Electrical Substations

Technician working on DILO SF6 gas separator

Reconditioned SF₆ Gas: An Environmentally Friendly Alternative

When it comes to medium and high voltage circuit breakers, there is no better electrical insulator than sulfur hexafluoride (SF6). The manufactured gas is most…
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Latest Electrical Industry News

RTU and HMI Redundancy in Electrical Substations

As the substation RTU takes on more applications, such as Human-Machine-Interface (HMI), alarm annunciation, math & logic and “relay communication processing”, its need for high…
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substation transformers view

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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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 a corresponding increase in attack surface. A substation built around…
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magazine_may_june_2023_article_3

The Fight Against Animal-Caused Substation Outages

Every day across the country, animals enter substations for warmth, food, security, or simply out of curiosity. In many areas, wildlife intruding into power equipment…
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Advanced Automation in Substations: Enhancing Grid Reliability and Efficiency

The rapid evolution of technology has brought significant advancements in the field of electrical substations, transforming them into highly automated, efficient, and reliable components of…
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The Problem with Birds in Substation Outages

Birds have been a problem for electrical substations since the first power distribution systems were built. The elevated components of substations create ideal perches and…
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Reducing Nuisance Alarm Rates from On-Site Security Systems

The physical security of electrical generation, transmission, and distribution sites is critical. The potential risks of a security failure are clear: disruption to service, damage…
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T&D Buyer's Guide


Electrical Substations Articles

New data suggests real-time pricing can help customers save money

New data suggests real-time pricing can help customers save money

Most utility customers now pay an average price for electricity that changes little (if at…
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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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Protective Relay Frustrations

Protective Relay Frustrations

Solving misoperation with line parameter measurements BY WILL KNAPEK, OMICRON USA Between 80 to 90…
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Leakers, What a Mess!

Leakers, What a Mess!

Electric Substation apparatus, transformers and circuit breakers, are the workhorses of the electric transmission grid.…
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 AI at the Substation Edge: Digital Twins and Predictive Maintenance for Transformers and Switchgear

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,…
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