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Special Issue "Novel Power Electronics Technologies in Power Systems"

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A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Energy Science and Technology".

Deadline for manuscript submissions: closed (10 October 2021) | Viewed by 10273

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Special Issue Editors

Prof. Dr. Tomonobu Senjyu

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Guest Editor

Department of Electrical and Electronics Engineering, University of the Ryukyus, Nishihara, Okinawa 903-0213, Japan
Interests: high-efficiency energy conversion system; renewable energy in small islands; optimization of power system operation and control
Special Issues, Collections and Topics in MDPI journals

Dr. Shriram Srinivasarangan Rangarajan

E-Mail Website
Guest Editor

1. Department of Electrical and Computer Engineering, Clemson University, Clemson, SC 29634, USA
2. Dayananda Sagar College of Engineering, Bengaluru, Karnataka, India
Interests: power systems; power electronics; smart grid; flexible AC transmission system (FACTS); power system stability; renewable energy system—PV and wind; smart inverters; power quality; distribution systems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The Editor is inviting submissions for a Special Issue of Applied Sciences on the subject area of "Novel Power Electronics Technologies in Power Systems”. The Special Issue will focus on the current and envisioned future roles of power electronic converters in power systems. As the grid is getting smarter, power electronic devices have started to play a vital role in the enhancement of efficiency and reliability of the existing power generation, transmission, distribution, and delivery infrastructure. Some of the prominent applications from power electronic devices in power systems include active filtering, compensation, and power conditioning. With increased penetration of renewable energy resources and storage systems, the application of power electronics in power systems has become more vital. With the advent of smart parks that includes renewable energy and plug-in electric vehicles (PEV)-based distributed resources, the ancillary services provided by such power electronic converters can form one of the major cruxes of the smart grid environment.

This Special Issue will focus on emerging novel applications of power electronic devices for power systems.

Topics of interest for publication include but are not limited to:

Smart inverters in smart grid;
Power electronic converters, HVDC and FACTS;
Flexible AC transmission system (FACTS) devices in distribution systems;
Novel controls of power electronic devices in power systems;
Power electronics applications in distribution systems and microgrid;
Novel renewable energy converter/inverter systems;
New topologies of high voltage inverter/converter in power systems;
New applications of power electronics in power systems;
Power electronics in smart grid;
Power-electronics-based distributed generators.

Prof. Dr. Tomonobu Senjyu
Dr. Shriram Srinivasarangan Rangarajan
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2300 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

Power electronics
Power systems
Smart inverters
Renewable energy
Plug-in electric vehicles
HVDC and FACTS
Smart grid
Ancillary services
Smart Parks

Published Papers (5 papers)

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Research

Open AccessArticle

Online Learning-Based ANN Controller for a Grid-Interactive Solar PV System

Mohammad Mujahid Irfan

Sushama Malaji

Chandarashekhar Patsa

Shriram S. Rangarajan

Randolph E. Collins

and

Tomonobu Senjyu

Appl. Sci. 2021, 11(18), 8712; https://doi.org/10.3390/app11188712 - 18 Sep 2021

Cited by 4 | Viewed by 1299

Abstract

The technology transformation of industry 4.0 comprises computers, power converters such as variable speed devices, and microprocessors, which distract from the quality of power. The integration of distribution-generation technologies, such as solar photovoltaic (PV) and wind systems with source grids, frequently uses power converters, which increases the issues with power quality. DSTATCOM is the FACTS device most proficient in recompensing current-related power quality concerns. A model of DSTATCOM with an ANN controller was developed and implemented using a backpropagation online learning-based algorithm for balanced non-linear loads. This algorithm minimized the mathematical burden and the complications of control. It demonstrated a dynamic role in improving the quality of the power at the grid. The algorithm was implemented in MATLAB using an ANN model controller and the results were validated with an experimental set-up using an FPGA controller. Full article

(This article belongs to the Special Issue Novel Power Electronics Technologies in Power Systems)

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Open AccessArticle

Independent Double-Boost Interleaved Converter with Three-Level Output

Vasile Mihai Suciu

Sorin Ionut Salcu

Alexandru Madalin Pacuraru

Lucian Nicolae Pintilie

Norbert Csaba Szekely

and

Petre Dorel Teodosescu

Appl. Sci. 2021, 11(13), 5993; https://doi.org/10.3390/app11135993 - 28 Jun 2021

Cited by 2 | Viewed by 1518

Abstract

This paper introduces a novel converter topology based on an independent controlled double-boost configuration. The structure was achieved by combining two independent classic boost converters connected in parallel at the input and in series at the output. Through proper control of the two boost converters, an interleaved topology was obtained, which presents a low ripple for the input current. Being connected in series at the output, a three-level structure was attained with twice the voltage gain of classic boost and interleaved topologies. A significant feature of the proposed converter is the possibility of independent operation of the two integrated boost converters, in both symmetrical and asymmetrical modes. This feature may be particularly useful in voltage balancing or interconnection with bipolar DC grids/applications. The operation principle, simulations, mathematical analysis, and laboratory prototype experimental results are presented. Full article

(This article belongs to the Special Issue Novel Power Electronics Technologies in Power Systems)

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Open AccessArticle

A Unified Approach for the Control of Power Electronics Converters. Part I—Stabilization and Regulation

Germain Garcia

and

Oswaldo Lopez Santos

Appl. Sci. 2021, 11(2), 631; https://doi.org/10.3390/app11020631 - 11 Jan 2021

Cited by 3 | Viewed by 1067

Abstract

This work deals with the control of power electronics converters. In that context, the majority of the problems of interest can be translated into two main problems: stabilization control problems and tracking control problems. Numerous methods exist in the literature to propose solutions which are based on several ways of handling them in a more appropriate context: linear, nonlinear, switching, and hybrid control, to cite the most important. In recent years, a considerable effort has been made to derive control design methods taking into account the specificities and properties of the complex behavior of these systems, going beyond the numerous techniques based on approximated models or focused on the specific converter topology under study and, in that way, making a step towards a desirable genericity level. It is the objective of this work to go a step further trying to tackle the control of power converters in a unified way. The idea is to avoid, as much as possible, the use of approximations and exploit all the mathematical properties of the associated switched models. Writing them in a specific way, it is possible to deal with a lot of problems of interest whose solutions are based on assumptions which are the expressions of some kind of practical feasibility, and then closely related to the existence of solutions to the studied problems. In some cases, the resulting controls have an inevitable complexity level which reflects one of the problems under study. For such situations, the implementation issues are important and are not discussed in details in this paper. The proposed methods are illustrated by numerical simulations conducted with the help of PSIM software. This research work is decomposed into two parts, the first one focused on stabilization problems is developed in this paper. The other one concerning the tracking problems will be developed in a future paper. Full article

(This article belongs to the Special Issue Novel Power Electronics Technologies in Power Systems)

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Open AccessArticle

Development of Wireless Power Transmission System for Transfer Cart with Shortened Track

Jae Sik Jin

Sunghun Jung

and

Han Joo Kim

Appl. Sci. 2020, 10(14), 4694; https://doi.org/10.3390/app10144694 - 08 Jul 2020

Viewed by 2824

Abstract

In this study, a wireless power transmission (WPT) system for high power was developed to supply the wirelessly powered transfer cart for a clean environment (such as liquid crystal display (LCD), semiconductor, and flat panel display (FPD) device industries) to improve the cleanliness of related industrial production lines and save energy. The power transmission method of WPT and the core design were optimized, and a shortened track was fabricated to enable WPT via short power lines for diverse applications in a small space-constrained workshop. In realizing the shortened Litz wire system, the amount of heat generated increased due to the increased resistance in the system, and efforts were made to improve the thermal performance. A simple approach was also proposed to estimate the skin depth caused by the skin effects in a cable made up of multiple strands of multiple wires, validated through thermal analysis by using ANSYS software in terms of heat generation by an electric field. Structure designs were implemented to improve the heat transfer performance, and the experimental results of WPT systems at a power level of 21.54 kW demonstrate that the power transfer distance of WPT was above 15 mm with a charging efficiency above 83.24%. Full article

(This article belongs to the Special Issue Novel Power Electronics Technologies in Power Systems)

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Open AccessArticle

Incremental Conductance Based Particle Swarm Optimization Algorithm for Global Maximum Power Tracking of Solar-PV under Nonuniform Operating Conditions

Gajendra Singh Chawda

and

Appl. Sci. 2020, 10(13), 4575; https://doi.org/10.3390/app10134575 - 01 Jul 2020

Cited by 26 | Viewed by 1879

Abstract

In practical operating conditions, the Solar-Photo Voltaic (SPV) system experiences multifarious irradiation and temperature levels, which generate power with multiple peaks. This is considered as the nonuniform operating condition (NUOC). This requires accurate tracking of global power peaks to achieve maximum power from SPV, which is a challenging task. Hence, this paper presents an incremental Conductance based Particle Swarm Optimization (ICPSO) algorithm for accurate tracking of maximum global power from active power multiple peaks generated by the SPV. The proposed algorithm continuously adjusts the individual particle’s weight component, which depends on its distance from the global best position during the tracking process. The proposed algorithm has the merit of continuous adjustment of weight components which reduces active power oscillations at the optimal global position area. Proposed ICPSO algorithm has been successfully designed and implemented for Solar-photo voltaic (PV) under nonuniform operating condition. It is established that the proposed algorithm enhances the output power of the Solar-PV up to 7% with the maximum power tracking of 0.1 s compared to other maximum power point tracking algorithms. Full article

(This article belongs to the Special Issue Novel Power Electronics Technologies in Power Systems)

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