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 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 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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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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Protective Relay Frustrations

Solving misoperation with line parameter measurements BY WILL KNAPEK, OMICRON USA Between 80 to 90 percent of all power system faults involve ground. Many protective…
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Properly Grounded Substations

Adequate utility grounding improves power quality, but more importantly, it is essential for worker safety as well as public protection. Design is critical in maintaining…
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Critter Guard

Distinctly DifferentAccording to the American Public Power Association, squirrels are among the top causes of power outages across the United States. The Great Lakes region…
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Critter Guard Introduction

Distinctly Different According to the American Public Power Association, squirrels are among the top causes of power outages across the United States. The Great Lakes…
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Electrical Substations Articles

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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FERC Rejects PJM Transmission Planning Change

FERC Rejects PJM Transmission Planning Change

The Federal Energy Regulatory Commission (FERC) has rejected a proposal from PJM Interconnection, one of…
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Vacuum Interrupter Testing for Circuit Breakers

Vacuum Interrupter Testing for Circuit Breakers

How to predict field life using vacuum interrupters BY FINLEY LEDBETTER, Group CBS Utilities have…
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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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Electrical Substation Maintenance

Electrical Substation Maintenance

Improving safety and methodology techniques to protect utility workers BY LARRY LAWRENCE, Lineman’s Testing Laboratories…
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