Recent Advances and Challenges in Emerging Power Systems: 2nd Edition

A special issue of Inventions (ISSN 2411-5134). This special issue belongs to the section "Inventions and Innovation in Electrical Engineering/Energy/Communications".

Deadline for manuscript submissions: 31 January 2025 | Viewed by 1399

Special Issue Editor


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Special Issue Information

Dear Colleagues,

This Special Issue follows the publication of the first edition of "Recent Advances and Challenges in Emerging Power Systems", consisting of 15 interesting papers.

The continually increasing demand for energy and the pollution caused by the increased generation of electricity using fossil fuels have caused environmental concerns. This has led to the development of renewable energy sources for the generation of electricity and their integration within existing conventional power networks. Differences in the characteristics of the generation of electricity from conventional and renewable energy sources offer challenges, and major restruction in the operation, control, and protection practices of the entire power network is currently taking place to integrate the two in a seamless and efficient manner. It also offers a tremendous opportunity to rejuvenate the practices that have developed over the past 140 years and enhance the entire grid operation, making it more efficient and reliable in light of the newly developed technologies. A large number of investigators in all parts of the world are now working on developing new ideas and schemes from this perspective, and many advances in emerging power systems are being made. The objective of this Special Issue of Inventions is to provide a platform where all researchers can contribute their ideas on the integration of conventional power systems and renewable energy sources for the generation of electricity.

Prof. Dr. Om P. Malik
Guest Editor

Manuscript Submission Information

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Keywords

  • renewable energy sources
  • conventional power networks
  • the integration of conventional and renewable generation
  • the operation, control, and protection of power systems

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Published Papers (2 papers)

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Research

21 pages, 4216 KiB  
Article
Comparative Economic Analysis of Transmission Lines Adopted for Energy-Saving Conductors Considering Life Cycle Cost
by Lanxin Fan, Heng Chen, Shuyuan Zhao and Yinan Wang
Inventions 2024, 9(4), 75; https://doi.org/10.3390/inventions9040075 - 12 Jul 2024
Viewed by 418
Abstract
Transmission lines serve as pivotal equipment within the power system. Conductors, the primary medium for power transmission and distribution, directly influence the construction cost, operational performance, and long-term benefits of transmission line projects. This study first provides a detailed introduction to the life [...] Read more.
Transmission lines serve as pivotal equipment within the power system. Conductors, the primary medium for power transmission and distribution, directly influence the construction cost, operational performance, and long-term benefits of transmission line projects. This study first provides a detailed introduction to the life cycle cost of transmission lines. It utilizes linear regression analysis, the grey model, and the autoregressive integrated moving average model to forecast the electricity sales benefit and quantify the carbon reduction benefits of energy-saving conductors through a methodology. Through the life cycle cost model, we found that operating costs, particularly energy loss costs, dominate the total expenses, accounting for 65% to 66.2%. The JLHA3-425 scheme offers the lowest life cycle cost of 22,891.66 k$. Comparing economic indicators like ENPV, EIRR, and DPP confirmed that the JLHA3-425 medium-strength aluminum alloy stranded wire emerged as the most economically viable option among the evaluated schemes, holding substantial promise for fostering economic and environmental sustainability in electrical power transmission. Full article
(This article belongs to the Special Issue Recent Advances and Challenges in Emerging Power Systems: 2nd Edition)
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17 pages, 5750 KiB  
Article
Development of an MPPT-Based Genetic Algorithm for Photovoltaic Systems versus Classical MPPT Techniques in Scenarios with Partial Shading
by Fernando Marcos de Oliveira, Marcelo Henrique Manzke Brandt, Fabiano Salvadori, José Enrique Eirez Izquierdo, Marco Roberto Cavallari and Oswaldo Hideo Ando Junior
Inventions 2024, 9(3), 64; https://doi.org/10.3390/inventions9030064 - 30 May 2024
Viewed by 748
Abstract
Photovoltaic (PV) systems face challenges in achieving maximum energy extraction due to the non-linear nature of their current versus voltage (IxV) characteristics, which are influenced by temperature and solar irradiation. These factors lead to variations in power generation. The situation becomes [...] Read more.
Photovoltaic (PV) systems face challenges in achieving maximum energy extraction due to the non-linear nature of their current versus voltage (IxV) characteristics, which are influenced by temperature and solar irradiation. These factors lead to variations in power generation. The situation becomes even more complex under partial shading conditions, causing distortion in the characteristic curve and creating discrepancies between local and global maximum power points. Achieving the highest output is crucial to enhancing energy efficiency in such systems. However, conventional maximum power point tracking (MPPT) techniques often struggle to locate the global maximum point required to extract the maximum power from the PV system. This study employs genetic algorithms (GAs) to address this issue. The system can efficiently search for the global maximum point using genetic algorithms, maximizing power extraction from the PV arrangements. The proposed approach is compared with the traditional Perturb and Observe (P&O) method through simulations, demonstrating its superior effectiveness in achieving optimal power generation. Full article
(This article belongs to the Special Issue Recent Advances and Challenges in Emerging Power Systems: 2nd Edition)
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