Journal ArticleDOI
Modeling and Analysis of Transformerless High Gain Buck-boost DC-DC Converters
Vu Tran,Mufeed Mahd +1 more
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TLDR
In this paper, a transfomerless switched capacitor buck boost converter model was proposed, which provides higher voltage gain and higher efficiency when compared to the conventional buck-boost converter, and the averaged model based on state-space description is analyzed in the paper.Abstract:
This paper proposes a transfomerless switched capacitor buck boost converter model, which provides higher voltage gain and higher efficiency when compared to the conventional buck boost converter. The averaged model based on state-space description is analyzed in the paper. The simulation results are presented to confirm the capability of the converter to generate high voltage ratios. The comparison between the proposed model and the traditional model is also provided to reveal the improvement. The proposed converter is suitable for for a wide application which requires high step-up DC-DC converters such as DC micro-grids and solar electrical energy.read more
Citations
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Journal ArticleDOI
Comparison of PI and PID Controlled Bidirectional DC-DC Converter Systems
K.C. Ramya,V. Jegathesan +1 more
TL;DR: Comparison of responses of the PI and the PID controlled bidirectional DC-DC converter systems is made in terms of rise time, fall time, peak overshoot and steady state error.
Journal ArticleDOI
An Efficient High Gain DC-DC Converter for Automotive Applications
T M Aiswarya,M. Prabhakar +1 more
TL;DR: Results obtained from the prototype hardware prove that the converter meets the requirements of HID lamp application and can be a very good alternative to existing converters.
Proceedings ArticleDOI
Analysis and control design of transformerless high gain, high efficient buck-boost DC-DC converters
TL;DR: In this article, the authors developed a systematic state-space approach to modeling of an improved buck-boost DC-DC converters and analyzed the averaged model of the converters, based on which a control law was designed to keep the output voltage stable when the input is unstable.
Journal ArticleDOI
Soft Switched Multi-Output Flyback Converter with Voltage Doubler
TL;DR: A novel multi-output voltage doubler circuit with resonant switching technique is proposed, which removes the need for mutiple SMPS units for a particular application and reduces the size and weight of the converters considerably leading to a greater payload.
Proceedings ArticleDOI
Conventional and switched inductor buck boost converter circuit for solar power system: Simulation, comparison and results
TL;DR: In this article, the authors proposed a switched inductor buck boost converter model having tow inductors and three diodes, which provides higher voltage gain without affecting the efficiency when compared to the conventional buck-boost converter.
References
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Journal ArticleDOI
Cascaded DC-DC converter connection of photovoltaic modules
Geoffrey R. Walker,Paul Sernia +1 more
TL;DR: In this paper, the authors proposed an alternative topology of nonisolated per-panel dc-dc converters connected in series to create a high voltage string connected to a simplified dc-ac inverter.
Journal ArticleDOI
High step-up converter with coupled-inductor
Rong-Jong Wai,Rou-Yong Duan +1 more
TL;DR: In this article, a high step-up converter with a coupled-inductive switch is investigated, where a passive regenerative snubber is utilized for absorbing the energy of stray inductance so that the switch duty cycle can be operated under a wide range, and the related voltage gain is higher than other coupled inductor-based converters.
Journal ArticleDOI
Novel high-efficiency step-up converter
K. C. Tseng,Tsorng-Juu Liang +1 more
TL;DR: In this paper, a high-efficiency high step-up converter with low voltage stress on power switch, power diodes and output capacitors is proposed, which consists of an energy clamp circuit and a voltage boost cell.
Journal ArticleDOI
A Cascaded High Step-Up DC–DC Converter With Single Switch for Microsource Applications
TL;DR: In this article, the authors proposed a new high step-up dc-dc converter designed especially for regulating the dc interface between various microsources and a dc-ac inverter to electricity grid.
Proceedings ArticleDOI
Cascaded DC-DC converter connection of photovoltaic modules
Geoffrey R. Walker,Paul Sernia +1 more
TL;DR: In this article, the authors show that a "converter-per-module" approach offers many advantages including individual module maximum power point tracking, which gives great flexibility in module layout, replacement, and insensitivity to shading; better protection of PV sources, and redundancy in the case of source or converter failure.