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Energies
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Power Electronics Dominated Power Systems: Modeling, Control, and Stability Analysis
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Power Electronics Dominated Power Systems: Modeling, Control, and Stability Analysis

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F1: Electrical Power System".

Deadline for manuscript submissions: closed (15 August 2023) | Viewed by 13091

Special Issue Editor

Prof. Dr. Xin Chen

E-Mail Website
Guest Editor
College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China
Interests: stability analysis of power system; distributed generation and power system; grid-connected inverter; impedance modeling and shaping control

Special Issue Information

Dear Colleagues,

In recent years, power electronics have been widely used in power systems, including renewable energy generation, static var generators (SVG), energy storage, high-voltage DC (HVDC) transmission, and flexible AC transmission systems (FACTS). However, resonance issues and interaction stability problems have been encountered in such power systems dominated by power electronics. Power electronics modeling methods and system stability analysis methods have to be developed for the complex power electronics and systems. It is also necessary to explore the advanced control technology that can coordinate the various control degrees of power electronics, so as to make the control of new power systems more stable and flexible. To address the above issues, this Special Issue is devoted to the modeling, control, and stability analysis of power electronics dominated power systems.

Topics of main interest include, but are not limited to:

  • Impedance analysis methods and other small-signal stability analysis methods adapted to power electronics dominated power systems.
  • Modeling, characteristic analysis, and measurement methods for various power electronics and systems.
  • Stability analysis of power electronics dominated power systems covering low, medium, and high frequencies.
  • Theories, design methods, and applications of stability control of power electronic devices in power systems.
  • Real-time and hardware-in-the-loop simulation applied in power electronics dominated power systems.
  • The new control technologies adapted for power electronics dominated power systems.
  • Case study, stability analysis, and mitigation in real applications.

Prof. Dr. Xin Chen
Guest Editor

Manuscript Submission Information

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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. Energies 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 2600 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 dominated power systems
  • multi-time scale dynamics
  • system stability
  • oscillation/resonance
  • stability analysis
  • stability control
  • damping control
  • stability criterion
  • stability mechanism
  • impedance analysis
  • impedance modeling
  • impedance shaping control
  • resonance suppression

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Published Papers (4 papers)

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Editorial

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3 pages, 167 KiB  
Editorial
Modeling, Control and Stability Analysis of Power Systems Dominated by Power Electronics
by Xin Chen, Tong Huang and Donghui Zhang
Energies 2022, 15(16), 6041; https://doi.org/10.3390/en15166041 - 20 Aug 2022
Cited by 1 | Viewed by 1853
Abstract
With the growth of economic and social demand for electricity, the power system has gradually evolved into a complex network containing a high proportion of renewable generators and large-scale electrical devices [...] Full article
(This article belongs to the Special Issue Power Electronics Dominated Power Systems: Modeling, Control, and Stability Analysis)

Research

Jump to: Editorial

20 pages, 5609 KiB  
Article
Grid Interconnection Modeling of Inverter Based Resources (IBR) Plant for Transient Analysis
by Himadry Shekhar Das, Shuhui Li and Shahinur Rahman
Energies 2023, 16(7), 3211; https://doi.org/10.3390/en16073211 - 2 Apr 2023
Cited by 2 | Viewed by 5902
Abstract
The increase in penetration levels of inverter-based resources (IBRs) is changing the dynamic performance of power grids of different parts of the world. IBRs are now being more and more integrated into the grid at a single connection point as an IBR plant. [...] Read more.
The increase in penetration levels of inverter-based resources (IBRs) is changing the dynamic performance of power grids of different parts of the world. IBRs are now being more and more integrated into the grid at a single connection point as an IBR plant. Due to the complex nature and dynamicity of each inverter model, it is not realistic to build and analyze full complex models of each inverter in the IBR plant. Moreover, simulating a large plant including detailed models of all the IBRs would require high computing resources as well as a long simulation time. This has been the main issue addressed in the new IEEE Std 2800-2022. This paper proposes a novel approach to model an IBR plant, which can capture the transient nature at the plant level, detailed IBR control at the inverter level, interactions of multiple IBR groups in a plant structure, and a collector system connecting the IBRs to the grid. The IBRs in the plant use a voltage source inverter topology combined with a grid-connected filter. The control structure of the IBR includes a cascaded loop control where an inner current control and outer power control are designed in the dq-reference frame, and a closed-loop phase-locked loop is used for the grid synchronization. The mathematical study is conducted first to develop aggregated plant models considering different operating scenarios of active IBRs in an IBR plant. Then, an electromagnetic transient simulation (EMT) model of the plant is developed to investigate the plant’s dynamic performance under different operating scenarios. The performance of the aggregated plant model is compared with that of a detailed plant model to prove the effectiveness of the proposed strategy. The results show that the aggregated EMT simulation model provides almost the same result as the detailed model from the plant perspective while the running time/computation burden is much lower. Full article
(This article belongs to the Special Issue Power Electronics Dominated Power Systems: Modeling, Control, and Stability Analysis)
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18 pages, 5363 KiB  
Article
A Misalignment Tolerate Integrated S-S-S-Compensated WPT System with Constant Current Output
by Zhaoyang Yuan, Qingxin Yang, Xian Zhang, Xianjie Ma, Ran Wang, Ming Xue and Pengcheng Zhang
Energies 2023, 16(6), 2798; https://doi.org/10.3390/en16062798 - 17 Mar 2023
Cited by 3 | Viewed by 2358
Abstract
This paper proposes a cooperative (Cx) coil design for the series-series-series (S-S-S)-compensated wireless power transfer (WPT) system to improve the horizontal misalignment tolerance and the system efficiency. The Cx coil is formed by four series-connected rectangular coils and integrated into the transmitter (Tx) [...] Read more.
This paper proposes a cooperative (Cx) coil design for the series-series-series (S-S-S)-compensated wireless power transfer (WPT) system to improve the horizontal misalignment tolerance and the system efficiency. The Cx coil is formed by four series-connected rectangular coils and integrated into the transmitter (Tx) coil to provide a coupling variation opposite to that of the Tx coil, obtaining the constant equivalent mutual inductance (MI). The design overcomes the problem that the decoupling-designed intermediate coil does not participate in system energy delivery under the well-aligned condition. A misalignment tolerant design with the zero-phase-angle (ZPA) input and load-independent constant current (CC) output conditions is presented based on the Delta-Wye network transform and linear regression. A comparison between the proposed design and a two-coil system using a similar amount of copper, i.e., the Tx coil plus the Cx coil, is made. Finally, a 218.08 W/85.85 kHz scaled-down prototype with the proposed Cx coil is demonstrated to validate the performance and effectiveness of the design. The proposed design can maintain at over 82% efficiency, and offer the ZPA input and load-independent CC output within a misalignment tolerant range of 50% of the length of the receiver coil, as the load varies from 10 Ω to 25 Ω. Full article
(This article belongs to the Special Issue Power Electronics Dominated Power Systems: Modeling, Control, and Stability Analysis)
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16 pages, 4411 KiB  
Article
Sequence Impedance Modeling and Optimization of MMC-HVDC Considering DC Voltage Control and Voltage Feedforward Control
by Tong Huang and Xin Chen
Energies 2022, 15(24), 9649; https://doi.org/10.3390/en15249649 - 19 Dec 2022
Cited by 3 | Viewed by 1815
Abstract
The dynamic performance of the DC bus significantly influences the impedance characteristics of MMC and the system stability in a high-voltage direct current system. However, most of the existing MMC-HVDC system stability research simplifies the DC side as an ideal voltage source and [...] Read more.
The dynamic performance of the DC bus significantly influences the impedance characteristics of MMC and the system stability in a high-voltage direct current system. However, most of the existing MMC-HVDC system stability research simplifies the DC side as an ideal voltage source and ignores the impacts of voltage feedforward control, which affects the accuracy and practicability of stability analysis. In this paper, a sequence impedance model considering both DC voltage control and voltage feedforward control is developed, and the necessity of considering DC control and voltage feedforward control for MMC-HVDC stability analysis is illustrated. Then, the impact of control parameters on MMC-HVDC impedance is discussed, and the boundary conditions of control parameters are also derived. Finally, a method of control parameters design and impedance optimization for MMC-HVDC based on the stability boundary is proposed. Compared to the traditional optimization method, the system stability is further improved by the impedance optimization method proposed this paper. Full article
(This article belongs to the Special Issue Power Electronics Dominated Power Systems: Modeling, Control, and Stability Analysis)
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