU - Kazurou HARADA
AU - Yoshiyuki ISHIHARA
AU - Toshiyuki TODAKA
PY - 2004
DO -
JO - IEICE TRANSACTIONS on Communications
SN -
VL - E87-B
IS - 12
JA - IEICE TRANSACTIONS on Communications
Y1 - December 2004
AB - This paper presents a novel self-excited ZVS half-bridge converter. This converter including a self-oscillating control circuit is very simply constructed. The converter achieves excellent efficiency, low voltage stress across the switches and low EMI noise by using zero-voltage-switching technique. This converter stores not only magnetic energy in the primary winding of the transformer but also electrostatic energy on the resonant capacitor during the on-periods, so that the converter realizes the miniaturization of the transformer, the reduced conduction losses and the low current stress in the switch. This paper analyzes the behavior of static characteristics by using an extending state-space-averaging method and presents design equations. Based on the analysis, two prototype converters are designed for a 120 W output and a 350 W output. Experimental results are given for two converters and they confirm the validity of the theory. The proposed converters have displayed excellent performance.
ER -