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Commentary by Pigini

Smart Insulators for Smart Grids

April 22, 2017 • ARTICLE ARCHIVE, Commentary by PiginiComments (0)

A number of trends have been driving development of transmission and distribution networks: 1. Expected increase in electrical energy consumption by developing countries; 2. Shift from fossil fuels to electricity for key end use energy sectors worldwide (e.g. electric cars); and 3. Expected change in the power generation mix toward more de-carbonization...

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Polymeric Materials for HV Insulators

March 11, 2017 • ARTICLE ARCHIVE, Commentary by Pigini

It may surprise some but polymeric type insulators have been applied on high voltage lines and at substations since as far back as 1960. The best measure of their success in delivering real benefits versus traditional ceramic technologies is that they now...

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Passing of Two Leaders in Development of Insulation Coordination

March 4, 2017 • ARTICLE ARCHIVE, Commentary by Pigini

This past year, the world’s high voltage community lost two exceptional individuals who, apart from their unique skills, were also unusually charming gentlemen: Lorenzo Thione and Karl Heinz Weck. Among numerous other activities in the industry, Dr. Thione...

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Insulators & Meteorology

Insulators & Meteorology

January 7, 2017 • ARTICLE ARCHIVE, Commentary by Pigini, Editorial Columns

Over the past 24 years of INMR’s existence there have been several tendencies when it comes to R&D for electrical power systems. A first phase, during the 1990s, focused on product innovation and examples are composite insulators and zinc oxide...

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End of Life of Electrical Components: Recycling vs. Disposal

End of Life of Electrical Components: Recycling vs. Disposal

January 2, 2017 • ARTICLE ARCHIVE, Commentary by Pigini, Editorial Columns

The focus when it comes to electrical products and components has traditionally been on quality and performance in service. Increasing public awareness of environmental issues, however, has now led both manufacturers and users to pay much greater attention to...

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‘Externalities’ of Overhead Power lines

‘Externalities’ of Overhead Power Lines

August 13, 2016 • ARTICLE ARCHIVE, Commentary by Pigini

Public opposition and growing environmental awareness now make identifying corridors for new overhead lines an increasingly complex process – especially near densely populated or sensitive areas. Given this, it has become important to examine methodologies...

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Digital Modeling in Insulation System Design

Digital Modeling in Insulation System Design

July 16, 2016 • 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 a much-used tool for product development. Engineering simulation technology, for example, now allows...

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Insulator Performance Under Ice & Snow

Insulator Performance Under Ice & Snow

July 1, 2016 • ARTICLE ARCHIVE, Commentary by Pigini

Flashover problems encountered across the globe confirm that ice and snow can significantly diminish insulator performance and impact grid reliability. Much research has therefore been published on this topic and an excellent review was made by Masoud...

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