Power Transformers & Electrical Substations

Electrical Substations

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 transmission owners from independently planning "local" transmission projects exceeding 100 kilovolts (kV). The coalition argues...

Why Net-Zero is Cheaper for the UK

The United Kingdom has set an ambitious target to achieve net-zero greenhouse gas emissions by 2050. This goal necessitates a comprehensive transformation of various sectors, including energy, transportation, and agriculture. While the environmental imperatives are clear, there is growing evidence...

Substation Testing & Maintenance

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 poses unique and special challenges, including the connection of the test equipment. In today‘s world, where...

Power Transformers

Transformer Testing & Maintenance

A New Approach to High Voltage Insulation System Testing

Speed is the driving force of successful fault prevention. Early detection of insulation deterioration is key for avoiding asset failure, associated unplanned outages, and physical damage to infrastructure. The traditional testing approaches most teams rely on inhibit quick diagnosis of insulation...

Transformer Testing & Maintenance

Transient Analysis of Power Transformers Using Finite Element Method

A transformer relies on electromagnetic induction through coils to transfer electric energy between two or more circuits. Varying current in the transformer’s primary winding creates varying magnetic flux in the core, which produces varying electromotive force (EMF) or voltage in the...

Transformer Protection

Pennsylvania’s Yaw Bill

In a significant move for Pennsylvania’s energy sector, State Senator Gene Yaw has introduced a transformative piece of legislation aimed at modernizing the state's approach to power plant development and capacity management. The bill, which has been the subject of considerable discussion,...

Home Transformation

Transformation

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. Whether it’s a large, multi-state construction project, managing a storm, or providing power to a single home, Tallman Equipment has the equipment and expertise to make it all happen.

Tallman Equipment was formed in the mid-1940s when John Tallman returned from World War 2 and teamed up with friends from...

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Electricity Today T&D Magazine

Electrical Substations

FERC Complaint Targets Duke, PJM Transmission Planning

Why Net-Zero is Cheaper for the UK

Effective and Safe Testing of GIS Switchgear

Power Transformers

A New Approach to High Voltage Insulation System Testing

Transient Analysis of Power Transformers Using Finite Element Method

Pennsylvania’s Yaw Bill

Transformation

Since 1952 Tallman has been Setting the Standard for Linemen

Transformation Articles

Detect Electrical Discharge Defects with Ultrasound

Critter Guard

Hydrogen Monitoring in the Transformer Headspace Compared to Traditional In Oil Monitoring

The Problem with Birds in Substation Outages

Acutran Transformers: Built to Military Precision

Extend the Life of Your Circuit Breakers

T&D Buyer’s Guide Companies

Transformation Videos

Methodology for Electrical Substation Maintenance Programs

Power Outages in the United States

Distinctly Different

Transformation Shared Media

Electricity Today T&D Magazine - Substations Summer 2020 Special Edition

Electricity Today T&D Magazine - Substation Technologies July&August 2022 Special Edition

Electricity Today T&D Magazine - Electrical Reliability Systems November&December 2022 Special Issue

Deep Packet Inspection Firewalls

Understanding the IEC 61850 Protocol in Substation Automation

Converting Power Lines to Smart Wires

Smart Transformers: Enhancing Grid Efficiency and Reliability

Integrated Security Operations Centers (ISOC)

Ethernet Cable Selection for Utilities

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