Results 91 to 100 of about 2,353 (219)
Optically Triggered Self-Adaptive Zero Voltage Switching
Zero voltage switching (ZVS) is useful to increase power electronics efficiency but difficult to achieve due to the nonlinear parasitic capacitance of the power semiconductors and varying load current.
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Estudo de um conversor CC-CC em ponte completa, com comutação suave e baixas perdas de condução [PDF]
, 1995 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro TecnologicoEstudo de um conversor CC-CC em ponte completa, visando empregá-lo como fonte de alimentação de alta densidade de potência substituindo ao tradicional conversor em ponte ...
Costa, Wadaed Uturbey da
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Journal of Engineering Research and Education (JERE)This paper comprehensively studies an inductive power transfer (IPT) -based toy drone charging system. The main issue of toy drones are limited flight time and battery capacity. Due to this, it has motivated us to propose a portable charging system to power up the battery of a toy drone wirelessly.
null Syahmi Syafiq Ishak +7 more
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Microcontroller based three-level zero voltage switching pulse-width-modulation DC-to-DC converter [PDF]
, 2008 The purpose of this project is to develop a Three-Level Zero Voltage Switching PWM DC-to-DC Converter controlled by Microcontroller. The scopes of works for this project include to convert DC to DC voltage, implement Zero Voltage Switching (ZVS) to ...
Shakina, Abu Hasan
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Research on High Efficient Resonant Full-bridge Converter with High Voltage SiC MOSFET
Kongzhi Yu Xinxi Jishu, 2016 With SiC MOSFET, resonant converter can achieve high frequency and high efficiency, thus increasing the power density with reducing total cost and simplify topology.
Jimmy Liu, John Mookken, Kin Lap
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IEEE Open Journal of Power ElectronicsUnfolding-based single-stage ac-dc converters offer benefits in terms of efficiency and power density due to the low-frequency operation of the Unfolder, resulting in negligible switching losses.
SHUBHANGI GURUDIWAN +3 more
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Novel zero-voltage switching techniques for pulse-width-modulated converters
, 2009 Two new classes of soft switching pulse-width-modulated (PWM) converters, named zero-voltage-switched (ZVS) PWM converters and zero-voltage-transition (ZVT) PWM converters, are proposed. The proposed ZVS-PWM converters combine the merits of conventional
Hua, Guichao
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Lowest-Voltage-Switching and Zero-Voltage-Switching Control for Buck Converter
, 2010 本論文主要針對降壓轉換器，提出操作於連續/非連續之臨界模式的低電壓切換與零電壓切換之積體化電路控制技術。此技術可自動補償電路延遲，並在低汲源電壓/零汲源電壓的狀態時，將功率電晶體導通，不需任何複雜計算時間的電路，也不需任何外部輔助元件。本論文提出之控制電路，也可應用於其他電源轉換器上，如昇壓、昇－降壓、及返馳式轉換器。本論文內容包含控制分析、電路組成、及輸入電壓5V、輸出電壓各為1.8V、3.3V的實驗結果；實驗結果顯示具低電壓切換/零電壓切換技術之降壓轉換器，比傳統降壓轉換器具更高的轉換效率 ...
姜柱圯, Chiang, Chu-Yi
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, 2022 Department of Electrical EngineeringIn this thesis, the digitally operating PMOS on/off time control for Boost Converter based photovoltaic energy harvesting system is proposed.
Kim, Ji Won
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DAB unified ZVS control strategy with optimal current stress in full power range under TPS control
IET Power ElectronicsCurrent stress and soft switching range are important performance indexes of dual active bridge DC–DC converter. Based on three‐phase shift control, Karush–Kuhn–Tucker (KKT) algorithm is used to solve the optimal control strategy of current stress under ...
Shuai Cheng +3 more
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