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New Trends in Power Electronics for Renewable Energy and Power...
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New Trends in Power Electronics for Renewable Energy and Power Systems

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

Deadline for manuscript submissions: 31 December 2025 | Viewed by 522

Special Issue Editor

Dr. Xuanlv Wu

E-Mail Website
Guest Editor
College of Automation, Northwestern Polytechnical University, Xi'an, China
Interests: power electronics; wide band gap semiconductor device application

Special Issue Information

Dear Colleagues,

The aim of this Special Issue is to explore and present the latest advancements in power electronics within the context of renewable energy and power systems. It intends to bridge the gap between research and practical applications, facilitating the development and integration of more efficient and sustainable power electronics technologies.

The scope of this Special Issue is broad. It encompasses all aspects related to power electronics in the renewable energy and power systems fields. This includes power conversion technologies for solar, wind, hydro, and other renewable energy sources. It also delves into the design, control, and optimization of power electronic devices and systems for grid connection, energy storage, and power quality improvement.

This Special Issue will focus on (but is not limited to) the following topics:

  • Advanced power converter topologies for high-efficiency energy conversion from renewable sources. For example, new inverter designs for photovoltaic systems.
  • Control strategies for power electronics in distributed power generation systems to ensure stable and reliable operation.
  • The integration of power electronics in energy storage systems such as batteries and supercapacitors for better energy management.
  • Power quality issues and solutions related to power electronics in power systems, like harmonic reduction and reactive power compensation.

Dr. Xuanlv Wu
Guest Editor

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

  • power electronics
  • renewable energy
  • power systems
  • grid integration
  • energy storage
  • power quality

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

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Research

17 pages, 4689 KB  
Article
Oscillation Mechanism of SRF-PLL in Wind Power Systems Under Voltage Sags and Improper Control Parameters
by Guoqing Wang, Zhiyong Dai, Qitao Sun, Shuaishuai Lv, Nana Lu and Jinke Ma
Electronics 2025, 14(15), 3100; https://doi.org/10.3390/electronics14153100 - 3 Aug 2025
Viewed by 293
Abstract
The synchronous reference frame phase-locked loop (SRF-PLL) is widely employed for grid synchronization in wind farms. However, it may exhibit oscillations under voltage sags or improper parameter settings. These oscillations may compromise the secure integration of large-scale wind power. Therefore, mitigating the oscillations [...] Read more.
The synchronous reference frame phase-locked loop (SRF-PLL) is widely employed for grid synchronization in wind farms. However, it may exhibit oscillations under voltage sags or improper parameter settings. These oscillations may compromise the secure integration of large-scale wind power. Therefore, mitigating the oscillations of the SRF-PLL is crucial for ensuring stable and reliable operation. To this end, this paper investigates the underlying oscillation mechanism of the SRF-PLL from local and global perspectives. By taking into account the grid voltage and control parameters, it is revealed that oscillations of the SRF-PLL can be triggered by grid voltage sags and/or the improper control parameters. More specifically, from the local perspective, the SRF-PLL exhibits distinct qualitative behaviors around its stable equilibrium points under different grid voltage amplitudes. As a result, when grid voltage sags occur, the SRF-PLL may exhibit multiple oscillation modes and experience a prolonged transient response. Furthermore, from the global viewpoint, the large-signal analysis reveals that the SRF-PLL has infinitely many asymmetrical convergence regions. However, the sizes of these asymmetrical convergence regions shrink significantly under low grid voltage amplitude and/or small control parameters. In this case, even if the parameters in the small-signal model of the SRF-PLL are well-designed, a small disturbance can shift the operating point into other regions, resulting in undesirable oscillations and a sluggish dynamic response. The validity of the theoretical analysis is further supported by experimental verification. Full article
(This article belongs to the Special Issue New Trends in Power Electronics for Renewable Energy and Power Systems)
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