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Energies, Volume 17, Issue 19

2024 October-1 - 258 articles

Cover Story: Energy transition challenges transportation, prompting a shift to electric machines like motors and generators to reduce emissions. This study focuses on improving efficiency in electric vehicles with limited battery capacity. It explores control strategies to minimize energy loss and enhance performance. The research compares Permanent Magnet Synchronous Motors (PMSMs) and Induction Motors (IMs) using real-time loss measurements during simulated driving cycles. The Energetic Macroscopic Representation (EMR) formalism was used for analysis. Results show significant loss reductions, suggesting the controls effectively improve electric motor efficiency, benefiting the automotive industry. View this paper
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Articles (258)

  • Feature Paper
  • Article
  • Open Access
6 Citations
2,945 Views
24 Pages

Cybersecurity Certification Requirements for Distributed Energy Resources: A Survey of SunSpec Alliance Standards

  • Sean Tsikteris,
  • Odyssefs Diamantopoulos Pantaleon and
  • Eirini Eleni Tsiropoulou

9 October 2024

This survey paper explores the cybersecurity certification requirements defined by the SunSpec Alliance for Distributed Energy Resource (DER) devices, focusing on aspects such as software updates, device communications, authentication mechanisms, dev...

  • Feature Paper
  • Article
  • Open Access
1 Citations
2,209 Views
19 Pages

Modular Microgrid Technology with a Single Development Environment Per Life Cycle

  • Teodora Mîndra,
  • Oana Chenaru,
  • Radu Dobrescu and
  • Lucian Toma

9 October 2024

The life cycle of a microgrid covers all the stages from idea to implementation, through exploitation until the end of its life, with a lifespan of around 25 years. Covering them usually requires several software tools, which can make the integration...

  • Article
  • Open Access
4 Citations
2,549 Views
18 Pages

9 October 2024

Reducing traffic energy consumption is crucial for smart cities, and vehicle carbon emissions are a key energy indicator. Traffic signal control (TSC) is a useful method because it can affect the energy consumption of vehicles on the road by controll...

  • Article
  • Open Access
2 Citations
1,962 Views
16 Pages

9 October 2024

Energy management in enterprises is an important issue in the context of improving energy efficiency, energy use, and energy consumption. This is consistent with the Sustainable Development Goals. The purpose of this study was to evaluate the energy...

  • Article
  • Open Access
5 Citations
3,519 Views
19 Pages

9 October 2024

Solar photovoltaic (PV) systems are growing rapidly as a renewable energy source. Evaluating the performance of a PV system based on local weather conditions is crucial for its adoption and deployment. However, the current IEC 61724 standard, used fo...

  • Article
  • Open Access
1 Citations
2,262 Views
16 Pages

LCCO2 Assessment and Fertilizer Production from Absorbed-CO2 Solid Matter in a Small-Scale DACCU Plant

  • Tianjiao Cheng,
  • Takeji Hirota,
  • Hiroshi Onoda and
  • Andante Hadi Pandyaswargo

9 October 2024

This study investigates a novel method of utilizing Direct Air Capture (DAC) technology for fertilizer production. Unlike traditional Direct Air Carbon Capture and Utilization (DACCU) technologies, Direct Air Carbon Capture for Fertilizers (FDAC) has...

  • Article
  • Open Access
1 Citations
1,233 Views
12 Pages

Influence of Reaction Conditions on the Yield of Supercritical Multicomponent Thermal Fluids

  • Wei Zhang,
  • Zhilin Qi,
  • Jie Tian,
  • Fang Xu,
  • Deyu Kong,
  • Mingda Dong,
  • Shenyao Yang and
  • Wende Yan

9 October 2024

Supercritical multicomponent thermal fluid (scMCTF) is a novel medium with great potential for heavy oil thermal recovery. The production rate of scMCTF will affect the injection efficiency of thermal fluid, and then affect the development effect of...

  • Article
  • Open Access
4 Citations
2,208 Views
11 Pages

9 October 2024

With increasing efforts to lower CO2 emissions globally, the demand for carbon-based resources in industries remains on a high level, leading to new technologies being able to provide those essential carbon sources. To the best of our knowledge, we w...

  • Article
  • Open Access
2 Citations
2,196 Views
19 Pages

8 October 2024

Radiative natural convection is of vital importance in the process of energy storage, power generation, and thermal storage technology. As the attenuation coefficients of many heat transfer media in these fields are high enough to be considered as op...

  • Article
  • Open Access
2,095 Views
26 Pages

Analysis of Optimal HVDC Back-to-Back Placement Based on Composite System Reliability

  • Nanang Hariyanto,
  • Niko B. Simamora,
  • Kevin M. Banjar-Nahor and
  • Hendry Timotiyas Paradongan

8 October 2024

HVDC is a promising interconnection solution for connecting asynchronous systems and ensuring power control. In Indonesia, a remote industrial system in Sumatra is experiencing load growth and has the option to draw power from the Sumatra system. How...

  • Feature Paper
  • Review
  • Open Access
6 Citations
4,257 Views
33 Pages

Literature Review on Thermodynamic and Kinetic Limitations of Thermal Decomposition of Methane

  • Andrzej Mianowski,
  • Mateusz Szul,
  • Tomasz Radko,
  • Aleksander Sobolewski and
  • Tomasz Iluk

8 October 2024

The state of the art in methane pyrolysis does not yet provide a definitive answer as to whether the concept of an elementary reaction is universally applicable to the apparently simple process of methane dissociation. Similarly, the literature curre...

  • Article
  • Open Access
5 Citations
1,632 Views
17 Pages

Bidding Strategy for the Alliance of Prosumer Aggregators in the Distribution Market

  • Chunyi Wang,
  • Jiawei Xing,
  • Yuejiao Wang,
  • Jing Xu,
  • Zhixin Fu,
  • Benjie Xu and
  • Haoming Liu

8 October 2024

Photovoltaic energy storage system (PV-ESS) prosumer aggregators are characterized by a large number but small scale in the distribution system and are not competitive enough to participate in market transactions. For this reason, a prosumer aggregat...

  • Feature Paper
  • Article
  • Open Access
5 Citations
2,325 Views
17 Pages

Analysis of Electricity Supply and Demand Balance in Residential Microgrids Integrated with Micro-CAES in Northern Portugal

  • Jan Markowski,
  • Jacek Leszczyński,
  • Paula Fernanda Varandas Ferreira,
  • Géremi Gilson Dranka and
  • Dominik Gryboś

8 October 2024

As global energy demand continues to rise, integrating renewable energy sources (RES) into power systems has become increasingly important. However, the intermittent nature of RES, such as solar and wind, presents challenges for maintaining a stable...

  • Article
  • Open Access
2 Citations
1,666 Views
18 Pages

Solar Chimney Operation Variant

  • Marta Gortych,
  • Zygmunt Lipnicki,
  • Tomasz Małolepszy and
  • Piotr Grabas

8 October 2024

This paper presents a solar chimney that acts as a heat accumulator. It is based on its alternating charging (melting of the phase change material—PCM) and discharging (solidification), which helps to save energy and ensures stable operation of...

  • Review
  • Open Access
15 Citations
7,003 Views
28 Pages

Heat Transfer Performance Factors in a Vertical Ground Heat Exchanger for a Geothermal Heat Pump System

  • Khaled Salhein,
  • C. J. Kobus,
  • Mohamed Zohdy,
  • Ahmed M. Annekaa,
  • Edrees Yahya Alhawsawi and
  • Sabriya Alghennai Salheen

8 October 2024

Ground heat pump systems (GHPSs) are esteemed for their high efficiency within renewable energy technologies, providing effective solutions for heating and cooling requirements. These GHPSs operate by utilizing the relatively constant temperature of...

  • Article
  • Open Access
6 Citations
5,327 Views
25 Pages

8 October 2024

This scientometric study looks at the current trend in thermoelectric materials research and explores the evolving domain of thermoelectric materials research using a combination of bibliometric and scientometric methodologies. The analysis examines...

  • Article
  • Open Access
2 Citations
1,524 Views
16 Pages

8 October 2024

Accurate monitoring of lithium-ion battery temperature is essential to ensure these batteries’ efficient and safe operation. This paper proposes a relevance-based reconstruction-oriented EMD-Informer machine learning model, which combines empirical m...

  • Feature Paper
  • Review
  • Open Access
36 Citations
7,559 Views
35 Pages

Geochemistry in Geological CO2 Sequestration: A Comprehensive Review

  • Jemal Worku Fentaw,
  • Hossein Emadi,
  • Athar Hussain,
  • Diana Maury Fernandez and
  • Sugan Raj Thiyagarajan

8 October 2024

The increasing level of anthropogenic CO2 in the atmosphere has made it imperative to investigate an efficient method for carbon sequestration. Geological carbon sequestration presents a viable path to mitigate greenhouse gas emissions by sequesterin...

  • Correction
  • Open Access
800 Views
1 Page

Correction: Ebner et al. Photovoltaic Roofing for Motorways and Other High-Ranking Road Networks: Technical Feasibility, Yield Estimation, and Final Demonstrator. Energies 2024, 17, 3991

  • Rita Ebner,
  • Christoph Mayr,
  • Marcus Rennhofer,
  • Karl A. Berger,
  • Martin Heinrich,
  • Felix Basler,
  • Andreas J. Beinert,
  • Jonas D. Huyeng,
  • Manfred Haider and
  • Tobias Beck
  • + 3 authors

8 October 2024

In the published publication [...]

  • Article
  • Open Access
4 Citations
2,110 Views
16 Pages

8 October 2024

To monitor temperature as a function of varying inductance and resistance, we propose a data-driven digital twin approach for the rapid and efficient real-time estimation of the rotor temperature in an induction motor. By integrating differential equ...

  • Article
  • Open Access
2 Citations
1,855 Views
18 Pages

Two-Stage Optimization Model Based on Neo4j-Dueling Deep Q Network

  • Tie Chen,
  • Pingping Yang,
  • Hongxin Li,
  • Jiaqi Gao and
  • Yimin Yuan

8 October 2024

To alleviate the power flow congestion in active distribution networks (ADNs), this paper proposes a two-stage load transfer optimization model based on Neo4j-Dueling DQN. First, the Neo4j graph model was established as the training environment for D...

  • Feature Paper
  • Article
  • Open Access
6 Citations
1,695 Views
21 Pages

8 October 2024

In view of the increasing environmental challenges and the growing demand for sustainable energy solutions, the optimization of microgrid systems with regard to economic efficiency and environmental compatibility is becoming ever more important. This...

  • Article
  • Open Access
1,950 Views
21 Pages

Heating Energy Performance Gap in Vulnerable Households: Identification and Impact of Associated Variables

  • Sebastián Seguel-Vargas,
  • Carlos Rubio-Bellido,
  • Lucía Pereira-Ruchansky and
  • Alexis Pérez-Fargallo

8 October 2024

Reducing energy consumption in the construction sector is urgently needed. In Chile, where income distribution is unequal and the cost of energy is high, energy demand is seriously affected, especially in vulnerable households. Hence, it is essential...

  • Article
  • Open Access
2 Citations
2,131 Views
11 Pages

8 October 2024

In the context of modern power systems, the reliance on a single-time-of-use electricity pricing model presents challenges in managing electric vehicle (EV) charging in a way that can effectively accommodate the variable supply and demand patterns, p...

  • Article
  • Open Access
4 Citations
1,567 Views
14 Pages

7 October 2024

Icing is a popular research area in wind energy, and the icing problem of the supercooled droplet–ice crystal mixed-phase condition is one of the new challenges. A numerical method for analyzing the icing characteristics of wind turbine airfoil...

  • Article
  • Open Access
1 Citations
1,749 Views
16 Pages

7 October 2024

To improve the voltage regulation of asynchronous generators during load switching, a Lyapunov-based control strategy has been proposed to stabilize the generator’s voltage by connecting a static synchronous compensator. By constructing a Lyapu...

  • Article
  • Open Access
3 Citations
2,675 Views
15 Pages

Energy Flux Method for Wave Energy Converters

  • Gabriel Thomas Scarlett,
  • James Cameron McNatt,
  • Alan Henry and
  • Abel Arredondo-Galeana

6 October 2024

Hydrodynamic tools reveal information as to the behaviour of a device in the presence of waves but provide little information on how to improve or optimise the device. With no recent work on the transfer of power (energy flux) from a wave field throu...

  • Article
  • Open Access
4 Citations
2,105 Views
15 Pages

6 October 2024

Shale gas, mainly consisting of adsorbed gas and free gas, has served a critical role of supplying the growing global natural gas demand in the past decades. Considering that the adsorbed methane has contributed up to 80% of the total gas in place (G...

  • Article
  • Open Access
4 Citations
1,589 Views
20 Pages

6 October 2024

The integration of renewable energy sources and distributed energy storage systems increasingly complicates the operation of distribution networks, while stringent carbon reduction targets demand low-carbon operational strategies. To address these co...

  • Feature Paper
  • Review
  • Open Access
20 Citations
4,885 Views
43 Pages

6 October 2024

Today’s increasingly complex energy systems require innovative approaches to integrate and optimize different energy sources and technologies. In this paper, we explore the system of systems (SoS) approach, which provides a comprehensive framew...

  • Article
  • Open Access
2,020 Views
16 Pages

Energy Security and Women’s Empowerment: A Generalized Method of Moments Approach from a Global Perspective

  • Masahina Sarabdeen,
  • A. C. Muhammadu Kijas,
  • Fatma Mabrouk,
  • Jawaher Binsuwadan and
  • Hawazen Zam Almugren

6 October 2024

The importance of energy security is emphasized in Goal 7 of the 17 Sustainable Development Goals (SDGs) of the 2030 Agenda to guarantee that everyone has affordable, dependable, and contemporary energy access. In addition to transforming human life,...

  • Article
  • Open Access
3 Citations
3,619 Views
17 Pages

Study on the Economic Operation of a 1000 MWe Coal-Fired Power Plant with CO2 Capture

  • Jinning Yang,
  • Chaowei Wang,
  • Dong Xu,
  • Xuehai Yu,
  • Yang Yang,
  • Zhiyong Wang and
  • Xiao Wu

5 October 2024

The flexible operation of carbon capture units is crucial for the economic performance of coal-fired power plants equipped with CO2 capture systems. This paper aims to investigate the impact of electricity, CO2, and fuel prices on the economic operat...

  • Article
  • Open Access
13 Citations
1,882 Views
25 Pages

A Novel Hybrid Harris Hawk Optimization–Sine Cosine Algorithm for Congestion Control in Power Transmission Network

  • Vivek Kumar,
  • R. Narendra Rao,
  • Md Fahim Ansari,
  • Vineet Shekher,
  • Kaushik Paul,
  • Pampa Sinha,
  • Abdulaziz Alkuhayli,
  • Usama Khaled and
  • Mohamed Metwally Mahmoud

5 October 2024

In a deregulated power system, managing congestion is crucial for effective operation and control. The goal of congestion management is to alleviate transmission line congestion while adhering to system constraints at minimal cost. This research prop...

  • Article
  • Open Access
2 Citations
1,986 Views
18 Pages

Software for CO2 Storage in Natural Gas Reservoirs

  • Cristian Nicolae Eparu,
  • Silvian Suditu,
  • Rami Doukeh,
  • Doru Bogdan Stoica,
  • Iuliana Veronica Ghețiu,
  • Alina Prundurel,
  • Ioana Gabriela Stan and
  • Liviu Dumitrache

5 October 2024

The paper presents a simulation-based approach for optimizing CO2 injection into depleted gas reservoirs, with the goal of enhancing underground CO2 storage. The research employs a two-dimensional dynamic reservoir model, developed using Darcy’...

  • Review
  • Open Access
21 Citations
7,288 Views
28 Pages

Environmental Impacts and Contaminants Management in Sewage Sludge-to-Energy and Fertilizer Technologies: Current Trends and Future Directions

  • Anna Grobelak,
  • Klaudia Całus-Makowska,
  • Anna Jasińska,
  • Marek Klimasz,
  • Aleksandra Wypart-Pawul,
  • Dominika Augustajtys,
  • Estera Baor,
  • Daria Sławczyk and
  • Aneta Kowalska

5 October 2024

The increasing focus on sustainability and the circular economy has brought waste-to-energy technologies to the forefront of renewable energy research. However, the environmental impacts and management of contaminants associated with these technologi...

  • Article
  • Open Access
4 Citations
2,801 Views
19 Pages

5 October 2024

This work presents a comprehensive model for lignocellulosic biomass pyrolysis, addressing kinetics, energy balances, and gas product composition with the aim of its application in wood combustion. The model consists of a two-stage global mechanism i...

  • Feature Paper
  • Review
  • Open Access
5 Citations
6,826 Views
24 Pages

5 October 2024

Aerogels, characterized by their exceptional porosity, vast specific surface areas, minimal density, and unparalleled thermal insulation capabilities, have become a focal point of attention in the energy sector over the past decade, particularly in t...

  • Article
  • Open Access
5 Citations
1,474 Views
15 Pages

Sensorless DFIG System Control via an Electromagnetic Torque Based on MRAS Speed Estimator

  • Abdelbadia Lama,
  • Hicham Serhoud and
  • Mohamed Toufik Benchouia

5 October 2024

The main goals of this research are to develop a method for obtaining the rotor position and speed in a doubly fed induction generator (DFIG) without using sensors in a variable-speed wind turbine installation. The considered method is based on the M...

  • Article
  • Open Access
3 Citations
2,013 Views
23 Pages

5 October 2024

Transport energy demand (TED) forecasting is a crucial issue for countries like Turkey that are dependent on external resources. The accuracy and effectiveness of these forecasts are extremely important, especially for the strategies and plans to be...

  • Article
  • Open Access
5 Citations
2,510 Views
27 Pages

5 October 2024

This study addresses the challenge of optimizing flat-plate solar collector design, traditionally reliant on trial-and-error and simplified engineering design methods. We propose using physics-informed neural networks (PINNs) to predict optimal desig...

  • Review
  • Open Access
4 Citations
2,798 Views
55 Pages

4 October 2024

Some of the issues concerning energy security and climate change can be addressed by employing nuclear power (NP) to supply the energy required for the conversion of carbon dioxide (CO2) into chemicals, products, and materials. Nuclear energy represe...

  • Article
  • Open Access
1,463 Views
20 Pages

4 October 2024

Performing reliable calculations of power system dynamics requires accurate models of generating units. To be able to determine the parameters of the models with the required precision, a well-defined testing procedure is used to record various unit...

  • Article
  • Open Access
2 Citations
1,970 Views
14 Pages

Analysis of the Arc Quenching System of an Arrester Operation Based on a Flow Ultrasound Generator

  • Matvey I. Apolinskiy,
  • Vladimir Ya. Frolov,
  • Alexander D. Sivaev and
  • Evgeniy Y. Enkin

4 October 2024

Flow ultrasound generators are devices that emit high-frequency sound waves due to the hydrodynamic instability of the supersonic flow. In the electric power industry, such generators are used in arc quenching systems of high-voltage gas blast circui...

  • Article
  • Open Access
2 Citations
1,831 Views
22 Pages

Comprehensive Comparison of Physical and Behavioral Approaches for Virtual Prototyping and Accurate Modeling of Three-Phase EMI Filters

  • Simone Negri,
  • Giordano Spadacini,
  • Flavia Grassi,
  • Piotr Lezynski,
  • Robert Smolenski and
  • Sergio Amedeo Pignari

4 October 2024

This paper addresses and compares the modeling of typical EMI filters used in three-phase power equipment obtained through two different approaches, namely, physical and behavioral. Firstly, an innovative physical EMI filter modeling procedure is pre...

  • Article
  • Open Access
2 Citations
2,100 Views
23 Pages

Applying Circular Thermoeconomics for Sustainable Metal Recovery in PCB Recycling

  • Jorge Torrubia,
  • César Torres,
  • Alicia Valero,
  • Antonio Valero,
  • Ashak Mahmud Parvez,
  • Mohsin Sajjad and
  • Felipe García Paz

4 October 2024

The momentum of the Fourth Industrial Revolution is driving increased demand for certain specific metals. These include copper, silver, gold, and platinum group metals (PGMs), which have important applications in renewable energies, green hydrogen, a...

  • Article
  • Open Access
1,805 Views
22 Pages

Conceptual Design Study of a Coffee Stem Gasification Scheme in the Context of a Biorefinery

  • Camilo Andrés Guerrero-Martin,
  • Leyder Alejandro Prieto-Moreno,
  • Jaime Eduardo Arturo-Calvache,
  • Stefanny Camacho-Galindo,
  • Laura Estefanía Guerrero-Martin,
  • William Alberto Guerrero,
  • Oswaldo Hideo Ando Junior,
  • John Carlos Arevalo and
  • Elizabete Fernandes Lucas

4 October 2024

A conceptual design of coffee stem biomass gasification was developed using the Aspen Plus process simulator, which was analyzed based on energy criteria such as the lower heating value of the produced synthesis gas and cold gas efficiency. The resul...

  • Article
  • Open Access
3 Citations
1,351 Views
12 Pages

4 October 2024

The installed capacity of photovoltaic (PV) systems has increased significantly over the past few decades, and related technologies have advanced significantly. The electrical characteristics of a PV system change nonlinearly based on irradiation and...

  • Feature Paper
  • Review
  • Open Access
10 Citations
7,877 Views
26 Pages

4 October 2024

Silicon anodes, which exhibit high theoretical capacity and very low operating potential, are promising as anode candidates that can satisfy the conditions currently required for secondary batteries. However, the low conductivity of silicon and the a...

  • Article
  • Open Access
1 Citations
1,726 Views
25 Pages

4 October 2024

Recent advancements in cryogenic etching, characterized by high aspect ratios and etching rates, address the growing demand for enhanced performance and reduced power consumption in electronics. To precisely maintain the temperature under high loads,...

  • Article
  • Open Access
2 Citations
2,051 Views
19 Pages

Start-Up and Fault-Ride-Through Strategy for Offshore Wind Power via DRU-HVDC Transmission System

  • Yiting Zhang,
  • Wenjiang Zhu,
  • Cheng Tang,
  • Ni Liu,
  • Sinan Li and
  • Hong Wang

4 October 2024

The diode-rectifier unit (DRU)-based high-voltage direct current (HVDC) transmission system offers an economical solution for offshore wind power transmission. However, this approach requires offshore wind farms to establish a strong grid voltage. To...

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Energies - ISSN 1996-1073