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Editorial Columns

Designing for Reliability Versus Resilience

October 13, 2018 • ARTICLE ARCHIVE, Commentary by Pigini

Projections on climate change confirm that power systems will be exposed to increasing threats of the type that jeopardize continuity and quality of supply. An example was the complete collapse of the transmission grid...

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Revising IEC 60815

October 13, 2018 • 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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Digital Modeling in Insulation System Design

October 5, 2018 • ARTICLE ARCHIVE, Commentary by Pigini

Given the evolution in computing power and specialized software, finite element analysis (FEA) has evolved from what used to be a mainly academic pursuit into...

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Dealing with Hybrid Grids

October 5, 2018 • ARTICLE ARCHIVE, From the World of Testing, Testing

Many in our industry predict the future will bring greater blending of technology and hybridization. But what does hybridization mean in power systems? And...

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External Insulation Under Composite AC Plus DC Voltages

September 22, 2018 • ARTICLE ARCHIVE, Commentary by Pigini

Growing interest in parallel routing of AC and DC circuits on the same towers of what are referred to as ‘hybrid overhead lines’ could cause both AC and...

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Quantification of Hydrophobic Properties

September 9, 2018 • ARTICLE ARCHIVE, Editorial Columns, Reporting from CIGRE

Hydrophobicity is the most recognized property of polymeric materials used for outdoor insulation since it provides added value in terms of enhancing pollution...

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Growing Importance of Testing HVDC Components

September 9, 2018 • ARTICLE ARCHIVE, From the World of Testing, Testing

High voltage direct current (HVDC) has rapidly become one of the ‘hot’ topics in transmission. Since the first HVDC connections date back to the 1950s, it...

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Advanced Power Electronics Will Rule Future Power Systems (Part 1)

August 24, 2018 • ARTICLE ARCHIVE, From the World of Testing, Testing

In the future, advanced power electronics will enhance and even replace traditional components due to their superior controllability. In the process, they...

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