Proceedings ArticleDOI
High gain hybrid DC-DC converter
Abhishek Srivastava,M. Prabhakar +1 more
- pp 218-222
TLDR
In this paper, a single switch high gain DC-DC converter which is a combination of coupled inductor and voltage multiplier cells (VMCs) is proposed to achieve high step up gain by using appropriate duty cycle and the turns ratio of the coupled inductors.Abstract:
The output voltage from renewable energy sources like photovoltaic cell or array will be at low level. This must be stepped up by an order of around 20 for practical applications or grid connection. Series connection of arrays is not a viable solution. The proposed DC-DC converter topology consists of a novel single switch high gain DC-DC converter which will be a combination of coupled inductor and voltage multiplier cells (VMCs). The approach is to achieve high step up gain by using appropriate duty cycle and the turns ratio of the coupled inductor. This is done by charging the two capacitors in parallel and discharging them in series via a coupled inductor. The voltage multiplier cell operates as regenerative circuit reducing the problems with layout. These characteristics allow the operation with high efficiency and high static gain.read more
Citations
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Book ChapterDOI
High Gain DC-DC Converter for Modular Multilevel Converter Applications
TL;DR: In this article, a high gain DC-DC converter for low voltage solar PV system for highvoltage applications which can be used as a DC link voltage of modular multilevel converter (MMC) is presented.
Proceedings ArticleDOI
Design and simulation of front end converter for fuel cell based electric vehicle applications
TL;DR: The three level hybrid boost dc-dc converter is put forward, which can step-up the fuel cell output voltage with high voltage gain and is based on the traditional neutral clamped multi level inverter.
Proceedings ArticleDOI
Hybrid DC-DC Converter for DC Microgrid Applications
TL;DR: In this paper , a hybrid converter for micro-grid application is proposed, which consists of a solar PV as a DC source, and a storage battery to power a local DC load.
Proceedings ArticleDOI
Hybrid DC-DC Converter for DC Microgrid Applications
TL;DR: In this paper , a hybrid converter for micro-grid application is proposed, which consists of a solar PV as a DC source, and a storage battery to power a local DC load.
References
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Active voltage clamp in flyback converters operating in CCM mode under wide load variation
TL;DR: Experimental results highlight the effectiveness of the proposed topology under wide load changes, establishing it as an appropriate solution in order to develop flyback converters, even at the power range of 500 W.
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High-Efficiency Power Conversion System for Kilowatt-Level Stand-Alone Generation Unit With Low Input Voltage
TL;DR: This paper mainly focuses on the development of a high-efficiency power conversion system for kilowatt-level stand-alone generation units with a low output voltage, such as photovoltaic modules, fuel cells, and small-scale wind generators, which aims at having the same output ac voltage as the utility power for the utilization of a stand- Alone power supply.
Journal ArticleDOI
High-efficiency power conversion for low power fuel cell generation system
Rong-Jong Wai,Rou-Yong Duan +1 more
TL;DR: In this paper, a new topology for a fuel cell energy source conversion in order to supply a highly reliable utility power is presented, where a high step-up dc-dc converter is utilized for boosting the fuel cell voltage up to a constant dc-bus voltage for the utilization of later inverter.
Journal ArticleDOI
A Novel ZCS-PWM Flyback Converter With a Simple ZCS-PWM Commutation Cell
TL;DR: The principle of operation, theoretical analysis, and experimental results of the new ZCS-PWM flyback converter, rated 150 W and operating at 80 kHz, are provided in this paper to verify the performance of the proposed converter.
Journal ArticleDOI
High-efficiency Voltage-clamped DC-DC converter with reduced reverse-recovery current and switch-Voltage stress
TL;DR: The proposed converter topology has a favorable voltage-clamped effect and superior conversion efficiency and the closed-loop control methodology is utilized in the proposed scheme to overcome the voltage-drift problem of power source under the variation of loads.