Results 21 to 30 of about 1,976 (165)

Load flow, short circuit and motor starting studies in electrical power substations.

ITEGAM-JETIA
Power system studies are essential for the proper planning and design of electrical power substations. This paper presents the load flow, short circuit, and motor starting studies for 33/6.6/0.44 kV electrical power substation.
Mohan Muniappan
doaj   +1 more source

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

The 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, Robin Preece, Mike Barnes, Jesus Carmona Sánchez   +3 more
doaj   +1 more source

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

Electrical 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, D. G. Koliushko, G. M. Koliushko, E. P. Eremeeva   +3 more
doaj   +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

Transient overvoltage on overhead metal return lines of ±500 kV MMC-HVDC grid

The Journal of Engineering, 2018
The ±500 kV half-bridge modular multilevel converter-high-voltage DC (MMC-HVDC) grid project with overhead transmission line is under construction in China at present.
Huiwen He, Xiaolan Li, Ying Lou, Lei Wang, Peihong Zhou   +4 more
doaj   +1 more source

State assessment of 110–220 kV intelligent substation based on multisensor fusion algorithm control and image vision

Frontiers in Energy Research, 2023
With the development of modern information technology, intelligent substation technology has been widely used, which greatly promotes the development of power grid.
Weiyan Zhao, Ao Cui, Ming Fang, Liang Yang, Kang Chen, Xuqiang Gong   +5 more
doaj   +1 more source

Cyclodextrins as Chiral Selectors in Capillary Electrophoresis—Recent Developments in Understanding Analyte Complexation and Applications in Pharmaceutical Analysis

ELECTROPHORESIS, EarlyView.
Cyclodextrins are the most often applied chiral selectors in CE enantioseparations. In combination with NMR spectroscopy and molecular modeling, studies for an understanding of chiral recognition underlying enantioseparations have been performed.
Gerhard K. E. Scriba
wiley   +1 more source

Analysis of high-frequency interference characteristics of UHVDC converters

The Journal of Engineering, 2018
The converter is the main component of the converter station and the main noise source of the PLC interference. The accurate modelling of the high-frequency characteristics of the converter is the foundation for the design of the ± 1100 kV UHVDC PLC ...
Chaonan Ying, Zheng Xu, Chenxi Luo
doaj   +1 more source

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

Analysis of GOOSE message and the engineering application for GOOSE message in the intelligent substation

The Journal of Engineering, 2019
Generic Object Oriented Substation Event (GOOSE) message reflects the transmission of information between many intelligent electronic devices, which is more reliable as original data.
Shiming Wang, Fuyou Yang, Xu Yan, Tianze Liu   +3 more
doaj   +1 more source