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Electronics
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Digital Control in Power Electronics
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Digital Control in Power Electronics

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Power Electronics".

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 8325

Special Issue Editors

Dr. Manuel Moreno-Eguilaz

E-Mail Website
Guest Editor
Department of Electronic Engineering, Technical University of Catalonia, UPC BarcelonaTech, 08028 Barcelona, Spain
Interests: deep learning; smart IoT devices; predictive maintenance; secure communications; fault-tolerant systems; identification and control of power converters
Special Issues, Collections and Topics in MDPI journals
Dr. Álvaro Gómez-Pau

E-Mail Website
Guest Editor
Department of Electronic Engineering, Technical University of Catalonia, UPC BarcelonaTech, 08028 Barcelona, Spain
Interests: alternate mixed-signal test; mixed-signal design; integrated circuits; machine learning; fault-tolerant systems; systems reliability
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Power electronics is one of the most important and widely emerging engineering disciplines in the world. Nowadays, great effort is focused on power electronics, not only in research, but also in development and innovation, which is great for business. In the future, electrical energy will be controlled by power electronics and consumed by power electronics.

In the past, most power converters have been controlled using analog electronics. However, digital control is present in many power converters nowadays. State-of-the-art fast and powerful digital control systems provide new functionalities and performances for power converters. Moreover, all kinds of communications and artificial intelligence may be included in modern power electronics. Complex control algorithms, identification and online adaptation may be applied in power converters, thanks to modern digital control systems.

The main aim of this Special Issue is to seek high-quality submissions that highlight the application of digital control to power electronics, from theory to application. The topics of interest include, but are not limited to:

  • Fundamentals of digital control systems in power electronics;
  • Microcontrollers, FPGAs, SoCs applied to power electronics;
  • Application of digital control systems to power electronics;
  • Implementation of control algorithms in digital systems for power electronics;
  • Identification and control of power electronics using digital systems

Dr. Manuel Moreno-Eguilaz
Dr. Álvaro Gómez-Pau
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. Electronics 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 2400 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

  • Fundamentals of digital control systems in power electronics;
  • Microcontrollers, FPGAs, SoCs applied to power electronics;
  • Application of digital control systems to power electronics;
  • Implementation of control algorithms in digital systems for power electronics;
  • Identification and control of power electronics using digital systems

Published Papers (3 papers)

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Research

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18 pages, 4825 KiB  
Article
Parameter Estimation of a Single-Phase Boost PFC Converter with EMI Filter Based on an Optimization Algorithm
by Gabriel Rojas-Dueñas, Jordi-Roger Riba and Manuel Moreno-Eguilaz
Electronics 2021, 10(11), 1231; https://doi.org/10.3390/electronics10111231 - 21 May 2021
Cited by 2 | Viewed by 2445
Abstract
This paper proposes an approach to estimate the parameters of an AC–DC boost power factor corrector converter that includes an EMI filter. To this end, once the topology was known, the values of the passive elements were identified from measurements at the input [...] Read more.
This paper proposes an approach to estimate the parameters of an AC–DC boost power factor corrector converter that includes an EMI filter. To this end, once the topology was known, the values of the passive elements were identified from measurements at the input and output terminals of the converter. The parameters of the converter were identified based on the trust region nonlinear least squares algorithm. The steady-state and the transient signals of the converter at the input/output terminals were acquired non-intrusively without any internal modification of the circuitry. The accuracy of the proposed parameter identification approach was determined by comparing the estimated values with those provided by the manufacturer, and by comparing the measured signals with those obtained with a simulation model that included the estimated values of the parameters. The results presented in this paper prove the accuracy of the proposed approach, which can be extended to other power converters and filters. Full article
(This article belongs to the Special Issue Digital Control in Power Electronics)
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16 pages, 9727 KiB  
Article
One-Cycle Zero-Integral-Error Current Control for Shunt Active Power Filters
by Salvador Orts-Grau, Pedro Balaguer-Herrero, Jose Carlos Alfonso-Gil, Camilo I. Martínez-Márquez, Francisco J. Gimeno-Sales and Salvador Seguí-Chilet
Electronics 2020, 9(12), 2008; https://doi.org/10.3390/electronics9122008 - 26 Nov 2020
Cited by 5 | Viewed by 1774
Abstract
Current control has, for decades, been one of the more challenging research fields in the development of power converters. Simple and robust nonlinear methods like hysteresis or sigma-delta controllers have been commonly used, while sophisticated linear controllers based on classical control theory have [...] Read more.
Current control has, for decades, been one of the more challenging research fields in the development of power converters. Simple and robust nonlinear methods like hysteresis or sigma-delta controllers have been commonly used, while sophisticated linear controllers based on classical control theory have been developed for PWM-based converters. The one-cycle current control technique is a nonlinear technique based on cycle-by-cycle calculation of the ON time of the converter switches for the next switching period. This kind of controller requires accurate measurement of voltages and currents in order achieve a precise current tracking. These techniques have been frequently used in the control of power converters generating low-frequency currents, where the reference varies slowly compared with the switching frequency. Its application is not so common in active power filter current controllers due to the fast variation of the references that demands not only accurate measurements but also high-speed computing. This paper proposes a novel one-cycle digital current controller based on the minimization of the integral error of the current. Its application in a three-leg four-wire shunt active power filter is presented, including a stability analysis considering the switching pattern selection. Furthermore, simulated and experimental results are presented to validate the proposed controller. Full article
(This article belongs to the Special Issue Digital Control in Power Electronics)
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Review

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22 pages, 9312 KiB  
Review
Evaluation of Quadrature Signal Generation Methods with Reduced Computational Resources for Grid Synchronization of Single-Phase Power Converters through Phase-Locked Loops
by Paula Lamo, Alberto Pigazo and Francisco J. Azcondo
Electronics 2020, 9(12), 2026; https://doi.org/10.3390/electronics9122026 - 30 Nov 2020
Cited by 7 | Viewed by 2961
Abstract
Low-cost single-phase grid connected converters require synchronization with the grid voltage to obtain a better response and protection under diverse conditions, such as frequency perturbations and distortion. Phase-locked loops (PLLs) have been used in this scenario. This paper describes a set of quadrature [...] Read more.
Low-cost single-phase grid connected converters require synchronization with the grid voltage to obtain a better response and protection under diverse conditions, such as frequency perturbations and distortion. Phase-locked loops (PLLs) have been used in this scenario. This paper describes a set of quadrature signal generators for single-phase PLLs; compares the performances by means of simulation tests considering diverse operation conditions of the electrical grid; proposes strategies to reduce the computational burden, considering fixed-point digital implementations; and provides both descriptive and quantitative comparisons of the required mathematical operations and memory units for implementation of the analyzed single-phase PLLs. Full article
(This article belongs to the Special Issue Digital Control in Power Electronics)
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