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Trends and Prospects in Analysis and Control of Power Electronics

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A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F3: Power Electronics".

Deadline for manuscript submissions: closed (31 January 2023) | Viewed by 6453

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Special Issue Editor

Dr. Faqiang Wang

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Guest Editor

State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Interests: modeling, analysis and control of power electronics; grid connection technology of new energy power generation; microgrid and distributed energy technology; bifurcation and chaos in electrical and electronic engineering
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Special Issue Information

Dear Colleagues,

Due to rapid industrial technology innovation and the increasingly severe challenges of new energies, the fields of information technology, electric vehicles and new energy power generation have become global hot spots. Their efficient and stable operation is inseparable from high-quality and reliable power electronic equipment. Thus, topologies, modeling, analysis, and control of power electronics are key for power supply systems. In particular, the emergence of new control methods, such as fractional-order control, predictive control, etc., and new circuit elements, including fractional-order inductor, fractional-order capacitor, memristor, meminductor, memcapacitor, etc., brings new opportunities and challenges to the forefront of analysis, control, and design of power electronics to meet the requirements for system efficiency, power supply stability, and power density in actual industrial applications.

This Special Issue aims to gather research on novel power electronic converters, novel control methods for power electronic systems, analysis of bifurcation and chaos in the power electronic systems, as well as the applications of new circuit elements for power electronic systems. Stability and dynamic characteristics of power electronic systems are also required.

Prospective authors are invited to submit original contributions, survey papers, or tutorials for publication in this Special Issue. Topics of interest include but are not limited to:

Topology of power electronic converter;
Modeling and analysis of power electronics;
Bifurcation and chaos in power electronics;
Control methods for power electronics;
Fractional-order power electronics;
Fractional-order control and its application in power electronics;
Power electronics with memristor, meminductor, or memcapacitor.

Dr. Faqiang Wang
Guest Editor

Manuscript Submission Information

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Keywords

Topology of power electronic converter
Modeling and analysis of power electronics
Bifurcation and chaos in power electronics
Control methods for power electronics
Fractional-order power electronics
Fractional-order control and its application in power electronics
Power electronics with memristor, meminductor, or memcapacitor

Published Papers (4 papers)

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Research

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34 pages, 8612 KiB

Open AccessArticle

Design of a 2DOF-PID Control Scheme for Frequency/Power Regulation in a Two-Area Power System Using Dragonfly Algorithm with Integral-Based Weighted Goal Objective

by Alaa M. Abdel-hamed, Almoataz Y. Abdelaziz and Adel El-Shahat

Energies 2023, 16(1), 486; https://0-doi-org.brum.beds.ac.uk/10.3390/en16010486 - 02 Jan 2023

Cited by 6 | Viewed by 1305

Abstract

The increase in power demand, nonlinearity, complexity, varying structure, and other important causes has necessitated the implementation of artificial intelligent control methodologies for safe and acceptable operation of the electric power systems. Therefore, in this article, an improved two-degrees-of-freedom (2DOF-PID) control scheme is proposed for power/frequency control of a two-area interconnected electric power system. The parameters of the 2-DOF-PID control scheme are optimized using the Dragonfly Algorithm (DA) via a new integral-based weighted goal fitness function (IB-WGFF) (i.e., DF-2DOF-PID-IB-WGFF). The superiority of the suggested scheme is proved by comparing the results obtained using the proposed IB-WGFF with those obtained using the conventional controllers, and the 2DOF-PID controllers optimized using the DA and Genetic Algorithm (GA) via the frequently published performance criterion. To verify the stability, efficacy, and robustness of the proposed control scheme, a load disturbances and parameters perturbations with various percentages are implemented in the controlled system under the same controllers. Finally, verification results proved that the proposed 2DOF-PID optimized using DA via the IB-WGFF is more stable, efficient, and robust than the other controllers recently used in the literature. Full article

(This article belongs to the Special Issue Trends and Prospects in Analysis and Control of Power Electronics)

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15 pages, 2110 KiB

Open AccessArticle

Modeling of Memristors under Periodic Signals of Different Parameters

by Bartłomiej Garda

Energies 2021, 14(21), 7264; https://0-doi-org.brum.beds.ac.uk/10.3390/en14217264 - 03 Nov 2021

Cited by 4 | Viewed by 1388

Abstract

In this paper, the problem of modeling memristors is studied. Two types of memristors with carbon and tungsten doping fabricated by the Knowm Inc. are tested. The memristors have been examined with either sinusoidal or triangle voltage wave periodic excitation. Some different frequencies, amplitudes and signal shapes have been applied. The collected data have been averaged and subjected to high frequency filtering. The quality of measurement data has also been discussed. The averaged measurement has been modeled using three popular memristor models: Strukov, Biolek and VTEAM. Some additional feathers to the considered models have been proposed and tested. Memristor is usually modeled by a set of algebraic-differential equations which link both electrical values (i.e., voltage and current) and the internal variable(s) responsible for the element dynamics. The interior-point with box constrains optimization method has been used to obtain the optimal parameters of the memristor model that fit best to the collected data. The results of the optimization process have been discussed and compared. The sensitivity to the different frequency range has been also examined and reviewed. Some conclusions and future work ideas have been postulated. Full article

(This article belongs to the Special Issue Trends and Prospects in Analysis and Control of Power Electronics)

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Review

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25 pages, 2271 KiB

Open AccessReview

An Overview of Complex Instability Behaviors Induced by Nonlinearity of Power Electronic Systems with Memristive Load

by Hongbo Cao and Faqiang Wang

Energies 2023, 16(6), 2528; https://0-doi-org.brum.beds.ac.uk/10.3390/en16062528 - 07 Mar 2023

Cited by 1 | Viewed by 1282

Abstract

The proposal of the memristor, considered as the fourth basic circuit element, suggests a new possibility for the design of high-performance power electronic systems. However, it also brings new challenges. At present, more and more electrical equipment and systems have demonstrated that their external characteristics can exhibit “8”-shaped hysteresis loops and can be regard as memristive equipment and systems. In order to satisfy the requirements of controllability, flexibility, efficiently, and so on, most memristive equipment and systems are not directly connected to the power grid but instead obtain their own required powering through various forms of power electronic converters. Note that memristive loads are distinctive and demonstrate unique nonlinear behaviors. Similarly, there can be nonlinearity from the resistor (R), inductor (L), or capacitor (C) load, but there is no combination of only R, L, and C that could produce memristive characteristics. In particular, the memristance of memristive devices changes continuously during the operation process; in addition, practical power electronic systems composed of memristive devices and power supplies have strong nonlinear characteristics, which are more likely to result in various complex behaviors and are not conducive to the stable operation of the systems. Therefore, exploring complex instability behaviors of power electronic systems with strong nonlinearity in depth is necessary for better protection and utilization of memristive devices. This paper provides an outline of the status of research on complex behaviors of power electronic systems with memristive load; it is expected to provide guidance for the study of complex behavior of strongly nonlinear systems. Full article

(This article belongs to the Special Issue Trends and Prospects in Analysis and Control of Power Electronics)

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24 pages, 4161 KiB

Open AccessReview

Review of Voltage-Bucking/Boosting Techniques, Topologies, and Applications

by Feilong Yi and Faqiang Wang

Energies 2023, 16(2), 842; https://0-doi-org.brum.beds.ac.uk/10.3390/en16020842 - 11 Jan 2023

Cited by 3 | Viewed by 1862

Abstract

As non-isolated step-up and step-down DC–DC converters are at present widely used in various fields, this review will summarize and introduce non-isolated step-up and step-down DC–DC converters in various aspects. First of all, the origin and development of power electronics technology and the generation and principle of certain basic non-isolated step-up and step-down DC–DC converters are briefly stated. Subsequently, according to their different characteristics, including whether they are unidirectional or bidirectional, voltage-fed or current-fed, or hard-switching or soft-switching, the review will classify them and analyze their advantages and disadvantages. Meanwhile, in order to change the voltage gains of the DC–DC converters, different voltage change techniques are applied to them. The review will elaborate on the four technologies (switched capacitors, voltage multipliers, switched inductors and different ways of connecting), providing examples and analyzing the topologies in which they are applied, before summarizing the advantages and disadvantages of these techniques. Finally, this review will describe the specific applications of non-isolated step-up and step-down DC–DC converters and the reasons behind their ubiquity and popularity. Although the performances of current DC–DC converter topologies are good, there continues to be increasing demand, an updating of the topology structure, and improvements in terms of their performance. In the future, DC–DC converters will play a more important role in industrial production and people’s lives. Full article

(This article belongs to the Special Issue Trends and Prospects in Analysis and Control of Power Electronics)

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