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From the World of Testing

Testing to Deal with Future Hybrid Grids

June 22, 2018 • ARTICLE ARCHIVE, From the World of Testing, TestingComments Off on Testing to Deal with Future Hybrid Grids

Many in our industry predict the future will bring greater blending of technology and hybridization. But what does hybridization mean in power systems? And what are its implications for testing? To answer, it is important to recognize that the key enablers of transformational change in electric power systems are digitalization, information technology and...

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Testing Can Reduce Transformer Failures

June 2, 2018 • From the World of Testing, 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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Replacing SF6 is Switching How We Think of Transmission

March 3, 2018 • 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 toSF6 for gas-insulated switchgear and circuit breakers....

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Growing Importance of Testing HVDC Components

July 8, 2017 • ARTICLE ARCHIVE, From the World of Testing, Testing

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...

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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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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, 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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