Editorial Columns

Impact of Icing on Transmission Lines

September 23, 2017 • ARTICLE ARCHIVE, Scene from China

Icing problems can have a severe impact on the safe operation of overhead transmission lines. Early in 2008, for example, extensive icing hit large areas of southern China. The rare but disastrous meteorological...

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Better Understanding Erosion Testing

September 9, 2017 • ARTICLE ARCHIVE, Silicone Technology Review, Testing

International standardization is definitely helpful. Standards for electrical insulating materials and insulating systems allow power engineers and other...

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Detecting Corona with UV Cameras

September 2, 2017 • 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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Improving TOV Testing

August 26, 2017 • ARTICLE ARCHIVE, Woodworth on Arresters

Members of my taskforce in IEC TC37 MT4 are working to rationalize type tests within IEC 60099-4. In the process, we have been looking at a test that has been...

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Hydrophobicity: What is the Real Impact?

August 19, 2017 • ARTICLE ARCHIVE, Silicone Technology Review

The term ‘hydrophobicity’ has by now become an all too familiar catchword in the power industry. Yet many users of hydrophobic materials and those that...

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Revising IEC 60815

August 12, 2017 • ARTICLE ARCHIVE, Commentary by Pigini, Editorial Columns

Specifications contained in IEC 60815 “Selection and dimensioning of high-voltage insulators intended for use in polluted conditions” are the result of...

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Standardizing Recommended Creepage in DC

July 22, 2017 • ARTICLE ARCHIVE, Reporting from CIGRE

Today’s demand for integrating renewables into energy supply has made HVDC transmission a much more interesting option than in the past. This is triggered by...

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Improved Measurement of Electrical Strength

July 15, 2017 • ARTICLE ARCHIVE, Silicone Technology Review, Utility Practice & Experience

Dielectric Strength. Electrical strength. Breakdown voltage. Breakdown field strength. These are just some of the different terms found in datasheets used to...

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