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Analysis and Control of Complex Power Systems

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

Deadline for manuscript submissions: closed (31 October 2022) | Viewed by 8646

Special Issue Editor

School of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
Interests: power system stability analysis and control; cascading failure; load characteristics and modeling; polynomial approximation; big data analysis

Special Issue Information

Dear Colleagues,

Power systems are facing great changes today, from simple ones in huge traditional power sources, regular transmission power, and passive power load to complex ones in massive modern renewable power sources, volatile transmission power, and active power load. In view of these changes, this Special Issue aims to present recent advances related to the theory, analysis, and control of modern complex power systems.

Topics of interest for publication include but are not limited to:

  • Cascading failure and complexity of power systems;
  • Power systems with high wind or PV power penetration;
  • Power systems with multi-infeed LCC-HVDC or VSC-HVDC;
  • Uncertainties and multi-timescale of complex power systems;
  • Voltage, frequency, and converter stabilities of complex power systems;
  • Coordinate control of complex power systems with wind, PV, ES, and DR.

Dr. Hao 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.

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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.

Published Papers (5 papers)

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Research

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20 pages, 2742 KiB  
Article
A Comprehensive Evaluation Method and Strengthening Measures for AC/DC Hybrid Power Grids
by Junli Zhang, Guoteng Wang, Zheng Xu and Zheren Zhang
Energies 2022, 15(12), 4432; https://0-doi-org.brum.beds.ac.uk/10.3390/en15124432 - 17 Jun 2022
Viewed by 960
Abstract
Due to the complex operation characteristics of AC/DC hybrid power grids, it is a great challenge to comprehensively evaluate their stability and formulate appropriate strengthening schemes for them. To address this challenge, the following studies are carried out in this paper. First, an [...] Read more.
Due to the complex operation characteristics of AC/DC hybrid power grids, it is a great challenge to comprehensively evaluate their stability and formulate appropriate strengthening schemes for them. To address this challenge, the following studies are carried out in this paper. First, an evaluation system including six indicators is established for AC/DC hybrid power grids. Next, aiming at the problems that may be revealed by the comprehensive evaluation, strengthening measures that can be utilized are introduced. Then, a comprehensive evaluation method for AC/DC hybrid power grids and their potential strengthening schemes is proposed. This method can deal with three issues, including normalization of the indicators, weighting of the indicators, and the trade-off of technology and cost. Finally, in the case study of the Qujing Power Grid, the main problems faced by regional power grids are pointed out, and four feasible strengthening schemes are formulated and evaluated. Full article
(This article belongs to the Special Issue Analysis and Control of Complex Power Systems)
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20 pages, 3632 KiB  
Article
Parametric Transient Stability Constrained Optimal Power Flow Solved by Polynomial Approximation Based on the Stochastic Collocation Method
by Bingqing Xia, Hao Wu, Wenbin Yang, Lu Cao and Yonghua Song
Energies 2022, 15(11), 4127; https://0-doi-org.brum.beds.ac.uk/10.3390/en15114127 - 03 Jun 2022
Viewed by 1131
Abstract
To better respond to the impact of power system-uncertain parameters on transient stability, a novel model named the parametric transient stability constrained optimal power flow (parametric TSCOPF) is proposed. It seeks the optimal control scheme of transient stability constrained optimal power flow (TSCOPF) [...] Read more.
To better respond to the impact of power system-uncertain parameters on transient stability, a novel model named the parametric transient stability constrained optimal power flow (parametric TSCOPF) is proposed. It seeks the optimal control scheme of transient stability constrained optimal power flow (TSCOPF) expressed by the function of uncertain parameters in power systems. The key difficulty to solve this model lies in that the relationship between the parametric TSCOPF solution and uncertain parameters is implicit, which is hard to derive generally. To this end, this paper approximates the optimal solution of parametric TSCOPF by polynomial expressions of uncertain parameters based on the stochastic collocation method. First, the parametric TSCOPF model includes both uncertain parameters and transient stability constraints, in which the transient stability constraint is constructed as a set of polynomial expressions using the SCM. Then, to derive the relationship between the parametric TSCOPF solution and uncertain parameters, the SCM is applied to the parametric Karush–Kuhn–Tucker (KKT) conditions of the parametric TSCOPF model, so that the optimal solution of the parametric TSCOPF is approximated by using polynomial expressions with respect to uncertain parameters. The proposed parametric TSCOPF model has been tested on a 3-machine, 9-bus system, and the IEEE 145-bus system, which verifies the effectiveness of the proposed method. Full article
(This article belongs to the Special Issue Analysis and Control of Complex Power Systems)
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Review

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19 pages, 426 KiB  
Review
Survey on Modeling of Temporally and Spatially Interdependent Uncertainties in Renewable Power Systems
by Jie Zhu, Buxiang Zhou, Yiwei Qiu, Tianlei Zang, Yi Zhou, Shi Chen, Ningyi Dai and Huan Luo
Energies 2023, 16(16), 5938; https://0-doi-org.brum.beds.ac.uk/10.3390/en16165938 - 11 Aug 2023
Viewed by 724
Abstract
Constructing a renewable energy-based power system has become an important development path for the power industry’s low-carbon transformation. However, as the proportion of renewable energy generation (REG) increases, the power grid gradually changes to uncertainty. Technologies to address this issue have been introduced. [...] Read more.
Constructing a renewable energy-based power system has become an important development path for the power industry’s low-carbon transformation. However, as the proportion of renewable energy generation (REG) increases, the power grid gradually changes to uncertainty. Technologies to address this issue have been introduced. However, the majority of existing reviews focus on specific uncertainty modeling approaches and applications, lacking the consideration of temporal and spatial interdependence. Therefore, this paper provides a comprehensive review of the uncertainty modeling of temporal and spatial interdependence. It includes the discrete and continuous stochastic process-based methods to address temporal interdependence, the correlation coefficient and copula functions in modeling spatial interdependence, and the Itô process and random fields theory to describe temporal and spatial interdependence. Finally, their applications in power system stability, control, and economic scheduling are summarized. Full article
(This article belongs to the Special Issue Analysis and Control of Complex Power Systems)
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32 pages, 1595 KiB  
Review
A Comprehensive Review of Power System Stabilizers
by Adrian Nocoń and Stefan Paszek
Energies 2023, 16(4), 1945; https://0-doi-org.brum.beds.ac.uk/10.3390/en16041945 - 15 Feb 2023
Cited by 7 | Viewed by 2974
Abstract
This paper presents a current literature review (from the years 2017–2022) on issues related to the application of power system stabilizers (PSSs) for damping electromechanical swings in power systems (PSs). After the initial selection of papers found in the databases used, over 600 [...] Read more.
This paper presents a current literature review (from the years 2017–2022) on issues related to the application of power system stabilizers (PSSs) for damping electromechanical swings in power systems (PSs). After the initial selection of papers found in the databases used, over 600 publications were qualified for this review, of which 216 were subjected to detailed analysis. In the review, issues related to the following problems are described: applications of classic PSSs, applications of new stabilizer structures based on new algorithms (including artificial intelligence), development of new methods for tuning PSSs, and operation of PSSs in PSs with high power generation by renewable sources. Describing individual papers, the research methods used by the authors (simulations, measurement methods, and a combination of both) are specified, attention is paid to the waveforms presented in the papers, and reference is made to the types of PSs in which PSSs (large multimachine, reflecting real systems, smaller standard multimachine New-England type, and simplest single-machine) operate. The tables contain detailed comments on the selected papers. The final part of the review presents general comments on the analyzed papers and guidelines for future PS stability studies. Full article
(This article belongs to the Special Issue Analysis and Control of Complex Power Systems)
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37 pages, 817 KiB  
Review
Protection of Multi-Terminal HVDC Grids: A Comprehensive Review
by Mohamed Radwan and Sahar Pirooz Azad
Energies 2022, 15(24), 9552; https://0-doi-org.brum.beds.ac.uk/10.3390/en15249552 - 16 Dec 2022
Cited by 5 | Viewed by 2406
Abstract
Multi-terminal HVDC grids facilitate the integration of various renewable resources from distant locations; in addition, they enhance the reliability and stability of the grid. Protection is one of the major obstacles in realizing reliable and secure multi-terminal HVDC grids. This paper presents a [...] Read more.
Multi-terminal HVDC grids facilitate the integration of various renewable resources from distant locations; in addition, they enhance the reliability and stability of the grid. Protection is one of the major obstacles in realizing reliable and secure multi-terminal HVDC grids. This paper presents a comprehensive review of the existing protection schemes for multi-terminal HVDC grids. First, DC fault current stages are demonstrated; in addition, fault analysis studies and the existing fault current calculation methods are reviewed. Then, HVDC grid protection requirements including multi-vendor interoperability conditions are extensively discussed. Furthermore, primary protection algorithms are classified into single- and double-ended schemes, and a detailed comparison between each category is presented such that the distinctive algorithms from each group are highlighted. Moreover, the recent DC reclosing schemes are reviewed highlighting their role in enhancing grid stability and ensuring supply continuity. Finally, available standards for HVDC protection systems alongside their design considerations and procedures are thoroughly outlined. This paper focuses on the recently proposed methods to design reliable protection schemes for multi-terminal HVDC grids and highlights the main advantages and disadvantages associated with them; thus, it offers a beneficial guide for researchers in the HVDC protection field. Full article
(This article belongs to the Special Issue Analysis and Control of Complex Power Systems)
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