Study and Implementation of Asymmetrical Half-Bridge Forward Resonant Converter
碩士 === 國立臺灣科技大學 === 電子工程系 === 104 === This thesis proposes an asymmetrical half-bridge forward resonant converter, which applies the so-called of a “hybrid-switching” technique on the converter to increase the range of zero-voltage-switching (ZVS), and the zero-current-switching (ZCS) on output diod...
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ndltd-TW-104NTUS54280292017-10-29T04:34:40Z http://ndltd.ncl.edu.tw/handle/29206529313047032700 Study and Implementation of Asymmetrical Half-Bridge Forward Resonant Converter 非對稱半橋順向諧振是轉換器之研製 Yu-Fu Chen 陳裕夫 碩士 國立臺灣科技大學 電子工程系 104 This thesis proposes an asymmetrical half-bridge forward resonant converter, which applies the so-called of a “hybrid-switching” technique on the converter to increase the range of zero-voltage-switching (ZVS), and the zero-current-switching (ZCS) on output diode. The magnetic hysteresis loop of a half-bridge converter can transverse over both the first and the third quadrants; therefore the magnetic components can be fully utilized. An asymmetrical half-bridge converter has the following advantages: simple structure, lower switch voltage rating, ZVS features and therefore suitable for low power applications. This thesis presents an asymmetrical half-bridge forward resonant converter without output inductor. The secondary-side Schottky diode is replaced by a synchronous rectification power MOSFETs to reduce the conduction loss and improve the power efficiency. The operating principle of the proposed converter has been analyzed, described and discussed in detail. The simulations using SIMPLIS are performed and used for circuit design. A wide input range 90 ~264 Vacin and an output of 19 V/65 W converter is implemented to verify the proposed converter scheme, which applies adapter. Huang-Jen Chic Jing-Yuan Lin 邱煌仁 林景源 2016 學位論文 ; thesis 98 zh-TW |
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碩士 === 國立臺灣科技大學 === 電子工程系 === 104 === This thesis proposes an asymmetrical half-bridge forward resonant converter, which applies the so-called of a “hybrid-switching” technique on the converter to increase the range of zero-voltage-switching (ZVS), and the zero-current-switching (ZCS) on output diode. The magnetic hysteresis loop of a half-bridge converter can transverse over both the first and the third quadrants; therefore the magnetic components can be fully utilized. An asymmetrical half-bridge converter has the following advantages: simple structure, lower switch voltage rating, ZVS features and therefore suitable for low power applications. This thesis presents an asymmetrical half-bridge forward resonant converter without output inductor. The secondary-side Schottky diode is replaced by a synchronous rectification power MOSFETs to reduce the conduction loss and improve the power efficiency.
The operating principle of the proposed converter has been analyzed, described and discussed in detail. The simulations using SIMPLIS are performed and used for circuit design. A wide input range 90 ~264 Vacin and an output of 19 V/65 W converter is implemented to verify the proposed converter scheme, which applies adapter.
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author2 |
Huang-Jen Chic |
author_facet |
Huang-Jen Chic Yu-Fu Chen 陳裕夫 |
author |
Yu-Fu Chen 陳裕夫 |
spellingShingle |
Yu-Fu Chen 陳裕夫 Study and Implementation of Asymmetrical Half-Bridge Forward Resonant Converter |
author_sort |
Yu-Fu Chen |
title |
Study and Implementation of Asymmetrical Half-Bridge Forward Resonant Converter |
title_short |
Study and Implementation of Asymmetrical Half-Bridge Forward Resonant Converter |
title_full |
Study and Implementation of Asymmetrical Half-Bridge Forward Resonant Converter |
title_fullStr |
Study and Implementation of Asymmetrical Half-Bridge Forward Resonant Converter |
title_full_unstemmed |
Study and Implementation of Asymmetrical Half-Bridge Forward Resonant Converter |
title_sort |
study and implementation of asymmetrical half-bridge forward resonant converter |
publishDate |
2016 |
url |
http://ndltd.ncl.edu.tw/handle/29206529313047032700 |
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