Results 51 to 60 of about 19,372 (204)

Large language model‐enhanced deep reinforcement learning for voltage control in active distribution networks

open access: yesEnergy Conversion and Economics, EarlyView.
Abstract As active distribution networks (ADNs) become increasingly saturated with intermittent renewable energy sources, maintaining voltage within safe operational limits has become a critical and complex task, requiring advanced control methods beyond traditional rule‐based approaches.
Jing Ma   +6 more
wiley   +1 more source

Techno-economic evaluation of power electronics-assisted transmission system frequency regulation

open access: yesThe Journal of Engineering, 2019
In many future power systems, the power generation may be predominantly supplied from converter interfaced sources (i.e. wind, solar, HVDC interconnection).
Rakibuzzaman Shah   +3 more
doaj   +1 more source

Optimal construction method and demonstration application of multi-in-one station grounding system

open access: yesGlobal Energy Interconnection, 2021
Mutual influence may be driven by different models and operating mechanisms of grounding systems in multi-in- one substations. Even equipment damage and personal injury will occur in the event of a short-circuit or lightning strike.
Yanxing Cai   +5 more
doaj   +1 more source

Regional Infrared and Visible Image Registration for Distribution Substation Areas With Wide Depth of Field

open access: yesHigh Voltage, EarlyView.
ABSTRACT Infrared and visible image registration is a key task in automated distribution network inspection. Previous approaches typically apply a single homography to align infrared and visible images leading to local misalignment. To address this, this study proposes a novel region‐based registration algorithm specifically designed for wide‐depth ...
Yingchen Zhang, Bo Wang, Fei Tang
wiley   +1 more source

ABOUT THE LOAD FACTOR OF POWER TRANSFORMERS OF THE RAILWAY TRACTION SUBSTATIONS

open access: yesNauka ta progres transportu, 2009
The author has proposed the criterion and method of determination of optimum load factors of power transformers of railway traction substations.
V. H. Kuznetsov
doaj  

ON THE ISSUE OF DESIGN OF GROUNDING SYSTEMS OF 330(220) KV SUBSTATIONS TO ENSURE THE ELECTROMAGNETIC COMPATIBILITY OF SECONDARY CIRCUITS

open access: yesElectrical engineering & Electromechanics, 2018
Purpose. The purpose of the work is to develop the fundamentals of the design methodology of grounding system design of substations with open switchgears 330 (220) kV, which is aimed at ensuring electromagnetic compatibility of secondary circuits of ...
O. Yu. Glebov   +3 more
doaj   +1 more source

Research on Classification of Substation Background Information for Monitoring [PDF]

open access: yesE3S Web of Conferences, 2019
The substations are important parts of modern electrical grids. The monitoring of background information in substations should be carefully managed to keep the smoothly operating of the electrical system. However, there are still some problems in present
Yang Wang   +3 more
doaj   +1 more source

Electric power substations engineering

open access: yes, 2012
The use of electric power substations in generation, transmission, and distribution remains one of the most challenging and exciting areas of electric power engineering.
John McDonald, McDonald, John D
core   +1 more source

An Improved Fast Computational Method for Vibration Characteristic Analysis of Dry‐Type Iron Core Reactor

open access: yesHigh Voltage, EarlyView.
ABSTRACT Structural mechanics field simulation plays a critical role in the vibration characteristic analysis of electrical equipment. Existing structural field analysis of equipment based on numerical simulation faces challenges such as convergence difficulties and prolonged computational time, failing to meet the demand for real‐time prediction of ...
Wanqing Wang   +6 more
wiley   +1 more source

Comparison of Dielectric Recovery After Arc Burning in SF6 Gas and Its Potential Alternatives

open access: yesHigh Voltage, EarlyView.
ABSTRACT Although sulphur hexafluoride (SF6) exhibits exceptional insulating properties, it is a potent greenhouse gas. Therefore, studying alternatives to SF6 is critical for developing environmentally friendly high‐voltage electrical equipment.
Ziqi Liu   +4 more
wiley   +1 more source

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