Electrical Substations

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 the construction and maintenance of Electrical Transmission and distribution infrastructure.…
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Latest Electrical Industry News

The End of the Road for Transmission Incentives

In a significant shift, the Federal Energy Regulatory Commission (FERC) has decided to abandon its transmission incentives policy, particularly the construction work in progress (CWIP)…
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FERC Complaint Targets Duke, PJM Transmission Planning

A coalition of large energy consumers and ratepayer advocates has filed a complaint with the Federal Energy Regulatory Commission (FERC), urging the agency to prohibit…
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3-D Design for Electrical Substations

Exploring 3-D design techniques for electrical substations BY MIKE MINELLI, & HAROLD HARKONEN, Nordmin Engineering Since the 1970s, engineering consulting firms typically have been designing…
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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 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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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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Leakers, What a Mess!

Electric Substation apparatus, transformers and circuit breakers, are the workhorses of the electric transmission grid. Our focus in this article is on the issue of…
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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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Properly Grounded Substations

Properly Grounded Substations

Adequate utility grounding improves power quality, but more importantly, it is essential for worker safety…
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Smart Transformers: Enhancing Grid Efficiency and Reliability

Smart Transformers: Enhancing Grid Efficiency and Reliability

The evolving demands of modern power grids necessitate the adoption of advanced technologies that can…
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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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Three Serious Questions to Ask Now About Condition Monitoring

Three Serious Questions to Ask Now About Condition Monitoring

While condition monitoring is becoming an integral part of daily power grid operations, there’s a…
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