Electrical Substations

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The Fight Against Animal-Caused Power Outages

Every day across North America, animals enter electrical substations in search of warmth, food, shelter, or simply out of curiosity. What often begins as routine…
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Latest Electrical Industry News

Vacuum Interrupter Testing for Circuit Breakers

How to predict field life using vacuum interrupters BY FINLEY LEDBETTER, Group CBS Utilities have widely replaced older air-magnetic and oil interrupters for circuit breakers…
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Since 1952 Tallman has been Setting the Standard for Linemen

At Tallman Equipment, we are an employee-owned company that provides tools, equipment, and services for the construction and maintenance of Electrical Transmission and distribution infrastructure.…
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Digital Twins for Substations: Bridging the Physical and Digital Worlds

In the rapidly evolving landscape of power grid management, digital twin technology is emerging as a game-changer for substations. By creating virtual replicas of physical…
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Geomagnetic Disturbances: A Danger to the Power Grid

In 1989, the Québec grid collapsed as equipment protection relays tripped in a cascading sequence of events. Six million consumers were left without power for…
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The Smart Grid Prophecy

For years, industry publications have touted Smart Grid cost-benefit study results that show Smart Grid investments paying for themselves with reduced utility costs. The widely…
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The Copper Theft Pandemic

Around the time of the financial crisis of 2008, precious metals pricing began to change drastically. Beginning in late 2007, a trend of price instability…
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Utilizing Fault Resistance to Test Distance Relays

Taking power grid protection to an all-new level BY JASON BUNEO & RENE AGUILAR, Megger The testing of distance relays has evolved from testing simple…
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Electrical Substations Articles

Substation Cybersecurity in the Digital Era: NERC CIP, IEC 62443, and Protecting the IEC 61850 Network

Substation Cybersecurity in the Digital Era: NERC CIP, IEC 62443, and Protecting the IEC 61850 Network

Every benefit that digital substations and IEC 61850 networking bring to T&D operations comes with…
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Properly Grounded Substations

Properly Grounded Substations

Adequate utility grounding improves power quality, but more importantly, it is essential for worker safety…
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The Problem with Birds in Substation Outages

The Problem with Birds in Substation Outages

Birds have been a problem for electrical substations since the first power distribution systems were…
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Extend the Life of Your Circuit Breakers

Extend the Life of Your Circuit Breakers

What to ask to ensure proper circuit breaker testing and maintenance BY ROBERT FOSTER, Megger…
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Power Factor Testing of Circuit Breakers

Power Factor Testing of Circuit Breakers

Detecting contamination and deterioration in SF6 breakers to ensure longevity BY LINDA NOWAK, Doble Engineering…
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