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From the World of Testing

Growing Importance of Testing HVDC Components

July 8, 2017 • ARTICLE ARCHIVE, From the World of TestingComments Off on Growing Importance of Testing HVDC Components

High voltage direct current (HVDC) has rapidly become one of the hottest topics in transmission. Since the first HVDC connections date all the way back to the 1950s, it can hardly be called ‘new’. But recent market requirements have resurrected the technology and brought it once more to the forefront of discussions in power engineering. ...

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Equipment Certification Vital to Utility Image

June 10, 2017 • ARTICLE ARCHIVE, From the World of Testing, Utility Practice & Experience

Utilities are the public face of the transmission and distribution (T&D) industry. They maintain local infrastructure and are tasked with ensuring reliability. It is also their names customers see on monthly bills. Therefore, if something goes wrong with...

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Replacing SF6 is Switching How We Think of Transmission

February 25, 2017 • ARTICLE ARCHIVE, From the World of Testing

Last year, this column discussed how new technologies allow the T&D industry to combine economic opportunities with environmental goals. One example has been the search for ‘green’ alternatives to SF6 for gas-insulated switchgear and circuit breakers....

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The Power to Reduce Transformer Failures

November 12, 2016 • From the World of Testing

Failure of a large power transformer is probably the worst nightmare scenario faced by a transmission system operator. Repercussions can be enormous. First is the initial outage, which in major urban centres can cost tens of millions per hour. And that does...

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Communication Between Devices Will Be Key in Grids of the Future

October 7, 2016 • ARTICLE ARCHIVE, From the World of Testing

The T&D grids of tomorrow will have to be much more complex and interactive than the ones we know today. For example, the rise of renewables and demand-side response in power systems is leading to a new age of real-time controllability. Renewables will...

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Shunt Reactor Switching Ambiguity

Shunt Reactor Switching Ambiguity

December 12, 2015 • ARTICLE ARCHIVE, Editorial Columns, From the World of Testing

High power test laboratories have traditionally seen much of their work devoted to verifying the short circuit current breaking capability of circuit breakers. Though designed primarily for breaking high fault currents to prevent major tangible as well as...

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New Testing Needs, Now and in the Future

New Testing Needs, Now and in the Future

August 29, 2015 • ARTICLE ARCHIVE, Editorial Columns, From the World of Testing

It is obvious these past years that power grids of the future will have to be capable of coping with a rising demand for electrical energy and also incorporate a high proportion of renewable energy sources. Incidentally, regarding these ‘renewables’, an...

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Interchange of Ideas Key to Reliable Power Supply

Interchange of Ideas Key to Reliable Power Supply

August 23, 2015 • ARTICLE ARCHIVE, Editorial Columns, From the World of Testing

October will see the 2015 INMR WORLD CONGRESS take place in Munich, Germany. Held every two years, this event is one of the highlights of the transmission and distribution (T&D) industry’s calendar since it provides an opportunity for utilities,...

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