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Advances and Challenges in Power Systems with High Penetration of Renewable Energies: 2nd Edition

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

Deadline for manuscript submissions: 20 October 2026 | Viewed by 1832

Special Issue Editors


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Guest Editor
School of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Interests: renewable energy power generation; grid-connected inverter; iterative calculation; structural parameters; dynamic performance

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Guest Editor
School of Electrical Engineering, Chongqing University, Chongqing 400044, China
Interests: multi-terminal flexible DC transmission; modular multilevel converter; high voltage and high power electric energy conversion; distributed new energy access and DC power grid
Special Issues, Collections and Topics in MDPI journals
The Faculty of Engineering and Science, Aalborg University, 9220 Aalborg, Denmark
Interests: distributed power generation; marine power systems; power generation control; power system stability
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

With the development of distributed renewable energy generation and modern power electronics, there has been a profound revolution in the operation and control technology of power systems. Distributed renewable energy generation and new loads such as electric vehicles introduce significant randomness and volatility into the power system, together with the characteristics of a fast fault response, nonlinear control, multiphysical field coupling, etc. This brings about new challenges regarding the safe, stable, and efficient operation of power systems. Therefore, this Special Issue intends to present new ideas and solutions in the field of the operation, control, and protection of power systems with a high penetration of renewable energies.

The fields related to the operation and control of power systems with the high penetration of renewable energies include, but are not limited to, distributed energy generation, the stability control of AC/DC hybrid grids, topology and coordinated control of microgrids, fault analysis and protection of HVDC transmission systems, etc. Control and protection technologies related to energy storage stations, virtual power plants, and electric transportation are also topics of interest.

This Special Issue aims to publish high-quality, original research papers in the following overlapping fields:

  1. Advances in modeling and analysis of power systems with high penetration of renewable energies;
  2. Advances in operation and control of AC/DC hybrid power grids;
  3. Advances in new topology and control technologies for microgrids;
  4. Advances in fault analysis and protection of HVDC transmission systems and DC grids;
  5. New challenges and solutions for power systems with high penetration of renewable energies.

Dr. Zhenao Sun
Dr. Yongjie Luo
Dr. Yajuan Guan
Dr. Luona Xu
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 250 words) can be sent to the Editorial Office for assessment.

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 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 system
  • renewable energy generation
  • power electronics
  • stability analysis
  • control and protection

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Published Papers (1 paper)

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Research

22 pages, 7537 KB  
Article
Dynamic Response of Droop-Controlled Grid-Forming Inverters Under Varying Grid Impedances for Enhanced Stability in Microgrids
by Mohib Ullah, Yajuan Guan, Manuel A. Barrios, Juan C. Vasquez and Josep M. Guerrero
Appl. Sci. 2025, 15(23), 12562; https://doi.org/10.3390/app152312562 - 27 Nov 2025
Viewed by 1487
Abstract
The fast-growing integration of renewable energy sources into the utility grids jeopardizes the system’s performance and stability at risk. Particularly, the increasing tendency of power electronics converters in the current renewables-based power generation and their integration to utility grids through long sub-sea cables [...] Read more.
The fast-growing integration of renewable energy sources into the utility grids jeopardizes the system’s performance and stability at risk. Particularly, the increasing tendency of power electronics converters in the current renewables-based power generation and their integration to utility grids through long sub-sea cables compromises the grid strength and amplifies the risk of system instability during disturbances. To sustain grid stability and ensure effective regulation during transients, grid-following (GFL) and grid-forming (GFM) control approaches have been extensively proposed for power systems with inverter-based resources (IBRs). The former approach is solely based on a phase-locked loop (PLL) to track the phase angle of grid voltage, which reduces the system stability margin, particularly in weak-grid scenarios. Consequently, grid-forming control is increasingly recognized for its ability to maintain stability and ensure reliable operation under weak-grid conditions. Droop control is one of the most widely used grid-forming control strategies owing to its capability to emulate the behavior of synchronous machines, achieve autonomous power sharing, and ensure stable voltage and frequency regulation even under varying grid conditions. This paper aims to evaluate the impact of grid impedance and its characteristics (i.e., resistive or inductive grid impedance) on the dynamic performance of a droop control GFM grid-connected converter. To that end, first, a detailed MATLAB/Simulink model of a voltage source converter implementing the proposed droop-based GFM control is developed. Then, the overall system will be validated by performing on distinct case studies including weak and stiff power grids with inductive, resistive and nonlinear impedances in response to various grid disturbances. Full article
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