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Energies
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Boost Converters: Design and Applications
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Boost Converters: Design and Applications

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F: Electrical Engineering".

Deadline for manuscript submissions: closed (31 July 2021) | Viewed by 12705

Special Issue Editors

Prof. Dr. Ausias Garrigós

E-Mail Website
Guest Editor
Industrial Electronics research group, Miguel Hernandez University of Elche, 03202 Elche, Spain
Interests: power electronics; industrial electronics; electrical engineering
Prof. Dr. Jose M. Blanes

E-Mail Website
Guest Editor
Industrial Electronics research group, Miguel Hernandez University of Elche, 03202 Elche, Spain
Interests: power electronics; industrial electronics; photovoltaic modeling
Prof. Dr. Roberto Gutiérrez

E-Mail Website
Guest Editor
Industrial Electronics research group, Miguel Hernandez University of Elche, 03202 Elche, Spain
Interests: VLSI design; FPGA-based systems; computer arithmetic

Special Issue Information

Dear Colleagues,

DC–DC boost converters have been widely employed in many power conversion applications, covering a wide range of power and voltage. Some key features of this type of converters include modular power conversion, high gain step-up, isolation, soft-switching, minimum-phase response, bidirectional power flow capability or reliability. The continuous effort of both academia and the industry to increase energy efficiency, power density, higher voltage step-up ratio, and reliability has led to continuous developments. Research on this topic is still attractive to the scientific community.

The topics of interest include but are not limited to:

  • Modular and multilevel boost converters;
  • Very high voltage gain boost converters;
  • Multi-port boost converters;
  • High-frequency boost converters;
  • High power density boost converters;
  • Soft-switched boost converters;
  • Bidirectional boost converters;
  • Digital control of boost converters;
  • Real-time modeling and simulation techniques for boost converters;
  • Fault tolerant and reliability-oriented design of boost converters;
  • Boost converters based on wide bandgap devices;
  • Boost converter applications: Industrial, renewable energies, transportation, telecom, aerospace, medical, energy harvesting, LED lighting, etc.
Prof. Dr. Ausias Garrigós
Prof. Dr. Jose M. Blanes
Prof. Dr. Roberto Gutiérrez
Guest Editors

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Keywords

  • DC–DC converters
  • boost converters
  • digital control and modeling
  • power electronics reliability
  • applications

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Published Papers (4 papers)

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Research

22 pages, 6022 KiB  
Article
A Novel Single-Inductor Bipolar-Output DC/DC Boost Converter for OLED Microdisplays
by Ingrid Casallas, Robert Urbina, Carlos-Ivan Paez-Rueda, Carlos Adrián Correa-Flórez, José Vuelvas, Manuel Parraga, Abdel-Karim Hay, Arturo Fajardo and Gabriel Perilla
Energies 2021, 14(19), 6220; https://doi.org/10.3390/en14196220 - 29 Sep 2021
Cited by 3 | Viewed by 3411
Abstract
In this paper, a novel SIBO (Single-Inductor Bipolar-Output) DC/DC Boost converter is proposed to power OLED (Organic Light-Emitting Diode) microdisplays. The proposed topology merges a conventional SISO (Single-Inductor Single-Output) DC/DC Boost converter and a switched capacitor inverter to produce a SIBO converter without [...] Read more.
In this paper, a novel SIBO (Single-Inductor Bipolar-Output) DC/DC Boost converter is proposed to power OLED (Organic Light-Emitting Diode) microdisplays. The proposed topology merges a conventional SISO (Single-Inductor Single-Output) DC/DC Boost converter and a switched capacitor inverter to produce a SIBO converter without both the cross-regulation effect and the unbalanced output voltages. Moreover, its control circuit and efficiency are almost the same as the conventional SISO Boost converter. Therefore, the novel converter maintains the power density, the small form factor, and the high efficiency of its conventional counterpart. The proposed converter was analyzed under continuous-conduction mode operation using the moving average operator and charge conservation principle. As a result, the authors proposed an equation set with the main averages and ripples of the circuit variables expressed as analytical functions of the circuit components, the input voltage, and the duty cycle. Both the functionality of the proposed converter and the accuracy of the developed equation set were analyzed by extensive simulations. The simulation performed using ideal components was characterized by a mean absolute percentage error of 0.774% with a standard deviation of 1.566%. These results confirm the high accuracy of the proposed equation set. Furthermore, the non-ideal model simulation confirms the functionality of the proposed converter in “real” operation conditions. Under simulation with non-ideal components, the result statistics were a mean absolute percentage error of 7.36% with a standard deviation of 6.91%. Therefore, the converter design using the proposed ideal model could be a good start point of a converter optimization process based on more complex component models and assisted by computer-aided design tools. Full article
(This article belongs to the Special Issue Boost Converters: Design and Applications)
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11 pages, 3934 KiB  
Article
Interleaved, Switched Inductor and High-Gain Wide Bandgap Based Boost Converter Proposal
by David Marroqui, Ausias Garrigós, Cristian Torres, Carlos Orts, Jose M. Blanes and Roberto Gutierrez
Energies 2021, 14(4), 800; https://doi.org/10.3390/en14040800 - 3 Feb 2021
Cited by 8 | Viewed by 2281
Abstract
Many applications (electric vehicles, renewable energies, low-voltage DC grids) require simple, high-power density and low-current ripple-boost converters. Traditional step-up converters are limited when large transformation ratios are involved. In this work is proposed a step-up converter that brings together the characteristics of high [...] Read more.
Many applications (electric vehicles, renewable energies, low-voltage DC grids) require simple, high-power density and low-current ripple-boost converters. Traditional step-up converters are limited when large transformation ratios are involved. In this work is proposed a step-up converter that brings together the characteristics of high gain, low ripple, and high-power density. From the converter proposal, a mathematical analysis of its operation is first performed, including its static transfer function, stress of components, and voltage and current ripples. Furthermore, it provides a design example for an application of Vin = 48 V to Vo = 270 V and 500 W. For its implementation, two different wide bandgap (WBG) semiconductor models have been used, hybrid GaN cascodes and SiC MOSFETs. Finally, the experimental results of the produced prototypes are shown, and the results are discussed. Full article
(This article belongs to the Special Issue Boost Converters: Design and Applications)
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14 pages, 5479 KiB  
Article
A Family of High Step-Up Quasi Z-Source Inverters with Coupled Inductor
by Yu Tang, Hao Sun and Shaoheng Wang
Energies 2020, 13(21), 5667; https://doi.org/10.3390/en13215667 - 29 Oct 2020
Cited by 2 | Viewed by 2351
Abstract
With the continuous development of new energy, there is more and more research on step-up inverters in photovoltaic and wind power generation systems. The Z-source inverter has become a research hotspot because of its small output THD (Total Harmonic Distortion) and high reliability. [...] Read more.
With the continuous development of new energy, there is more and more research on step-up inverters in photovoltaic and wind power generation systems. The Z-source inverter has become a research hotspot because of its small output THD (Total Harmonic Distortion) and high reliability. However, the traditional Z-source inverters cannot meet the higher boost requirements of new energy power generation. The quasi-z-source inverter with stronger boosting ability came into being. The high step-up Z-source inverters presented in existing literature is only focused on one or several topologies and lacks a comparative analysis on different topologies. Based on the quasi-Z-source inverter, this paper proposes a family of quasi-z-source inverters with a coupled inductor. The required voltage gain can be obtained by changing the turns ratio of the coupled inductor, which provides a new control variable for the system and makes the design of the system becomes more flexible. Through the analysis and comparison of each topology in terms of boost capacity, voltage stress, coupled inductor volume, circuit efficiency, and input ripple, the characteristics of each topology are summarized. The representative topology was simulated and analyzed, and a 1 kVA prototype was developed in the laboratory to verify the correctness of the theoretical analysis. Full article
(This article belongs to the Special Issue Boost Converters: Design and Applications)
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13 pages, 8560 KiB  
Article
Discrete Sliding Mode Control Strategy for Start-Up and Steady-State of Boost Converter
by Tao Yang and Yong Liao
Energies 2019, 12(15), 2990; https://doi.org/10.3390/en12152990 - 2 Aug 2019
Cited by 7 | Viewed by 3376
Abstract
Since the zero initial conditions of the boost converter are far from the target equilibrium point, the overshoot of the input current and the output voltage will cause energy loss during the start-up process when the converter adopts the commonly used small-signal model [...] Read more.
Since the zero initial conditions of the boost converter are far from the target equilibrium point, the overshoot of the input current and the output voltage will cause energy loss during the start-up process when the converter adopts the commonly used small-signal model design control method. This paper presents a sliding mode control strategy that combines two switching surfaces. One switching surface based on the large-signal model is employed for the start-up to minimize inrush current and voltage overshoot. The stability of this strategy is verified by Lyapunov theory and simulation. Once the converter reaches the steady-state, the other switching surface with PI compensation of voltage error is employed to improve the robustness. The latter switching surface, which is adopted to regulate the voltage, can not only suppress the perturbation of input voltage and load, but also achieve a better dynamic process and a zero steady-state error. Furthermore, the discrete sliding mode controller is implemented by digital signal processor (DSP). Finally, the results of simulation, experiment and theoretical analysis are consistent. Full article
(This article belongs to the Special Issue Boost Converters: Design and Applications)
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