Electrical Substations

Inside the Digital Substation Upgrade: Migrating to IEC 61850 Ed. 2.1, Process Bus, and Interoperable Testing

From Hardwiring to Data Networking The modernization of substations is as much a communications revolution as a protection one. For decades, copper conductors carried analog…
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Latest Electrical Industry News

Ethernet Cable Selection for Utilities

Electric utilities are constantly searching for the most efficient, reliable and cost-effective methods to deliver electricity to customers. A vision for accomplishing this is the…
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transformer oil

Leakers, What a Mess!

Electric Substation apparatus, transformers and circuit breakers, are the workhorses of the electric transmission grid. Our focus in this article is on the issue of…
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view of substation at night

An Overview of Substation Maintenance: Its Evolution and Key Testing Practices

As electrical systems age, operating costs increase while reliability dwindles. Given most utilities and industrial facilities are highly capital intensive and have limited financial and…
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Properly Grounded Substations

Adequate utility grounding improves power quality, but more importantly, it is essential for worker safety as well as public protection. Design is critical in maintaining…
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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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simulation software

Three Serious Questions to Ask Now About Condition Monitoring

While condition monitoring is becoming an integral part of daily power grid operations, there’s a huge difference between simply checking on assets and truly proactive…
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AI at the Substation Edge: Digital Twins and Predictive Maintenance for Transformers and Switchgear

From Data Collection to Insight Modern substations generate vast amounts of data—temperatures, gas levels, vibrations, contact wear, and breaker operations. Historically, much of it went…
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Electrical Substations Articles

Vacuum Interrupter Testing for Circuit Breakers

Vacuum Interrupter Testing for Circuit Breakers

How to predict field life using vacuum interrupters BY FINLEY LEDBETTER, Group CBS Utilities have…
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Grid Communications Infrastructure: Fiber, Wireless, and Networking Technologies

Grid Communications Infrastructure: Fiber, Wireless, and Networking Technologies

Reliable and secure communication infrastructure is essential to the safe and efficient operation of the…
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Storm-Hardened Switchgear

Storm-Hardened Switchgear

How to protect electrical equipment from Mother Nature BY ROBERT A. MURPHY, Trayer Engineering Corporation…
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Substation Security

Substation Security

Improve protection with a layered security approach BY ERIC BYRES, Belden Inc. An age-old joke…
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12 Tips to Protect Against Common Lineworker Safety Hazards

12 Tips to Protect Against Common Lineworker Safety Hazards

Lineworkers face numerous risks daily, from respiratory ailments to electrical hazards. These dangers can result…
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