6.821 hasil
Menampilkan 1–20 · 0,32 detik · RSS
Frontiers in Energy Research
Scopus
ISSN 2296-598X · Frontiers Media S.A. · 6.821 artikel di indeks
-
Artikel Jurnal
Research on optimization configuration of distributed power flow controllers in distribution networks with distributed photovoltaics
IntroductionThis study aims to optimize the location and capacity determination of distributed power flow controllers, in order to enhance the safety and stability of power grid operation and reduce operational costs.MethodsFirstly, the concept of weighted power flow entropy is introduced to…
-
Artikel Jurnal
A comprehensive assessment method for the development level of power transition and its application under different regional development measures: a study based on Entropy Weight TOPSIS
To accurately assess the transformation process of China’s power sector, this study addresses the limitations of existing literature, which primarily focuses on macro-level or single-dimensional evaluations while neglecting regional disparities. This study constructs a power transition development…
-
Artikel Jurnal
Measuring labor productivity dynamics in U.S. industrial and electric power sectors: a case study (2014–2023)
This study proposes a subsystem methodology for measuring labor productivity in the U.S. industrial and electric power sectors by leveraging public data available between 2014 and 2023. Building on Pasinetti’s framework and subsequent developments, the approach employs Vertically Integrated Sectors…
-
Artikel Jurnal
Coordinated voltage support strategy for heterogeneous reactive power resources in high wind power-penetrated systems
In power systems with high-penetration wind farms (WFs) connected to a weak grid, insufficient system voltage support can lead to severe transient low/overvoltages under grid faults. This can cause cascading wind turbine disconnections and, in severe cases, voltage collapse. Deploying distributed…
-
Artikel Jurnal
Design and dynamic response analysis of a novel 15 MW tension leg platform floating offshore wind turbine
With the expansion of offshore wind energy into deeper waters, Tension Leg Platforms (TLPs) have emerged as a promising substructure solution for large-scale Floating Offshore Wind Turbines (FOWT) due to their inherent motion stability. This study presents a comprehensive dynamic response analysis…
-
Artikel Jurnal
Identification of unknown crack defects in wind turbine main shafts based on acoustic signature and multi-scale convolutional neural networks
IntroductionWind turbine main shaft crack detection is crucial for operational safety and maintenance planning. Conventional feature based diagnosis generalizes poorly to complex or unseen cracks, and deep learning is constrained by scarce and imbalanced defect data. This study proposes an acoustic…
-
Artikel Jurnal
Development of hydrogen energy and estimation of policy subsidy intensity: a benchmarking analysis based on wind and solar energy development
As the main driving forces of renewable energy, wind and photovoltaic power have important reference value for the emerging hydrogen energy industry in aspects such as policy guidance, technological innovation, and market cultivation. As a zero-carbon energy carrier, hydrogen energy can not only…
-
Artikel Jurnal
An approach to model and method for current pattern mining for electricity consumption
Many studies of intelligent electricity must ascertain the running state of appliances/devices based on the electricity situation of users. In this article, we present the current pattern-based appliance running state identification model (CPARSIM) to identify the running states of appliances based…
-
Artikel Jurnal
Research on operational flexibility and energy consumption characteristics of cogeneration considering primary network heat transfer constraints
High back pressure cogeneration units demonstrate superior energy utilization efficiency, but their operation is significantly influenced by primary network water temperature and flow rate. The analysis of operational flexibility and energy consumption characteristics must consider the heat…
-
Artikel Jurnal
Optimal power extraction and voltage regulation in standalone photovoltaic system
IntroductionReliable electricity in remote regions requires standalone photovoltaic (SAPV) systems, which operate without grid support. However, solar energy fluctuation due to irradiance and temperature significantly affects power generation. Maximum Power Point Tracking (MPPT) techniques are…
-
Artikel Jurnal
Subsurface gas storage in porous reservoirs: a comparison of working gas capacity, deliverability and production between hydrogen and natural gas
The energy transition is a long-term strategy dedicated to achieving carbon neutrality in Germany by 2045. This process includes the development of renewably generated electricity from wind and solar power. As these energy sources are dependent on weather conditions, imbalances in availability and…
-
Artikel Jurnal
A PRC-PI APF control method for improving power quality and harmonic suppression in substations
IntroductionNonlinear loads in substations cause current distortion, increased harmonics, and reactive power, leading to power quality degradation and energy inefficiency. Traditional PI control lacks steady-state accuracy for AC signals, while conventional repetitive control (RC) suffers from slow…
-
Artikel Jurnal
Computational optimization of unglazed double skin transpired solar collectors on building facades
Efficient thermal energy collector systems are vital to minimize heating demands and promote sustainable energy systems. One such system that utilizes solar energy and converts it into useful heat is transpired solar collectors (TSCs). These systems are typically integrated into building facades to…
-
Artikel Jurnal
Automated power line recognition and 3D reconstruction for intelligent grid monitoring
Monitoring and management of power line corridors are essential for ensuring the safe and reliable operation of power transmission systems. Traditional manual inspection methods are not only inefficient but also pose significant safety risks, while certain existing automated approaches suffer from…
-
Artikel Jurnal
Wide-frequency oscillation suppression strategy for grid-connected photovoltaic systems based on WOA-BP optimization of VSG parameters
The integration of a high proportion of renewable energy and power electronic devices in new power systems can trigger wide-frequency oscillation issues. Grid-forming devices, which have the capability to actively form the grid and provide inertia support, have become an important method to address…
-
Artikel Jurnal
Benchmark model of the DC sending-end system with high-penetration renewable energy for voltage stability analysis
IntroductionWith the increasing integration of renewable energy, the power grid is gradually facing multi-mode voltage stability problems, especially at the DC sending end. Thus, there is an urgent need to meet the voltage security and stability requirements of the DC sending-end power grid under…
-
Artikel Jurnal
Dynamic life cycle assessment of NdFeB magnet production – case for carbon emission intensity
NdFeB magnets are critical to many clean energy applications, such as electric vehicles and wind turbines. However, neodymium and other rare earth (RE) elements used in NdFeB magnets carry considerable environmental burdens (including carbon footprint) owing to direct emissions as well as intense…
-
Artikel Jurnal
The effect of renewable energy, gender inequality, human capital, and FDI inflows on sustainable economic growth: an analysis of BRICS countries
Sustainable economic growth is one of the main pillars of sustainable development, together with the environment and society. Therefore, unveiling the factors behind sustainable economic growth is vital for the design of economic, educational, and social policies. This study investigates the role…
-
Artikel Jurnal
Research on analysis methods for overlapping interference of gas spectral lines in laser photoacoustic spectroscopy
Laser photoacoustic spectroscopy is employed to measure dissolved gases in transformer oil, which include C2H2, C2H4, C2H6, CH4, CO2 and CO. The wavelength of 1532.83 nm was selected as the absorption line for C2H2. However, near this wavelength, the absorption line of CO2 also appears, causing a…
-
Artikel Jurnal
Optimizing the operation of fuel cell vehicle-to-grid systems using supervised learning
The operation of fuel cell electric vehicle-to-grid (FCEV2G) stations presents a significant challenge due to the need to manage onsite hydrogen production, storage, and vehicle dispatch in volatile electricity markets. While mixed-integer linear programming (MILP) can determine the theoretically…
Menampilkan maksimal 50 halaman. Persempit pencarian dengan filter untuk hasil yang lebih spesifik.