Results 171 to 180 of about 560,992 (202)
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Investigation on composite insulators in contaminated areas
Annual Report Conference on Electrical Insulation and Dielectric Phenomena, 2003The usage of composite insulators in various contaminated areas is increasing prominently in recent years. Most of composite insulators are operating in heavy or medium pollution environment in China. As the exposure time in the field prolonging, the change of hydrophobicity and the build-up of pollution layer directly affect pollution performance of ...
null Cheng Zixia +5 more
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Examination of contamination on electrical insulators by XPS
Surface and Interface Analysis, 1979Abstract A method is described which allows samples to be taken form the surface of electrical insulators which suffer electrical breakdown. The insulator does not have to be removed form its immediate environment. The contaminant is removed by ‘stripping’ it off with adhesive tape and the tape is subsequently examined by XPS.
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Effects of biological contamination on insulator performance
Proceedings of the 6th International Conference on Properties and Applications of Dielectric Materials (Cat. No.00CH36347), 2002Results of investigations on biological growths on different insulators, especially porcelain and silicone rubber ones, are presented. The insulators have been exposed to tropical weather under polluted and clean conditions in Sri Lanka and Tanzania since 1995. Algae contamination was found on the insulators at the clean locations.
S.M. Gubanski +4 more
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Non-Ceramic Insulators for Contaminated Environments
IEEE Transactions on Power Apparatus and Systems, 1981Non-ceramic insulators with polymer weather sheds were evaluated for applications in contaminated environments. Insulator design, material properties and construction of the weather shed component are discussed in terms of the effects of leakage current and erosion that accompany the deposition of contaminants and moisture. The deterioration of the EPR
E.A. Cherney, D.J. Stonkus
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Ageing behaviour of contaminated complex insulation
Proceedings of 1995 IEEE 5th International Conference on Conduction and Breakdown in Solid Dielectrics, 2002Composite insulating materials play an important role in the electrical equipment industry because of their balanced mechanical and electrical properties. Composite materials are totally homogenous and contain an organic material as binder and an inorganic material as reinforcing material. Any inhomogeneity is probably due to contaminations.
A. Hossam-Eldin +2 more
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Contamination flashover theory and insulator design
Journal of the Franklin Institute, 1972Abstract The long, unpleasant history of contamination flashover is reviewed briefly, followed by a discussion of some of the physical processes involved. The numerous flashover theories are critically examined, and recent experimental results are presented.
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Mechanisms of flashover of contaminated insulators.
1974Massachusetts Institute of Technology. Dept. of Electrical Engineering. Thesis. 1974. Sc.D. ; MICROFICHE COPY ALSO AVAILABLE IN BARKER ENGINEERING LIBRARY. ; Vita. ; Includes bibliographical references. ; Sc.D.
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Reliability Assessment of RTV and Nano-RTV-Coated Insulators Concerning Contamination Severity
Electric Power Systems Research, 2021Mostafa Sedighizadeh +2 more
exaly
Contamination Characteristics of Typical Transmission Line Insulators by Wind Tunnel Simulation
Electric Power Systems Research, 2020Xinhan Qiao +2 more
exaly
Flow Field Distribution Around Insulator and Contamination Uneven Characteristic of Insulator
IET Science, Measurement and Technology, 2020Xinbo Huang
exaly