Results 21 to 30 of about 57,453 (157)

Performance enhancing of porcelain insulators using low cost micro additives

Ain Shams Engineering Journal
Porcelain have been widely utilized in electrical power system. The enhancement of its properties has positively influenced its behavior thence on overall power system.
Hesham S. Karaman, Sherif M.M. Sherif, S.M.A. El-Gamal, Naser Abdel-Rahim, M.A. Abd-Allah   +4 more
doaj   +2 more sources

Designation of an Indicator for flashover prediction of porcelain and glass insulators based on experimental tests. [PDF]

Journal of Operation and Automation in Power Engineering, 2015
Flashover of polluted insulators in contaminated areas is one of the most important factors influencing the operation of transmission and distribution lines and finally line outages.
Mousalreza faramarzi palangar, mohammad mirzaie   +1 more
doaj   +2 more sources

Evaluation of Kalalani vermiculite for production of high strength porcelain insulators [PDF]

Science of Sintering, 2019
The present work has evaluated Kalalani vermiculite as a potential raw material for the production of high strength porcelain insulators. Three porcelain compositions were prepared to contain 0, 20 and 30 wt% of Kalalani vermiculite.
Ngayakamo Blasius, Park Eugene S.
doaj   +1 more source

Research on an Identification Method of Post Porcelain Insulator Damage Based on Variational Modal Algorithm

Zhejiang dianli, 2022
In view of the difficulty in signal identification in vibration acoustic detection of post porcelain insulators， A BP （backpropagation） neural network identification method based on variational mode decomposition （VMD） is proposed to identify the damage ...
LUO Hongjian, ZHANG Jie, ZHAO Zhoufeng, JIAO Jingpin   +3 more
doaj   +1 more source

Research on Leakage Current Waveform Spectrum Characteristics of Artificial Pollution Porcelain Insulator

Frontiers in Energy Research, 2021
The surface discharge development processes of polluted porcelain insulators for power transmission lines are tightly related with the development of leakage current (LC), the characteristics of LC, the insulating condition, and discharge intensity of ...
Chunhua Fang, Yuning Tao, Jianguo Wang, Haixin You, Yan Cui, Mi Zhou   +5 more
doaj   +1 more source

Insulator fault feature extraction system of substation equipment based on machine vision

IET Networks, EarlyView., 2022
Abstract The artificial intelligence technology and intelligent automation are more and more widely used, the insulators play a supporting and insulating role in the operation of the grid. The use of machine vision inspection technology to detect insulator faults has become an inevitable trend of the times.
Keruo Jiang, Qiaoqun Xia, Lijun Ma, Xin Xu, Zhipeng Shao   +4 more
wiley   +1 more source

Analysis of Thermal Sensitivity by High Voltage Insulator Materials

IEEE Access, 2020
Insulators serve bi-fold objectives of holding the conductor and electrical segregation from the grounded structure. For reliable operation of utility, electrical and mechanical strength of insulators are equally significant.
Taeyong Kim, Simpy Sanyal, Ja-Bin Koo, Ju-Am Son, In-Hyuk Choi, Junsin Yi   +5 more
doaj   +1 more source

Porcelain Insulator Crack Location and Surface States Pattern Recognition Based on Hyperspectral Technology

Entropy, 2021
A porcelain insulator is an important part to ensure that the insulation requirements of power equipment can be met. Under the influence of their structure, porcelain insulators are prone to mechanical damage and cracks, which will reduce their ...
Yiming Zhao, Jing Yan, Yanxin Wang, Qianzhen Jing, Tingliang Liu   +4 more
doaj   +1 more source

Comprehensive simulation of snow crystal deposition and electric field characteristics of composite sheath improved porcelain cantilever insulator in a wind and snow environment

Journal of Measurement Science and Instrumentation, 2022
The installed porcelain insulators on existing railway lines in China are prone to "snow flash" in winter. In order to prevent the occurrence of "snow flash" and improve the reliability of the insulators, a composite-porcelain insulator is designed.
SHENG Wangqun, LI Gang, LI Yanzhe, LI Baoxue, ZHAO Shanpeng   +4 more
doaj  

Properties of Ceramic Insulators from Porcelain Production Waste [PDF]

, 2023
На основании теоретических и экспериментальных исследований определен выбор оптимальных рецептурных и технологических параметров изготовления керамических изоляторов из отходов местного фарфорового производства, обеспечивающих высокие физико-механические
Алексеенко, Ю. А., Бойко, А. А., Соболев, Е. В., Невзоров, В. В.   +3 more
core   +2 more sources