Electricity Forum Intelligent Power Today Magazine Arc Flash Clothing

News and Trends

Latest News From The T&D Industry

New Jersey Cancels Fourth Offshore Wind Farm Award

In a significant shift in its renewable energy strategy, New Jersey has recently decided to cancel its plans to award a fourth offshore wind farm project. The decision marks a crucial moment in the state’s ongoing efforts to expand its offshore wind sector, which has long been hailed as a critical component of the state's ambitious clean energy goals. The move has prompted a mix of reactions, raising questions about the balance between clean energy...

Popular T&D Articles


T&D Buyer's Guide


T&D News


Renewable Energy News

ES Foundry Opens Solar Factory in South Carolina

As the U.S. strives to strengthen its domestic renewable energy sector, ES Foundry, a new player in solar cell manufacturing, is helping to reshape the landscape. The company recently celebrated the grand opening of its cutting-edge facility in South Carolina, marking a significant step toward...


Utility News

Case Study: Rapid Changes in Bushing Health

IntroductionContinuous online monitoring of bushings provides real-time information which can result in the early detection of a possible failure. Challenge: A Major AlarmA prominent U.S. utility was looking for a way to improve system reliability for their 138kV assets. They researched and...

T&D Trends


Utility News

Clean Energy Stakeholders Push to Preserve IRA Tax Credits

As the U.S. energy landscape shifts towards cleaner, renewable sources, stakeholders in the solar, storage, and broader clean energy sectors are intensifying their lobbying efforts in Washington, D.C., aiming to secure the future of critical tax incentives introduced under the Inflation Reduction...

Electrical Substations

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 a safe equipotential environment all around the substation.

Construction is important to accommodate fault currents without leaving the substation with dangerous potential gradients.

A tester must establish a sufficiently low resistance to remote earth so that operation remains within safe parameters. Similarly, safe step and touch potentials must be established for the protection of workers and public during fault conditions. Step potential is the distance between a person’s feet and touch potential is the voltage between the energized object and feet of the person.

ELECTRICAL PROPERTIES OF SOIL
Undoubtedly, grounding begins with the earth itself; that is to say, the electrical properties of soil and its ability to carry return current and disseminate fault currents. This property is known as resistivity.

Soil structure and...

Electrical Substations Articles


Substation Technologies

Grounding System Maintenance Guide

Grounding systems are a crucially important component of any power supply system, because they directly impact public and employee safety, supply system reliability, power quality and life expectancy of power equipment. In spite of their crucial role in safe, reliable, and economic operation of...
Substation Technologies

Circuit Breaker Lubrication

Developing circuit breaker lubrication procedures BY RICK YOUNGBLOOD, Doble Engineering Company Circuit breaker analyzers are used to determine operating speeds and velocity. This information enables the tester to determine if a breaker is safe to place back into service. The data recorded by a...
Physical Security & Monitoring

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 has squirrels as the #1 cause of sustained outages. And in many cases, bird related outages are at number two.Nobody likes to...
Breakers & Relays

Power Factor Testing of Circuit Breakers

Detecting contamination and deterioration in SF6 breakers to ensure longevity BY LINDA NOWAK, Doble Engineering Company The purpose of “Doble testing”, or power factor testing, SF6 (sulfur hexafluoride) circuit breakers is to detect the presence of contamination and/or deterioration of the...