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Modelling, Stability Analysis and Advanced Control of Power Electronics Cluster...
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Modelling, Stability Analysis and Advanced Control of Power Electronics Cluster System

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

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 5393

Special Issue Editors

Dr. Xiaochao Hou

E-Mail Website1 Website2
Guest Editor
Department of Electrical Engineering, Tsinghua University, Beijing 100084, China
Interests: control and stability of distributed PV/ESS/EV integrations; series/parallel-type microgrid system; high renewable distribution network
Dr. Jinghang Lu

E-Mail Website
Guest Editor
School of Mechanical Engineering and Automation, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
Interests: uninterruptible power supply; microgrid, and control of power converters
Dr. Yang Qi

E-Mail Website
Guest Editor
School of Automation, Northwestern Polytechnical University, Xi’an 710072, China
Interests: modeling and control of power-electronics-based power systems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Power electronic devices are increasingly dominated in power grid systems which promote flexibility and controllability, such as the applications of photovoltaic/wind generations, flexible HVDC transmission, power electronic transformers, electric vehicle charging, motor drivers, and microgrids. These power electronics cluster systems consisting of these devices exhibit complicated multi-time-scale and non-linear characteristics. These characteristics have brought a series of challenges to the stable and secure operation of the cluster system, such as power quality issues in high-speed traction systems, a wide-frequency-range oscillation phenomena in a large-scale wind farm, deteriorated frequency fluctuation of low-inertia power grid, and irreversible instability problem of weak distributed energy systems. Besides, the vulnerability and limited over-load capability of power electronic device also break off the normal system operation when it is subjected to large disturbances or under complex dynamic load. In this scenario, a special section on modelling, stability analysis, and advanced control of power electronics cluster system will be timely and of great interest for all those working in the area.

Editors invite original manuscripts presenting recent advances in these fields with special reference to the following topics:

  • Network topologies of power electronics clusters;
  • Multi-time scale model and its model order reduction;     
  • High-power and high-voltage power electronic system;
  • Non-linear phenomena modeling and mechanism analysis;
  • Small-/large- signal stability analysis methods;     
  • Harmonic instability analysis and power quality issues;
  • Fault characteristics and operation monitoring;     
  • Advanced control of power electronic system under dynamic loads;
  • Oscillation damping techniques in wind plants, microgrid, and other occasions;  
  • Grid-friendly interfaces and coordination control for renewable generation and vehicle-to-grid (V2G).

Dr. Xiaochao Hou
Dr. Jinghang Lu
Dr. Yang Qi
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

  • microgrids
  • distributed generations
  • high renewable distribution network
  • nonlinear and dynamic loads
  • converter Modeling
  • advanced control techniques
  • frequency/voltage stability

Published Papers (3 papers)

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Research

14 pages, 4741 KiB  
Article
Adaptive Inertia and Damping Coordination (AIDC) Control for Grid-Forming VSG to Improve Transient Stability
by Lei Wang, Hao Zhou, Xuekai Hu, Xiaochao Hou, Can Su and Kai Sun
Electronics 2023, 12(9), 2060; https://doi.org/10.3390/electronics12092060 - 29 Apr 2023
Cited by 4 | Viewed by 1586
Abstract
Different from the conventional synchronous generator, the virtual inertia and damping control parameters for the inverter-based virtual synchronous generator (VSG) provide more flexibility for stable operation and dynamic performance optimization. However, the operation control principle is still unclear regarding how to coordinate virtual [...] Read more.
Different from the conventional synchronous generator, the virtual inertia and damping control parameters for the inverter-based virtual synchronous generator (VSG) provide more flexibility for stable operation and dynamic performance optimization. However, the operation control principle is still unclear regarding how to coordinate virtual inertia and damping considering both frequency stability and transient synchronization stability. In this paper, an Adaptive Inertia and Damping Coordination (AIDC) control strategy is proposed for grid-forming VSGs to improve transient stability. The proposed AIDC strategy adaptively adjusts the virtual inertia and damping coefficients based on real-time conditions of operation frequency deviation and its rate of change of frequency (RoCoF). The virtual inertia is designed to dynamically increase in the accelerated area and decrease in the decelerated are, and the virtual damping coefficient is designed to increase and enlarge the positive virtual damping effect during the whole accelerated/decelerated transient process. In addition, the proposed AIDC strategy is realized through the practical arctan-function control method with limited boundaries, which can assist engineers. The effectiveness of the proposed AIDC strategy is validated through hardware-in-the-loop experiments. Full article
(This article belongs to the Special Issue Modelling, Stability Analysis and Advanced Control of Power Electronics Cluster System)
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19 pages, 4264 KiB  
Article
Stability and Distributed Optimization for AC Microgrid Considering Line Losses and Time Delay
by Siming Zeng, Lei Wang, Tiecheng Li, Ziwei Cheng, Xuekai Hu, Zhangjie Liu and Jungao Huang
Electronics 2023, 12(7), 1698; https://doi.org/10.3390/electronics12071698 - 3 Apr 2023
Viewed by 1017
Abstract
With the development of distributed renewable generations, a large number of distributed generations (DGs) are connected to the microgrid. Therefore, distributed cooperative algorithms are more suitable for optimal dispatch of the microgrid than centralized algorithms. This paper proposes a novel distributed cooperative control [...] Read more.
With the development of distributed renewable generations, a large number of distributed generations (DGs) are connected to the microgrid. Therefore, distributed cooperative algorithms are more suitable for optimal dispatch of the microgrid than centralized algorithms. This paper proposes a novel distributed cooperative control method for optimal dispatch of microgrids, considering line losses and time delay. First, the optimization model of the microgrid considering line losses is established, and optimality conditions are obtained. Second, a novel distributed optimization method considering line losses is proposed, where the primary control is to achieve optimal dispatch, and the secondary control is to achieve frequency regulation. Third, the stability of the system under time delay is analyzed, and the robust stability conditions are obtained. Finally, simulation results verify the the effectiveness of the proposed method. Full article
(This article belongs to the Special Issue Modelling, Stability Analysis and Advanced Control of Power Electronics Cluster System)
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23 pages, 13366 KiB  
Article
Modeling and Analysis of Non-Linear Phenomena of Satellite Power System in Space Environment and Hazard-Risk Evaluations
by Yanchen Meng, Donglai Zhang, Chao Wang, Zhigang Liu, Liying Zhu and Anshou Li
Electronics 2022, 11(11), 1756; https://doi.org/10.3390/electronics11111756 - 31 May 2022
Cited by 2 | Viewed by 1827
Abstract
With the aim to solve the problem of the non-linear phenomenon of the satellite power system under the influence of the space environment factors, which threatens the stability of the power system, in this paper, the abnormal charging and discharging of solar arrays [...] Read more.
With the aim to solve the problem of the non-linear phenomenon of the satellite power system under the influence of the space environment factors, which threatens the stability of the power system, in this paper, the abnormal charging and discharging of solar arrays and solar array drive assembly (SADA) induced by the space plasma environment and accidental events, such as debris impact, and the non-linear behaviors of the solar array and load during the Earth eclipse are modeled and analyzed. On this basis, the hazard risk evaluations of the above non-linear phenomena are carried out, and the weak links of the satellite power system in the space environment are identified. The results show that the unexpected energy of the solar array will increase the current stress and power loss of the power device, resulting in S3R over-regulation. An SADA arc fault will reduce the power supply capacity of the solar array, damage the shunt regulator, and affect the quality of the bus. The non-linear behavior of the solar array and load during the Earth eclipse may damage the battery charge and discharge regulator, seriously affecting the stability of the power system. Full article
(This article belongs to the Special Issue Modelling, Stability Analysis and Advanced Control of Power Electronics Cluster System)
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