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Reporting from CIGRE

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Quantification of Hydrophobic Properties

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 silicone rubber polymers has demonstrated... Read More

Insulators for DC Line Applications

When it comes to DC line applications, there are ‘pure’ DC connections and also ‘hybrid’ connections – the latter being a solution to replace an AC system on an existing line route with a DC bi-pole to increase transmission capacity. While it is now... Read More

Preview of 2018 CIGRE

A review of the program for the upcoming CIGRE General Session in Paris suggests record attendance, with more than 8000 participants expected from 93 countries. In addition, some 240 exhibitors will display new products, services and technologies over three... Read More

Protecting Composite Insulators from Corona

One of the important design differences between silicone composite insulators and porcelain cap & pin or long rod types is their smaller shank diameter, made possible by the high strength glass-fibre reinforced core rod. This contributes to superior... Read More

Detecting Corona with UV Cameras

Currently, CIGRE WG D1.61 is dealing with the topic of optical detection and measurement of corona. Several ultraviolet (UV) cameras are now available commercially (both night vision and daylight types) and there is ongoing discussion about whether optical... Read More

Dealing with Deterioration of Silicone Insulation in Critical Applications

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 the material of choice. The main reason is its long-term, dynamic hydrophobicity, which can... Read More

Reviewing More Papers at 2016 CIGRE Session

The 543 contributions made during this past CIGRE General Session in Paris represented a milestone for this event and comprise a vast information resource about developments in the world’s electrical power sector. This Column completes a review of some... Read More

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