Overhead T&D

Overhead Distribution

Q&A: Transmission Line Inspection Using Robotics

A: Hydro-Québec’s power transmission system, the most extensive in North America, covers close to 34,000 km. Similar to many power utilities, we need thorough infrastructure inspections to ensure system reliability, availability, and performance.Therefore, we have, developed robotic...

Underground Distribution

The Role of Cable Rejuvenation in Addressing the Maintenance of Aging Underground Cables

Aging underground residential distribution (URD) cables is a growing problem in communities around the world, disrupting customers and causing business challenges for utility providers. But in most cases, the traditional remedy for URD cable failure—taking the impacted...

Vegetation Management

Advanced Survey Technologies Deliver Clear View of Geologic Hazards

Electric utilities commonly use trained foresters, traversing thousands of miles, to manually identify vegetation or other geographic hazards posing risks to transmission infrastructure. For one utility in the Western United States, the challenging terrain and accuracy limitations of laser range...

Pole Line Hardware

Insulators' ageing in North America - How about testing them?

Sediver has established in the USA an assembly factory for glass insulators in 2017 but also, and perhaps more interesting for some engineers, a laboratory capable of performing all the tests required by the world’s standards. Large test campaigns have already been conducted in this...

Conductors & Materials

The Evolution / Revolution of Overhead Conductors... and why it matters

Brief Background: In the early 1900’s Aluminum Conductor Steel Reinforced (ACSR) conductor was developed to replace copper wires, due to the war effort when copper was needed for munitions. In the 1970’s growing demand for electricity inspired the development of higher capacity...

Case Study

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...

Home T&D Technologies Overhead T&D

United Power Installs Hendrix Aerial Spacer Cable Solution to Address Fire Mitigation Needs

Based in Brighton, CO, United Power Inc. is the 2nd largest electric cooperative in Colorado. With over 5,000 miles of power lines and nearly 83,000 meters, they serve over 200,000 customers along the north central range of the Colorado Rockies. A section of the United Power service area also heads up into the mountains, providing power to some 5,500 remote homes in and around the 12,000 acres of Golden Gate Canyon State Park.
Rugged terrain...

Overhead T&D Articles

Pole Line Hardware

T&D Buyer’s Guide Companies

Overhead T&D Videos

Overhead T&D Products

Overhead T&D Shared Media

Catalog