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Research on and Application of Power Systems
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Research on and Application of Power Systems

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Electrical, Electronics and Communications Engineering".

Deadline for manuscript submissions: 30 January 2026 | Viewed by 1452

Special Issue Editors

Dr. Xu Zhang

E-Mail Website
Guest Editor
School of Mechanical and Electrical Engineering, China University of Mining and Technology (Beijing), Beijing, China
Interests: analysis and modeling of renewable energy integrated power systems; subsynchronous oscillation phenomena; protection and control strategies
Dr. Ying Zhan

E-Mail Website
Guest Editor
School of Mechanical and Electrical Engineering, China University of Mining and Technology (Beijing), Beijing, China
Interests: stability analysis of power systems; sub-/supersynchronous oscillation analyses and control

Special Issue Information

Dear Colleagues,

Modern power systems are at the forefront of addressing global energy challenges, including the transition to renewable energy, enhancing grid reliability, and meeting escalating demand for electrification. This Special Issue seeks to showcase pioneering research, novel methodologies, and real-world applications that advance the design, operation, and sustainability of power systems. We welcome advanced research and innovative applications addressing the evolving demands of power systems, ranging from generation and transmission to distribution and end-user management.

Areas relevant to research and application on power system include, but are not limited to, the following: grid stability; power electronics; control strategies for solar, wind, and hybrid systems; demand response; distributed energy resources; battery technologies; hydrogen storage; hybrid storage solutions for grid balancing; climate adaptation; fault detection; self-healing networks; disaster recovery; machine learning; digital twins and predictive analytics for optimization decision-making; grid modernization for electric vehicles (EVs); industrial electrification; carbon-neutral strategies; and cost–benefit analysis for energy transitions.

This Special Issue will publish high-quality, original research papers on the overlapping fields of:

  • Renewable energy integration;
  • grid technologies;
  • Energy storage systems;
  • Power system resilience;
  • Power system stability and control;
  • Innovation in power electronics and equipment;
  • Power system protection and control;
  • AI and data-driven solutions;
  • Electrification and decarbonization;
  • Policy, economy, and sustainable development.

We look forward to your submissions.

Dr. Xu Zhang
Dr. Ying Zhan
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 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 resilience
  • renewable energy integration
  • smart grid technologies
  • energy storage systems
  • AI-driven power system optimization
  • dynamic stability analysis
  • voltage/frequency control
  • power electronics and high-voltage equipment
  • carbon neutrality policies
  • energy market design

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Published Papers (2 papers)

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Research

28 pages, 5958 KB  
Article
Numerical Assessment of Thermal Effects in Bundled Overhead Conductors for Dynamic Line Rating
by Ziauddin Zia and Celal Fadil Kumru
Appl. Sci. 2025, 15(18), 10210; https://doi.org/10.3390/app151810210 - 19 Sep 2025
Viewed by 577
Abstract
Dynamic Line Rating (DLR) is increasingly important for maximizing capacity of existing overhead transmission lines. Conventional thermal rating methods, such as IEEE 738 and model conductors as single, isothermal cylinders and offer limited guidance for multi-conductor bundles, not fully capturing the complex aerodynamic [...] Read more.
Dynamic Line Rating (DLR) is increasingly important for maximizing capacity of existing overhead transmission lines. Conventional thermal rating methods, such as IEEE 738 and model conductors as single, isothermal cylinders and offer limited guidance for multi-conductor bundles, not fully capturing the complex aerodynamic and thermal interactions present in high-voltage networks. This study addresses these limitations by presenting a high-fidelity, two-dimensional coupled thermal-fluid model developed in COMSOL Multiphysics 4.3b. Single and bundled configurations (two-conductor, three-conductor and four-conductor) are analyzed under steady-state conditions using the Shear Stress Transport (SST) turbulence model, accounting for sub-conductor spacing, wind speed, and interactions between temperature distribution and airflow. Simulation results are compared with ampacity calculations from relevant standards to evaluate limitations of simplified models. Results show that leeward conductors reach temperatures up to ~4 °C higher than windward conductors, forming the thermal bottleneck, with peak temperatures of ~103.3 °C versus ~99 °C for single conductors. For bundled conductors, the current required to keep the maximum temperature at 100 °C was calculated, and this value was found to be approximately 3% lower than the current predicted by IEEE 738. The study emphasizes the importance of multiphysics, position-aware simulations to prevent overloading and optimize transmission line utilization. Full article
(This article belongs to the Special Issue Research on and Application of Power Systems)
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23 pages, 8220 KB  
Article
Improved PR Control Without Load Current Sensors and Phase-Locked Loops for APFs
by Jianling Liao, Wei Yuan, Yankui Zhang, Jia Zou and Xu Zhang
Appl. Sci. 2025, 15(14), 7830; https://doi.org/10.3390/app15147830 - 12 Jul 2025
Viewed by 314
Abstract
Focusing on the common problems of phase-locked loop dependence, multiple current sensor requirements, a large number of controllers, and complex settings in traditional parallel active power filter (APF) control methods, this paper proposes a harmonic compensation control strategy based on an improved proportional [...] Read more.
Focusing on the common problems of phase-locked loop dependence, multiple current sensor requirements, a large number of controllers, and complex settings in traditional parallel active power filter (APF) control methods, this paper proposes a harmonic compensation control strategy based on an improved proportional resonant (PR) controller. The proposed method introduces an instantaneous power theory to construct a reference current model, which relies solely on grid voltage and current signals, does not require load-side current detection and phase-locked loop modules, and effectively simplifies the sensor configuration and system structure. At the same time, compared with the traditional solution that requires PR modules to be configured for each order of harmonics, this study only uses one set of PR controllers for fundamental current tracking, which has advantages in terms of compactness and computing resource occupation. To guide the controller parameter setting, this paper systematically discusses the influence of changes in Kp and Kr on pole distribution and dynamic performance based on discrete domain modeling and root locus analysis methods. The results were verified on the MATLAB/Simulink simulation platform and the 1 kVA experimental platform and compared with the traditional control method that requires the use of phase-locked loops (PLLs), load current sensors, and multiple PR controllers. The simulation and experimental results show that the proposed method has achieved a certain degree of optimization in terms of harmonic suppression effect, dynamic response performance, and system structure complexity. Full article
(This article belongs to the Special Issue Research on and Application of Power Systems)
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