Journal Article10.1109/TIE.2008.2009561
Novel Forward–Flyback Hybrid Bidirectional DC–DC Converter
Fanghua Zhang,Yangguang Yan +1 more
198
TL;DR: The proposed converter has no startup problem and no high voltage spikes on the switches, which otherwise are inherent for current- and voltage-fed-type bidirectional converters, and is easy to achieve soft switching by proper control and design.
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Abstract: This paper presents a novel topology named forward-flyback bidirectional DC-DC converter (BDC), which is a hybrid of forward and flyback converters The windings of forward and flyback transformers are connected in series on the primary side and in parallel on the secondary side The proposed converter has no startup problem and no high voltage spikes on the switches, which otherwise are inherent for current- and voltage-fed-type bidirectional converters It is easy to achieve soft switching by proper control and design The built-in flyback transformer acts as a filter inductor, so the current ripple is smaller than flyback BDCs In this paper, the operation principles and characteristics of the proposed topology are analyzed in detail The advantages aforementioned are verified with experimental results of a 300-W prototype
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Citations
Effect of Metal Oxide Semiconductor Field-Effect Transistor Output Parasitic Capacitance on Efficiency in Full-Bridge LLC DC/DC Converters
Ming-Hung Chen,Chia‐Wen Hsieh +1 more
TL;DR: The output parasitic capacitance of a MOSFET in a full-bridge LLC DC/DC converter affects its efficiency. The study analyzed the impact of Coss on switching and conduction loss, and found that increasing Coss improves efficiency.
Design Methodology of Bidirectional LLC Resonant Converter
Cheol-Hee Jo,Guangyao Li,Junhao Xie,Jung-Hoon Ahn,Donghee Kim +4 more
- 25 Feb 2024
TL;DR: Design methodology of bidirectional LLC resonant converter achieves consistent voltage gain curve in both forward and backward modes.
Reverse power transmission of two-transformer active clamp forward flyback converter
Hanhim Sung,Jae Wook Shin,Wonhee Kim +2 more
A Novel Wide-Input-Range Quasi-Resonant Forward-Flyback DC/DC Converter
Zihe Li,Zhenyu Zhao,Xinyu Gao,Guojun Dong,Xuejian Wang +4 more
- 01 Jan 2024
TL;DR: A novel wide-input-range quasi-resonant forward-flyback DC/DC converter featuring wide input range and high efficiency is presented. The converter utilizes a shared primary winding and achieves fully-resonant operation through a PWM-COT hybrid control strategy.
Design and simulation of DC distributed power supply with power balance control technique
Uthen Kamnarn,Jedsada Yodwong,Pratch Piyawongwisal,Pakawadee Wutthiwai,Anon Namin,Phatiphat Thounthong,Noureddine Takorabet +6 more
TL;DR: In this article , the authors presented the analysis, design and simulation of DC distributed power supply controlled with power and energy balance control technique, which consists of 5 connection structures of DC to DC converters which are parallel, cascade, source splitting, load splitting, and stack.
References
Transformer-Coupled Multiport ZVS Bidirectional DC–DC Converter With Wide Input Range
TL;DR: In this article, a duty ratio control method is proposed to extend the ZVS operating range when input voltages vary widely, and the three-port dc-dc converters are implemented and tested for a fuel cell and supercapacitor system.
A Maximum Power Point Tracking System With Parallel Connection for PV Stand-Alone Applications
TL;DR: This paper presents the analysis, design, and implementation of a parallel connected maximum power point tracking (MPPT) system for stand-alone photovoltaic power generation and presents the functions of battery charger and step-up converter.
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Manu Jain,M. Daniele,Praveen Jain +2 more
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TL;DR: In this paper, the authors proposed a bidirectional DC-DC converter for low power applications based on a half-bridge on the primary and a current-fed push-pull on the secondary side of a high frequency isolation transformer.
A ZVS Bidirectional DC–DC Converter With Phase-Shift Plus PWM Control Scheme
Huafeng Xiao,Shaojun Xie +1 more
TL;DR: In this article, a phase shift plus pulsewidth modulation (PSP) control ZVS bidirectional dc-dc converter is proposed to solve the problem of high voltage spike and high circulating conduction loss.
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Line-Interactive UPS Using a Fuel Cell as the Primary Source
TL;DR: It is shown that a supercapacitor can serve as both an active and a reactive energy storage and can buffer the periodical low-frequency ripple in the requested power.
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