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Literature Survey of Interleaved DC-DC Step-Down Converters for Proton Exchange Membrane Electrolyzer Applications
2019
Transactions on Environment and Electrical Engineering
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The electrolyzers must be supplied with a very low DC voltage in order to produce hydrogen from the deionized water. For this reason, DC-DC step-down converters are generally used. ...
Hence, the main goal of this paper is to carry out a thorough state-of-the-art of different interleaved step-down DC-DC topologies featuring a high voltage gain, needed for PEM electrolyzer applications ...
Generally, step-down DC/DC converters are used to supply PEM ELs; whereas for fuel cell applications, step-up converters are preferred. ...
doi:10.22149/teee.v3i1.129
fatcat:pspwswswnbh23canbt6pnlnnaa
Review of DC-DC Converter Topologies Based on Impedance Network with Wide Input Voltage Range and High Gain for Fuel Cell Vehicles
2021
Automotive Innovation
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DC-DC boost converters with wide input voltage ranges and high gains are essential to fuel cells and DC buses in the powertrains of FCVs, helping to improve the low voltage of fuel cells and "soft" output ...
Aiming to obtain the optimal design of wide input range and high-gain DC-DC boost converter topologies for FCVs, a review of the research status of DC-DC boost converters based on an impedance network ...
Therefore, to extend the lives of FCs, DC-DC boost converters require low input current ripples (ICRs). ...
doi:10.1007/s42154-021-00163-z
fatcat:gftq57cakve2xik2rwz2pgppyi
Optimal interface based on power electronics in distributed generation systems for fuel cells
2011
Renewable Energy
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The applications of the developed hybrid system extend from Auxiliary Power Units (APU) in vehicles (cars, buses or trains) to Uninterruptible Power Systems (UPS) in hospitals, nursing homes, hotels, office ...
A hybrid system comprising a fuel cell stack and a battery bank was developed, built and tested in this research work. This hybrid system was built to supply both DC and AC outputs. ...
DC/DC Boost converter A DC/DC step-up converter is required to connect the unregulated DC output of the fuel cell module to a low voltage 48 V-DC Bus (see Figs. 1 and 3) . ...
doi:10.1016/j.renene.2011.04.005
fatcat:dpieqehodnd5xi6nua66hfw4g4
Closed Loop Contol of ZCS Interleaved High Step Up Converter for Sustainable Energy Applications
2016
International Journal of Science and Research (IJSR)
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To study the performance of the high step up Interleaved DC-DC converter with closed loop control, simulations has been carried out in MATLAB2013 environment. ...
The narrow turn off period of the conventional interleaved boost converter limits its application for high step-up applications. ...
high-step-up and high-output voltage conversion systems. [2] uses an isolated dc-dc converter for high step up ratio applications. ...
doi:10.21275/v5i1.nov152872
fatcat:joq44eqbsnchvblixikackm6ze
A new transformer‐less step‐up DC–DC converter with high voltage gain and reduced voltage stress on switched‐capacitors and power switches for renewable energy source applications
2021
IET Power Electronics
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In many modern applications such as renewable energy sources (RESs), DC-DC step-up converters can be used to regulate the input variable and/or low voltage to achieve the desired characteristics such as ...
This article proposes a new transformer-less step-up DC-DC converter which, compared to previously presented converter topologies in the same class, can provide a higher variable voltage conversion ratio ...
In [30] , a step-up/down DC-DC converter is designed and introduced based on SC cells to increase the low voltage of RES to a relatively high bus voltage. ...
doi:10.1049/pel2.12106
fatcat:qwiqeaddpvee5imh3rvfuldv7m
An improved closed loop hybrid phase shift controller for dual active bridge converter
2020
International Journal of Electrical and Computer Engineering (IJECE)
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By using 1D look up table the proposed DAB converter provides constant 400V for any given input voltage. ...
In this paper, a new closed loop hybrid phase shift control is proposed for dual active bridge (DAB) converter with variable input voltage. ...
Sort of an electrical device, it will be accustomed step down or step up a DC voltage supply. ...
doi:10.11591/ijece.v10i2.pp1169-1178
fatcat:azgiswyctzfvdcpf2joa5r2ura
Modeling and Control of Hybrid Power Sourced High Gain DC-DC Converter
2021
Journal of Engineering Science and Technology Review
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Therefore, high gain step-up converters are required to get the desired dc voltage levels. This paper emphasizes the performance of a hybrid power sourced step-up converter. ...
The high gain converter dynamics are interpreted with the voltage-mode control (VMC) and averagecurrent mode control (ACMC) approaches. ...
Hence, these two cases necessitate an attractive high gain step-up converter for producing the desired dc link voltage for the DC-AC converter. ...
doi:10.25103/jestr.141.14
fatcat:2lnuccr5nndszjs6ccagm3773u
Comparative analysis of high voltage gain DC-DC converter topologies for photovoltaic systems
2019
Renewable Energy
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In addition, to attain high voltage gain, a classification of non-isolated converters based on extendable and non-extendable design has been presented. ...
Here, the major focus remains on transformer-less (TL) DC-DC converters, based on the conventional basic boost converter. ...
DC-DC high step-up converter [89] , (b) High step up SL-based boost converter [90] . ...
doi:10.1016/j.renene.2018.09.089
fatcat:v6z5yrohgfferpay44xruakkhq
Analysis and Design of Hybrid CCM Boost DC-DC Converter for High Voltage Gain
2019
International Journal of Darshan Institute on Engineering Research & Emerging Technology
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These applications demand high step-up voltage gain, efficiency and reduced switching losses. Some classical converter with magnetic coupling can easily achieve high step-up voltage gain. ...
The proposed hybrid converter is used to avoid the extreme duty ratios, high voltage stress, and large switching losses. ...
The step-up function, the demands such as low current ripple, high efficiency, fast dynamics and high power density have also increased for various applications. ...
doi:10.32692/ijdi-eret/7.2.2018.1804
fatcat:7xtztx2t5jchnp5qazdwbp3coq
New transformer‐less DC–DC converter topologies with reduced voltage stress on capacitors and increased voltage conversion ratio
2021
IET Power Electronics
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This article proposes new transformer-less step-up/down and step-up DC-DC topologies providing numerous merits such as less voltage stress on capacitors, lower duty-cycle, and higher voltage conversion ...
ratio compared to other DC-DC converters. ...
A new type of step-up/down DC-DC converters is introduced in [17] [18] [19] that can provide high voltage gains by low duty-cycles. ...
doi:10.1049/pel2.12105
fatcat:6tytzib5mzb2relcsew5zy7yty
A double input-parallel-output-series hybrid switched-capacitor boost converter
2020
Chinese Journal of Electrical Engineering
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With the proposed DIPOS-HSCB converter, a high voltage-gain with low component stress and small input current ripple are achieved. ...
A double input-parallel-output-series hybrid switched-capacitor boost (DIPOS-HSCB) converter is proposed which consists of two different kinds of input-parallel-output-series (IPOS) circuits, i.e., inner ...
In these systems, a multilevel step-up DC-DC converter can be employed to regulate a varying low-level input voltage to a stable high-level voltage and to provide a required DC link voltage for the backend ...
doi:10.23919/cjee.2020.000027
fatcat:cgrgq25qlncbvd5gwyzrvrsarq
Survey on Photo-Voltaic Powered Interleaved Converter System
[chapter]
2020
Advanced Statistical Modeling, Forecasting, and Fault Detection in Renewable Energy Systems
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due to ripples in the converter, time dependent and, above all, high capitation cost. ...
Though, there are overwhelming advantages in solar energy, It has few drawbacks as well such as its low conversion ratio, inconsistent supply of energy due to variation in the sun light, less efficiency ...
Li and He [72] reviewed on challenges based on high step up, low cost, high efficiency converters are summarized. ...
doi:10.5772/intechopen.90111
fatcat:yv2zimxnajclxofchufhytm3xy
Session 11 Overview: DC-DC Converters: Power Management Subcommittee
2020
2020 IEEE International Solid- State Circuits Conference - (ISSCC)
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In Paper 11.1, the University of Texas at Dallas and Texas Instruments present a tri-state double step-down converter to achieve direct 12V/24V-to-1V conversion with 91.2% peak efficiency and 3W peak power ...
In Paper 11.8, KAIST and Samsung Electronics present a step-up/down converter powering disposable IoTs with up to 3 reconfigurable alkaline battery cells, which enables its input/output currents to be ...
DC-DC converters are essential for high-efficiency and high-power-density energy conversion. ...
doi:10.1109/isscc19947.2020.9062963
fatcat:bnhznl7jpnhybmzwaf5in6ct6i
Closed loop contol of ZCS interleaved high step up converter for sustainable energy applications
2016
2016 International Conference on Electrical, Electronics, and Optimization Techniques (ICEEOT)
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To study the performance of the high step up Interleaved DC-DC converter with closed loop control, simulations has been carried out in MATLAB2013 environment. ...
The narrow turn off period of the conventional interleaved boost converter limits its application for high step-up applications. ...
high-step-up and high-output voltage conversion systems. [2] uses an isolated dc-dc converter for high step up ratio applications. ...
doi:10.1109/iceeot.2016.7754834
fatcat:ljbdqnajy5amnl4z2mdtcvzglu
Bidirectional dc to dc Converters: An Overview of Various Topologies, Switching Schemes and Control Techniques
2018
International Journal of Engineering & Technology
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Therefore, the basic knowledge and classification of bidirectional dc to dc converters on the basis of galvanic isolation, the comparison between their voltage conversion ratio and output current ripple ...
Thus, bidirectional dc to dc converters are getting more and more attention in academic research and in industrial applications. ...
Bidirectional dc-dc converters are the device for the purpose of step-up or step-down the voltage level with the capability of flow power in either forward directions or in backward direction. ...
doi:10.14419/ijet.v7i4.5.20107
fatcat:4hmx6k4rwvgqtpthqkybcjdooy
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