Electrical Substations

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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Latest Electrical Industry News

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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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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Substation Maintenance Best Practices

Improving substation maintenance best practices for greater success BY BUDO MILOVIC, DV-Power Currently, substation maintenance—regular or emergency—operations and best practices must fit the utility’s goal…
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Selecting Substation Medium-Voltage Switchgear: GIS vs. AIS

Understanding differences between GIS and AIS in five points BY GAETAN DJENANE, Schneider Electric, Inc. Many considerations must be taken into account before selecting the…
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wildlife contact prevention

Preventing Losses Due to Wildlife Contacts in Electrical Substations

Intrusion of wildlife into electric substations is a problem experienced by electric utilities worldwide. In the United States, substation outages caused by wildlife contacts create…
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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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Animal Mitigation for Electric Utilities

Prevent animal- and bird-caused outages to improve reliability BY MARTY NILES, Cantega Technologies Utilities in North America are under enormous pressure from regulators, customers, and…
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Electrical Substations Articles

Utilities Await New Physical Security Standard

Utilities Await New Physical Security Standard

U.S. regulator takes next step in approving physical security standard BY PHILL FELTHAM, Editor-in-Chief Electricity…
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Global study finds continuing moderate growth in protective relay market with commitment to improving protection coordination and grid security practices
Substations in a DER-Heavy Grid: DERMS, FLISR, and Grid-Enhancing Technologies

Substations in a DER-Heavy Grid: DERMS, FLISR, and Grid-Enhancing Technologies

The substation was originally designed to manage power flowing in one direction, from generation through…
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RTU and HMI Redundancy in Electrical Substations

RTU and HMI Redundancy in Electrical Substations

As the substation RTU takes on more applications, such as Human-Machine-Interface (HMI), alarm annunciation, math…
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Since 1952 Tallman has been Setting the Standard for Linemen

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…
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