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Editorial Columns

Quantification of Hydrophobic Properties

April 21, 2018 • ARTICLE ARCHIVE, Editorial Columns, Reporting from CIGRE

Hydrophobicity is perhaps the single most recognized property of polymeric materials used for outdoor insulation since it provides added value in terms of enhancing pollution performance. However, only the family of...

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Thermal Imaging of Arresters

April 20, 2018 • Arresters, ARTICLE ARCHIVE, Woodworth on Arresters

It is a challenge to accurately describe what arresters will be like 35 years from now. But some things can be predicted with near certainty. One is that they...

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Detecting Corona with UV Cameras

April 14, 2018 • ARTICLE ARCHIVE, Corona, Reporting from CIGRE

Currently, CIGRE WG D1.61 is dealing with the topic of optical detection and measurement of corona. Several ultraviolet (UV) cameras are now available...

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Lightning Protection for HVDC Lines

April 14, 2018 • Transient Thoughts

The design of AC overhead lines requires considering many factors, including wind and ice loads, strength of poles and insulator attachment hardware, line...

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When Hollow Core Insulators Become a Home for Mold

March 24, 2018 • ARTICLE ARCHIVE, Core, Hollow, Hollow Core, Hollow Core Issues

Over the past years, as application of hollow core composite insulator technology has skyrocketed, there have been reports of mold and other biological growths...

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Dealing with Deterioration of Silicone Insulation in Critical Applications

March 23, 2018 • ARTICLE ARCHIVE, Reporting from CIGRE

Field experience with composite insulators having polymeric housings is available now for about 40 years and the clear trend is that silicone rubber has become...

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Protecting Composite Insulators from Corona

March 10, 2018 • ARTICLE ARCHIVE, Corona, Insulators, Reporting from CIGRE

One of the important design differences between silicone composite insulators and porcelain cap & pin or long rod types is their smaller shank diameter,...

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Replacing SF6 is Switching How We Think of Transmission

March 3, 2018 • ARTICLE ARCHIVE, From the World of Testing

Last year, this column discussed how new technologies allow the T&D industry to combine economic opportunities with environmental goals. One example has...

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