Electrical Substations

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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Latest Electrical Industry News

DOE Grants $2.2B for Transmission and Storage Projects

In a landmark move aimed at accelerating the U.S. transition to a more resilient and sustainable energy grid, the Department of Energy (DOE) has announced…
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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 transmission and into distribution feeders that carried it to passive…
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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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Gas-insulated Switchgear Options for Substations

Switching gears in the underground BY PETR RUDENKO AND PETER GLAUBITZ, Siemens As demand for energy continues to rise, an increased number of locations around…
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Understanding the IEC 61850 Protocol in Substation Automation

The IEC 61850 protocol has become the global standard for substation automation, enabling high-speed communication, interoperability, and streamlined integration of intelligent electronic devices (IEDs). It…
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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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The Digital Substation Vision: From Utopian Concept to Grid Backbone

A digital substation is a modernized electrical substation that replaces traditional analog equipment and copper wiring with digital signaling, intelligent electronic devices (IEDs), and fiber-optic…
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T&D Buyer's Guide

Electrical Substations Articles

Preventing Losses Due to Wildlife Contacts in Electrical Substations

Preventing Losses Due to Wildlife Contacts in Electrical Substations

Intrusion of wildlife into electric substations is a problem experienced by electric utilities worldwide. In…
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Effective and Safe Testing of GIS Switchgear

Effective and Safe Testing of GIS Switchgear

To fully assess the functionality of medium and high voltage circuit breakers, various mechanical and…
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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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Dynamic Resistance Measurement

Dynamic Resistance Measurement

Condition testing of circuit breaker’s arcing contacts BY BUDO MILOVIC, DV-Power The preventive maintenance on…
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BIRDS AND SUBSTATION OUTAGES

BIRDS AND SUBSTATION OUTAGES

Birds wreak havoc at hundreds of substations every year, undermining system reliability and costing millions.…
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