Results 31 to 40 of about 3,753 (203)

Condition Assessment of Field-Aged Composite Insulators Following Incidents of Insulator Flashunder

Energies
A condition assessment of a group of field-aged insulators operated for only 6 years on the island of Rhodes after incidents of intense electrical activity is presented in this paper.
Nikolaos Mavrikakis, Kiriakos Siderakis
doaj   +1 more source

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

Research on automatic location and recognition of insulators in substation based on YOLOv3

High Voltage, 2019
With the development of a smart grid, the automatic location of power equipment is becoming a trend. In this study, a method for automatic location identification and diagnosis of external power insulation equipment based on YOLOv3 is proposed. This deep
Yunpeng Liu, Xinxin Ji, Shaotong Pei, Ziru Ma, Gonghao Zhang, Ying Lin, Yufeng Chen   +6 more
doaj   +1 more source

Automatic Railway Substations [PDF]

Transactions of the American Institute of Electrical Engineers, 1920
This paper reviews the broad range of conditions to which railway automatic substations have been applied and also discusses the economies and operating advantages effected by their use. A description is given of the modern equipment with details of its operation. Special reference is made to improvements in design of control apparatus, to the positive
openaire   +2 more sources

Compact 9dBEs Enable Efficient and Precise Genome Editing in Mammalian Cells and In Vivo

Advanced Science, EarlyView.
As a compact type II‐D system, the Cas9d‐based platform holds great potential for in vivo applications. Through rational engineering, its derived base editors (9dBEs) enable efficient disease modeling while facilitating single‐vector AAV delivery for in vivo genome editing. These miniature tools offer a robust strategy for basic research and biomedical
Qingquan Xiao, Zhijin Tian, Luqi Weng, Kun Xu, Dingyi Han, Zhaowei Wu, Junnan Li, Shangpu Li, Qijing Zhang, Xiaohui Zhao, Guoling Li, Yinghui Wei, Zhen Gu   +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

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

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

PMU‐Based Wide Area Monitoring With Machine Learning to Prevent Blackouts in Bangladesh Power System

Energy Science &Engineering, EarlyView.
A Unified Real‐time Dynamic State Measurements (URTDSM) system with PMU and Phasor Data Concentrator (PDC) deployment plan has been proposed to avoid blackout in the Bangladeshi power system. Machine learning has been used to process data from PMU to identify abnormal events. ABSTRACT The electrical power system must be trustworthy and secure enough to
Imi Bintey Fariha Rahman, Md. Minarul Islam, Md. Shahin Parvej, Abdul Hasib Chowdhury, Taha Selim Ustun, Kashem M. Muttaqi   +5 more
wiley   +1 more source