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Electricity, Volume 6, Issue 2

2025 June - 19 articles

Cover Story: The article addresses the topic of load forecasting in electrical systems. This issue is closely tied to energy security, particularly in a context where energy systems are becoming increasingly complex to manage, due to the growing integration of variable resources, evolving consumption patterns, and the need for real-time operational flexibility. Actual electrical systems are facing mounting challenges that demand more sophisticated forecasting and control strategies. The work shows how, starting from available data, highly accurate electricity demand forecasts of the Italian system can be obtained using a specific Machine Learning algorithm. It highlights how data-driven methods have progressively outperformed traditional physics-based models, while noting that further improvements will likely require integrating physical elements. View this paper 
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Articles (19)

  • Article
  • Open Access
3 Citations
2,268 Views
34 Pages

Power systems need to meet the ever-increasing demand for higher quality and reliability of electricity in distribution systems while remaining sustainable, secure, and economical. The globe is moving toward using renewable energy sources to provide...

  • Article
  • Open Access
2 Citations
2,146 Views
18 Pages

As renewable energy penetration and extreme weather events increase, accurately predicting power system behavior is essential for reducing risks and enabling timely interventions. This study presents a physics-informed learning approach to forecast t...

  • Article
  • Open Access
4 Citations
2,781 Views
31 Pages

The growing integration of photovoltaic (PV) energy systems and electric vehicles (EVs) introduces new challenges in managing energy flow within smart grid environments. The intermittent nature of solar energy and the variable charging demands of EVs...

  • Review
  • Open Access
2,619 Views
30 Pages

In the future, higher penetrations of electrical loads in low-voltage distribution grids are to be expected. To prevent grid overload, a possible solution is coordination of controllable loads. Typical examples might be charging of electric vehicles...

  • Article
  • Open Access
2 Citations
3,330 Views
23 Pages

Balancing electricity production and distribution remains a central challenge in modern energy systems, especially with the increasing penetration of renewable sources that introduce variability and uncertainty. In this context, accurate forecasting...

  • Article
  • Open Access
2 Citations
1,608 Views
18 Pages

Advanced Multivariate Models Incorporating Non-Climatic Exogenous Variables for Very Short-Term Photovoltaic Power Forecasting

  • Isidro Fraga-Hurtado,
  • Julio Rafael Gómez-Sarduy,
  • Zaid García-Sánchez,
  • Hernán Hernández-Herrera,
  • Jorge Iván Silva-Ortega and
  • Roy Reyes-Calvo

This study explores advanced multivariate models that incorporate non-climatic exogenous variables for very short-term photovoltaic energy forecasting. By integrating historical energy data from multiple photovoltaic plants, the research aims to impr...

  • Article
  • Open Access
2 Citations
3,657 Views
23 Pages

Decoding Harmonics: Total Harmonic Distortion in Solar Photovoltaic Systems with Integrated Battery Storage

  • Johana-Alejandra Arteaga,
  • Yuri Ulianov López,
  • Jesús Alfonso López and
  • Johnny Posada

This paper analyzes the power quality in a 400 kWp grid-connected solar photovoltaic system with storage (BESS), considering standards IEEE Std 519TM, IEEE Std 1159TM, and IEC 61000-4-30. For system analysis, a photovoltaic array model is developed....

  • Article
  • Open Access
1 Citations
2,369 Views
17 Pages

This article is devoted to the determination of the average daily electric load and the average electric load during the hours of maximum load, taking into account the generalized coefficient Ai, using data on electricity consumption for apartment bu...

  • Article
  • Open Access
2 Citations
1,453 Views
16 Pages

Noise Effects on Detection and Localization of Faults for Unified Power Flow Controller-Compensated Transmission Lines Using Traveling Waves

  • Javier Rodríguez-Herrejón,
  • Enrique Reyes-Archundia,
  • Jose A. Gutiérrez-Gnecchi,
  • Marcos Gutiérrez-López and
  • Juan C. Olivares-Rojas

This paper presents a comprehensive analysis of the effects of noise on the detection and localization of faults in transmission lines compensated with a unified power flow controller using traveling wave-based methods. This study focuses on the impa...

  • Article
  • Open Access
1 Citations
2,067 Views
29 Pages

Experimental Determination of a Spoke-Type Axial-Flux Permanent Magnet Motor’s Lumped Parameters

  • Andre Mrad,
  • Jean-François Llibre,
  • Yvan Lefèvre and
  • Mohamad Arnaout

This study focuses on the experimental determination of the lumped parameters of a Spoke-Type Axial-Flux Permanent Magnet (STAFPM) motor. This type of motor offers high specific torque and is well-suited for transportation applications. The studied S...

  • Review
  • Open Access
7 Citations
3,597 Views
29 Pages

A Review of the Key Factors Influencing the Performance of Photovoltaic Installations in an Urban Environment

  • Katerina G. Gabrovska-Evstatieva,
  • Dimitar T. Trifonov and
  • Boris I. Evstatiev

The successful integration of photovoltaic (PV) generators in cities requires careful planning that accounts for possible factors influencing their operation. Numerous authors have extensively studied these factors; however, the urban environment has...

  • Article
  • Open Access
3 Citations
1,750 Views
19 Pages

The rapid proliferation of renewable energy sources (RESs) has significantly reduced system inertia, thereby intensifying stability challenges in modern power grids. To address these issues, this study proposes a comprehensive approach to improve the...

  • Article
  • Open Access
2 Citations
1,723 Views
24 Pages

This paper discusses the operation and control of a low-voltage DC (LVDC) isolated distribution network powered by distributed generation (DG) from a variable-speed wind turbine induction generator (WTIG) to supply unbalanced AC loads. The system inc...

  • Article
  • Open Access
3,063 Views
31 Pages

This research evaluates the economic feasibility of implementing smart metering (SM) systems in Peruvian electricity distribution companies, prioritizing the maximization of the benefit–cost ratio (BCR). Seven communication architectures were a...

  • Article
  • Open Access
1 Citations
1,075 Views
14 Pages

A Real Data-Driven Fault Diagnosing Method for Distribution Networks Based on ResBlock-CBAM-CNN

  • Yuhai Yao,
  • Hao Ma,
  • Cheng Gong,
  • Yifei Li,
  • Qiao Zhao,
  • Ning Wei and
  • Bin Yang

Power distribution systems frequently encounter various fault-causing events. Thus, prompt and accurate fault diagnosis is crucial for maintaining system stability and safety. This study presents an innovative residual block-convolutional block atten...

  • Article
  • Open Access
1 Citations
2,267 Views
30 Pages

The allocation and sizing of electrical substations are critical for the efficient planning and expansion of distribution networks. This study presents the application of an enhanced Black Widow Algorithm (BWA) to solve this complex problem, consider...

  • Article
  • Open Access
3 Citations
2,229 Views
24 Pages

Microgrid Multivariate Load Forecasting Based on Weighted Visibility Graph: A Regional Airport Case Study

  • Georgios Vontzos,
  • Vasileios Laitsos,
  • Dimitrios Bargiotas,
  • Athanasios Fevgas,
  • Aspassia Daskalopulu and
  • Lefteri H. Tsoukalas

This paper introduces an alternative forecasting approach that leverages the application of visibility graphs in the context of multivariate energy forecasting for a regional airport, which incorporates energy demand of diverse types of buildings and...

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Electricity - ISSN 2673-4826