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A non-isolated DITO high step up DC/DC converter with reduced voltage stress on power switches. [PDF]
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A Capacitive Isolated LLC Converter
2021 IEEE Applied Power Electronics Conference and Exposition (APEC), 2021In this paper, a novel isolated structure is presented and applied to the LLC converter. The resonant capacitor is separated into two resonant capacitors, which takes a role of not only resonant behavior but also isolation. By doing so, the proposed LLC converter has a higher power density than the traditional LLC converter due to reduction of the size
Y. T. Yau, Hung-Tsung Liang, K. I. Hwu
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IEEE Transactions on Power Electronics, 2006
Two implementations of the isolated boost converter that exhibit no parasitic voltage ringing across all semiconductor devices on the primary and secondary sides of the transformer are introduced. Ringing-free operation is achieved by clamping the voltages of the primary switches and rectifiers to the voltage of the primary-side energy-storage ...
Y. Jang, M.M. Jovanovic
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Two implementations of the isolated boost converter that exhibit no parasitic voltage ringing across all semiconductor devices on the primary and secondary sides of the transformer are introduced. Ringing-free operation is achieved by clamping the voltages of the primary switches and rectifiers to the voltage of the primary-side energy-storage ...
Y. Jang, M.M. Jovanovic
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Simplified Isolated Forward Converter
INTELEC '82 - International Telecommunications Energy Conference, 1982This thesis pertains to a forward converter consisting only of primary-side control circuits for regulating the output voltage. Control circuits in a conventional forward converter for regulating the output voltage control the on and off times of primary-side switching transistor by comparing the output voltage directly with the reference voltage.
M. Kohno, T. Suzuki
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Isolated voltage-boosting converter
2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA), 2014In this paper, a single switch isolated voltage-boosting converter is presented, which is derived from the traditional flyback converter and charge pump concept. The proposed converter possesses an output inductor, so the output current is non-pulsating.
K. I. Hwu, W. Z. Jiang, Jenn-Jong Shieh
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Comparison of Non-Isolated Boost Converter & Isolated Flyback Converter for PV Application
2017 International Conference on Innovations in Control, Communication and Information Systems (ICICCI), 2017Need of alternate electrical energy resources and compatibility with grid connection has revived the interest in PV system. In this paper, PV module is designed. The different characteristics curve of solar cell is obtained and it’s dependency is observed on temperature and irradiation.
Dhananjay Kumar +3 more
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Isolated Converters as LED Drivers
2021In this study, comparative analyses of performance of isolated flyback and forward DC-DC converters for output voltage and current of 12V and 300mA, respectively, are reported, based on solutions of the governing ordinary differential equations. Results of simulations using MATLAB / Simulink are presented. The importance of selecting a proper step size
Sumukh Surya, R. Srividya
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Novel capacitor-isolated power converter
2010 IEEE Energy Conversion Congress and Exposition, 2010This paper presented a novel power conversion method of realizing the galvanic isolation by dual safety capacitors (Y-cap) instead of conventional transformer. With limited capacitance of the Y capacitor, series resonant is proposed to achieve the power transfer.
Jingpeng Zhu +3 more
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Non-Isolated Interleaved Flyback Converter
2018 IEEE Innovative Smart Grid Technologies - Asia (ISGT Asia), 2018There is an ever-increasing demand for viable, clean, energy sources. The main obstacle in using solar energy sources is that the output voltage obtained is too low for practical use. The obtained output voltage should be stepped up considerably in connection with the utility mains.
Girish Ganesan R. +2 more
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Isolated high voltage‐boosting converter derived from forward converter
International Journal of Circuit Theory and Applications, 2015SummaryA novel isolated high voltage‐boosting converter, derived from the traditional forward converter, is presented in this paper. As compared with the traditional forward converter, the demagnetizing winding of the transformer in the proposed converter is used not only to demagnetize but also to improve the voltage conversion ratio.
K. I. Hwu, W. Z. Jiang, J. Y. Chien
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