Results 51 to 60 of about 70,736 (215)

Partial discharge fault identification method for GIS equipment based on improved deep learning

The Journal of Engineering
Aiming at the problems of large consumption of computational resources and insufficient data feature extraction in the current partial discharge fault identification process of GIS equipment, a partial discharge fault identification method of GIS ...
Weitao Hu, Jianpeng Li, Xiaofei Liu, Guang Li   +3 more
doaj   +1 more source

Optimization of the long-term planning of supply chains with decaying performance [PDF]

, 2016
This master's thesis addresses the optimization of supply and distribution chains considering the effect that equipment aging may cause over the performance of facilities involved in the process.
Somoza Tornos, Ana
core  

Time‐Domain Geoelectrical Modeling and Experimental Validation of Ground Potential Rise in Multilayer Soil Structures during Fault Events

Energy Science &Engineering, EarlyView.
This study develops a time‐domain geoelectrical model of ground potential rise (GPR) in multilayer soil that couples electromagnetic field theory with nonlinear fault arc resistance. Finite‐element simulations calibrated against scaled fault‐injection experiments reproduce measured GPR and step/touch voltages within 4.7% error, revealing that steady ...
Wulfran Fendzi Mbasso, Ambe Harrison, Idriss Dagal, Mohamed Metwally Mahmoud, Kenfack Saatong Tsobze, Pradeep Jangir, Muhammad Suhail Shaikh, Aseel Smerat   +7 more
wiley   +1 more source

Research on safety and energy efficiency monitoring technology for substation power system based on load holography perception

AIP Advances
Substations are an important component of the power grid, and their energy consumption and operational reliability are crucial for the safe and stable operation of the power grid.
Yong Li, Jing Guo, Yanhu He, Runming He
doaj   +1 more source

A Method for Separating Multisource Partial Discharges in a Substation Based on Selected Bispectra of UHF Signals

Applied Sciences, 2020
A method for separating multisource partial discharges (PDs) in a substation is proposed based on selected bispectra of ultrahigh frequency (UHF) electromagnetic waves. Bispectra are sensitive to Gaussian noises and processes of symmetrical distribution.
Zhimin He, Huijuan Hou, Yiming Zang, Gehao Sheng, Xiuchen Jiang   +4 more
doaj   +1 more source

A Full AC Time‐Series Analysis of Photovoltaic Hosting Capacity in Niger's Grid

Energy Science &Engineering, EarlyView.
Methodological framework for PV hosting capacity assessment. ABSTRACT The integration of solar photovoltaic (PV) systems into sub‐Saharan African distribution grids presents a transformative opportunity to enhance energy access and sustainability. However, accurately quantifying the hosting capacity (HC), the maximum PV power that can be accommodated ...
Hamza Abarchi Halarou, Yacouba Moumouni, Bonkaney Abdou Latif, Abdoulaye Moussa Falmata, Amadou Oumarou Fati, Madougou Saidou   +5 more
wiley   +1 more source

Optimized early detection of aquatic invasive species using a community rarity index

Ecological Solutions and Evidence
Following their introduction, invasive species management is most successful and cost‐effective when new invaders are detected while still rare. Given the low capture probability for extremely rare species, early detection programmes for aquatic invasive
Eric D. Huber, Gregory Wright, Jason L. Fischer, Janine Lajavic, Kristen Towne   +4 more
doaj   +1 more source

Evaluating Distributed Time-Varying Generation Through a Multiobjective Index [PDF]

, 2008
In the last decade, distributed generation, with its various technologies, has increased its presence in the energy mix presenting distribution networks with challenges in terms of evaluating the technical impacts that require a wide range of network ...
Harrison, Gareth, Ochoa, L. F., Padilha-Feltrin, A.   +2 more
core   +2 more sources

Multivariate Tests for Comparing Lifetimes of Parallel Systems

Quality and Reliability Engineering International, EarlyView.
ABSTRACT Life testing of engineering systems with dependent components requires robust multivariate methods. Parametric approaches depend on restrictive assumptions, limiting their use in complex or unknown lifetime distribution settings. This study evaluates nonparametric methods for comparing parallel system lifetimes under minimal sample ...
Niladri Chakraborty, Ahmed Maged, Maxim Finkelstein   +2 more
wiley   +1 more source

Response of Common and Tepary Bean Genotypes to Three Macrophomina phaseolina Isolates Inoculated at Different Growth Stages

HortScience
Ashy stem blight caused by the fungus Macrophomina phaseolina (Tassi) Goidanich affects Phaseolus spp. in all growth stages. The identification of genotypes with durable resistance is crucial for disease management.
Roberto Vázquez III, Diego M. Viteri, Angela M. Linares-Ramírez   +2 more
doaj   +1 more source