Results 31 to 40 of about 72,044 (240)

Research on Beidou and GPS dual satellite positioning algorithms for substation site positioning

International Journal of Metrology and Quality Engineering, 2020
With the rapid development of global satellite navigation system technology, multi-mode satellite navigation positioning technology that can be compatible with multiple navigation systems at the same time is bound to become the future development trend ...
Feng Junjie, Shi Junfeng, Gao Lei, Huang Hongwei   +3 more
doaj   +1 more source

Commutation Failure Control Strategy of UHVDC Transmission Considering Initial Fault Angle

Taiyuan Ligong Daxue xuebao
[Purposes] Commutation failure (CF) is one of the common faults in the line-commutated converter-based Ultra-high Voltage Direct Current (LCC-UHVDC). In order to reduce the probability of CF in DC transmission, a lot of research on CF control strategies ...
CHENG Gong, ZHANG Zheng, WANG Xiaobo, WEI Ze, LI Pingwei   +4 more
doaj   +1 more source

Measurement and Analysis on Magnetic Field Influence of Substation for Magnetic Shielding Device

Applied Sciences, 2023
The residual magnetic field in a magnetic shielding device with a multilayer high permeability material (permalloy) structure can be obtained at the nanotesla (nT) level or even lower.
Yuan Cheng, Yaozhi Luo, Ruihong Shen, Liang Zhao, Weiyong Zhou   +4 more
doaj   +1 more source

Time domain analysis of switching transient fields in high voltage substations [PDF]

, 2009
Switching operations of circuit breakers and disconnect switches generate transient currents propagating along the substation busbars. At the moment of switching, the busbars temporarily acts as antennae radiating transient electromagnetic fields within ...
Judd, M.D., Musa, B.U., Siew, W.H.
core  

Disentangling Aleatoric and Epistemic Uncertainty in Physics‐Informed Neural Networks: Application to Insulation Material Degradation Prognostics

Advanced Intelligent Systems, EarlyView.
Physics‐Informed Neural Networks (PINNs) provide a framework for integrating physical laws with data. However, their application to Prognostics and Health Management (PHM) remains constrained by the limited uncertainty quantification (UQ) capabilities.
Ibai Ramirez, Jokin Alcibar, Joel Pino, Mikel Sanz, Jose I. Aizpurua   +4 more
wiley   +1 more source

Strengthening urban resilience in China through underground infrastructures management: Addressing global climate challenges with technological solutions

Deep Underground Science and Engineering, EarlyView.
This paper explores how climate‐resilient technologies, such as smart grids, digital twins, and self‐healing materials, can enhance urban resilience. It highlights the urgent need for proactive planning, public‐private collaboration, and data‐driven innovation to future‐proof underground infrastructure amid accelerating climate and urban pressures ...
Kai Chen Goh, Tonni Agustiono Kurniawan, Christia Meidiana, Abdelkader Anouzla, Faissal Aziz, Imran Ali, Joan Cecilia C. Casila, M. Imran Khan, Dongdong Zhang, Meihui Jiang, Mohd Hafiz Dzarfan Othman, Md Munir Hayet Khan, Kasun Kumara Dissanayake   +12 more
wiley   +1 more source

Infrared spectrum target recognition and positioning technology based on image segmentation algorithm

Discover Artificial Intelligence
In the era of rapid development of digitalization and science and technology, infrared images are widely used in security, industry and other fields, but their target recognition and positioning face many difficulties. The existing image segmentation and
Runming He, Yu Wang, Zhenzhong Yan, Xiaoli Lu   +3 more
doaj   +1 more source

Laboratory testing of the communication based protection relays [PDF]

, 2015
The proper operation of control and protection applications in Substation Automation System (SAS) demands very high-speed and reliable communications that has being achieved by using IEC 61850.
Daboul, M., Wasserbauer, V.
core  

A Review of Overcurrent Protection in Smart Grids Under Cyber‐Physical Threats With a Cyber‐Physical Evaluation Framework

Energy Science &Engineering, EarlyView.
By manipulating current and voltage measurements, an assailant can induce unwanted relay action while attempting to avoid detection. Detecting advanced cyber intrusions in power protection environments requires specialised data analysis and anomaly detection methods.
Feras Alasali, Anas AlMajali, Naser Naily, Hassen Loukil, Salah AbuGhalyon, William Holderbaum, Abdelaziz Salah Saidi   +6 more
wiley   +1 more source

Sensitivity analysis of heat losses in distribution systems : impact of different buildings typologies [PDF]

, 2016
This paper focuses on the sensitivity of heat losses in collective heat distribution systems using a simplified calculation method. The methodology considers several parameters influencing the performance of heat distribution systems.
Janssens, Arnold, Vaillant Rebollar, Julio   +1 more
core