Electrical Substations

switching times on medium and high voltage Gas Insulated Switchgear

Effective and Safe Testing of GIS Switchgear

To fully assess the functionality of medium and high voltage circuit breakers, various mechanical and electrical parameters must be tested. Gas-insulated switchgear (GIS) in particular…
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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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Wireless Networks and Substation Automation

Fitting wireless networks into substation automation applications BY ADAM GUGLIELMO, ABB Tropos Wireless Communication Systems As with all Smart Grid applications, two-way communication is foundational…
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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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The Smart Grid Prophecy

For years, industry publications have touted Smart Grid cost-benefit study results that show Smart Grid investments paying for themselves with reduced utility costs. The widely…
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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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Critter Guard

Animal Outage Prevention

According to the American Public Power Association, squirrels are among the top causes of power outages across the United States. Depending on your geographic region,…
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Vacuum Interrupter Testing for Circuit Breakers

How to predict field life using vacuum interrupters BY FINLEY LEDBETTER, Group CBS Utilities have widely replaced older air-magnetic and oil interrupters for circuit breakers…
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T&D Buyer's Guide

Electrical Substations Articles

Substation Focused on Environmental Design

Substation Focused on Environmental Design

One of the important trends in design of new overhead lines over the past 20…
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Reconditioned SF₆ Gas: An Environmentally Friendly Alternative

Reconditioned SF₆ Gas: An Environmentally Friendly Alternative

When it comes to medium and high voltage circuit breakers, there is no better electrical…
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Current Trends in Transmission and Distribution

Current Trends in Transmission and Distribution

Sargent & Lundy has provided comprehensive engineering, development, permitting, high-level consulting, construction management, and commissioning…
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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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Lightning Strikes

Lightning Strikes

In Canada, lightning flashes occur about 2.34 million times a year; with the highest levels…
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