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Electricity
Special Issues
Recent Advances in Power and Smart Grids
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Recent Advances in Power and Smart Grids

A special issue of Electricity (ISSN 2673-4826).

Deadline for manuscript submissions: 20 March 2025 | Viewed by 1517

Special Issue Editor

Prof. Dr. Yang Han

E-Mail Website
Guest Editor
School of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu, China
Interests: power electronics; microgrid; power quality; renewable energy systems; active power filters
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The 2024 7th International Conference on Power and Smart Grid (ICPSG 2024) will be held on 20–22 July 2024 in Chengdu, China, co-sponsored by the University of Electronic Science and Technology of China and Beijing CAS Industrial Energy and Environment Technology Institute (BIEET), and hosted by the School of Mechanical and Electrical Engineering (UESTC, China). This conference is the premier forum to present new advances and research results in the fields of theoretical, experimental, and applied power and smart grids.  

We welcome extended versions of conference submissions as well as regular submissions within this field. 

Topics of interest for submission include, but are not limited to:

  • Advanced energy technologies;
  • Battery and fuel cell technology;
  • Distributed generation systems;
  • Electric power engineering;
  • Electrical power engineering and system integration;
  • Electric power transmission and distribution;
  • Energy and power engineering;
  • Energy economics and energy policy;
  • Energy engineering;
  • Energy storage system and technologies;
  • Energy systems and power engineering;
  • Energy technology and power engineering;
  • Fuel cells and combustion;
  • Power and energy technology systems;
  • Power electronics;
  • Power engineering;
  • Power engineering and power generation technology;
  • Power generation technologies;
  • Power systems;
  • Power technology and engineering;
  • Power technology and power engineering;
  • Power transmission and distribution;
  • Renewable and non-renewable energy sources;
  • Renewable energy technology;
  • Smart grid technologies;
  • Sustainability;
  • Wind and renewable energy.

Prof. Dr. Yang Han
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.

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. Electricity is an international peer-reviewed open access quarterly 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 1000 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

  • electric power engineering
  • electric power transmission and distribution
  • battery and fuel cell technology
  • power electronics
  • renewable energy technology
  • smart grid technologies

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

16 pages, 2342 KiB  
Article
Combined Power Generating Complex and Energy Storage System
by Rollan Nussipali, Nikita V. Martyushev, Boris V. Malozyomov, Vladimir Yu. Konyukhov, Tatiana A. Oparina, Victoria V. Romanova and Roman V. Kononenko
Electricity 2024, 5(4), 931-946; https://doi.org/10.3390/electricity5040047 - 21 Nov 2024
Viewed by 353
Abstract
Combining wind and hydropower facilities makes it possible to solve the problems caused by power supply shortages in areas that are remote from the central energy system. Hydropower plants and highly manoeuvrable hydroelectric units successfully compensate for the uneven power outputs from wind [...] Read more.
Combining wind and hydropower facilities makes it possible to solve the problems caused by power supply shortages in areas that are remote from the central energy system. Hydropower plants and highly manoeuvrable hydroelectric units successfully compensate for the uneven power outputs from wind power plants, and the limitations associated with them are significantly reduced when they are integrated into the regional energy system. Such an integration contributes to increasing the efficiency of renewable energy sources, which in turn reduces our dependence on fossil resources and decreases their harmful impact on the environment, increasing the stability of the power supply to consumers. The results of optimisation calculations show that a consumer load security of 95% allows the set capacity of RESs to be used in the energy complex up to 700 MW. It is shown here that the joint operation of HPPs and WPPs as part of a power complex and hydraulic energy storage allows for the creation of a stable power supply system that can operate even in conditions of variable wind force or uneven water flow. The conclusions obtained allow us to say that the combination of hydro- and wind power facilities makes it possible to solve the problem of power supply deficits in the regions of Kazakhstan that are remote from the central power station. At the same time, hydroelectric power plants and highly manoeuvrable hydroelectric units successfully compensate for the uneven power output from wind power plants and significantly reduce the limitations associated with them during their integration into the regional energy system. Full article
(This article belongs to the Special Issue Recent Advances in Power and Smart Grids)
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17 pages, 4727 KiB  
Article
A Novel Non-Unit Protection Method for MMC-HVDC Transmission Lines Based on the Ratio of Line-Mode Voltage Second Derivative
by Yanting Wang, Jiayuan Ouyang, Zhaoyuan Shi and Shunyue Fan
Electricity 2024, 5(4), 826-842; https://doi.org/10.3390/electricity5040041 - 1 Nov 2024
Viewed by 567
Abstract
The modular multilevel converter (MMC) high-voltage direct current (HVDC) transmission technology is essential for overcoming the challenges of large-scale renewable energy integration. Line protection is critical for ensuring system safety. However, existing protection methods for MMC-HVDC transmission lines face difficulties in withstanding both [...] Read more.
The modular multilevel converter (MMC) high-voltage direct current (HVDC) transmission technology is essential for overcoming the challenges of large-scale renewable energy integration. Line protection is critical for ensuring system safety. However, existing protection methods for MMC-HVDC transmission lines face difficulties in withstanding both high resistance and noise interference, frequently leading to failures in detecting internal high-resistance faults or triggering false operations due to noise. This paper first derives the theoretical expression of the line-mode voltage through analytical methods. By analyzing the second derivative of the line-mode voltage under different fault conditions, this paper constructs a criterion based on the ratio of the integrals of the positive and negative components of the second derivative of the line-mode voltage. This criterion enables effective fault discrimination by utilizing the characteristic differences in the second-derivative waveform. The proposed criterion allows for precise fault identification, requiring only a 0.5 ms time window to detect faults. Additionally, this criterion is highly resistant to transition resistance, remaining unaffected by resistances up to 500 Ω. Moreover, an entropy-based auxiliary criterion is introduced to prevent false operations caused by noise interference. Simulation results using PSCAD/EMTDC demonstrate that the proposed protection scheme can swiftly and reliably detect faults, with a detection time of 0.5 ms and robust performance against both high transition resistance and noise interference. Full article
(This article belongs to the Special Issue Recent Advances in Power and Smart Grids)
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