Electrical Substations

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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Latest Electrical Industry News

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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Power Factor Testing of Circuit Breakers

Detecting contamination and deterioration in SF6 breakers to ensure longevity BY LINDA NOWAK, Doble Engineering Company The purpose of “Doble testing”, or power factor testing,…
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Gas Dehydration

Sulfur hexafluoride (SF6) insulates medium- and high-voltage switchgears around the world. In its pure form, this non-toxic, inert gas helps the power transmission & distribution (T&D)…
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12 Tips to Protect Against Common Lineworker Safety Hazards

Lineworkers face numerous risks daily, from respiratory ailments to electrical hazards. These dangers can result in severe injuries, low blood pressure, bleeding, and vomiting. However,…
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The Role of SCADA in Grid Monitoring and Control

As electric power systems grow in complexity, the need for real-time monitoring and control has never been greater. At the center of this transformation is…
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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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Lightning Strikes

In Canada, lightning flashes occur about 2.34 million times a year; with the highest levels of concentration during the summer months. While most lightning on…
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Electrical Substations Articles

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

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…
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Critter Guard

Critter Guard

Distinctly DifferentAccording to the American Public Power Association, squirrels are among the top causes of…
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Reducing Nuisance Alarm Rates from On-Site Security Systems

Reducing Nuisance Alarm Rates from On-Site Security Systems

The physical security of electrical generation, transmission, and distribution sites is critical. The potential risks…
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Insights from the Field: How Thermal Cameras Safeguard Remote Substation Perimeters

Insights from the Field: How Thermal Cameras Safeguard Remote Substation Perimeters

The Insights from the Field series features insight from experts who recommend, deploy, and use…
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SCADA for Substations

SCADA for Substations

How new technologies can improve monitoring and control BY LOURENCO TEODORO, InduSoft Substations are a…
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