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Transmission Structures

Progress in Standardizing Recommended Creepage in DC

Progress in Standardizing Recommended Creepage in DC

November 11, 2017 • ARTICLE ARCHIVE, Editorial Columns, Reporting from CIGRE, Transmission Structures

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 factors such as that HVDC systems may be less expensive in terms of required equipment investment (converter stations, overhead lines, etc.), that electrical...

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Toward More Aesthetic Power Lines

July 22, 2017 • ARTICLE ARCHIVE, Transmission Structures, Utility Practice & Experience

The issue of grid aesthetics is really a question of image. For example, the concept of ‘industrial soldiers marching across the landscape’ was used to...

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The World’s Remarkable Transmission Structures

May 7, 2016 • ARTICLE ARCHIVE, Transmission Structures

Over 23 years INMR has visited and reported on hundreds of transmission lines throughout the world – crossing deserts, rain forests, urban areas, towering...

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Design Principles for External Insulation at Converter Stations up to 1100 kV

Design Principles for External Insulation at Converter Stations up to 1100 kV

March 26, 2016 • ARTICLE ARCHIVE, Transmission Structures

External insulation is one of the critical design aspects for HVDC equipment at converter stations. This is especially the case for UHVDC systems. The basic...

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Development & Implementation of 400 kV Eagle Transmission Tower

March 6, 2016 • ARTICLE ARCHIVE, Transmission Structures

One of the consequences of the Danish Energy policy is that the transmission grid has to expand. Fluctuating wind generation places strong requirements on the...

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Impact of Rate of Expansion of Stress Cones & Joint Bodies on Electric Field Stress

Impact of Rate of Expansion of Stress Cones & Joint Bodies on Electric Field Stress

February 29, 2016 • ARTICLE ARCHIVE, Transmission Structures

Layout of pre-moulded stress cones for elastomeric cable accessories is designed and optimized using computer calculations of electrical stress on the...

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Is Overhead Ground Wire Headed for Extinction?

Is Overhead Ground Wire Headed for Extinction?

October 9, 2015 • ARTICLE ARCHIVE, Article of the week, Transmission Structures

The creative individual who first thought up the concept of lightning protection by means of overhead ground wire (OHGW) might not appreciate what I’m about...

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Finding Solutions to Make Overhead Lines More Accepted by the Public

Finding Solutions to Make Overhead Lines More Accepted by the Public

April 10, 2015 • ARTICLE ARCHIVE, Transmission Structures

  Societies, the world over, have come to regard electricity as a basic necessity of life – even a birthright – much like clean air or water. The peculiar...

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