Overhead T&D

Underground Distribution

Monitoring Underground Lines with SCADA

How SCADA can help prevent repairs and service disruptions BY RICHARD CLARK, InduSoft Underground transmission and distribution lines create unique challenges, as they require special insulation materials to protect conductors, and complex cooling systems because heat cannot be dissipated in free...

Disaster & Recovery

Speed Up Damage Assessment, Assembly and Dispatch of Resources During Outage Events

In a survey conducted in September 2016 by ARCOS LLC (a provider of emergency resource management software), the software provider asked utilities how they manage damage assessment in the wake of major events like storms and earthquakes. Thirty-five percent of utilities polled said they relied on...

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...

Overhead Distribution

Energy Ottawa's State-of-the-Art, Non-Destructive Cable Measurement System for Medium Voltage Distribution Cables

Energy Ottawa offers a state-of-the-art, non-destructive cable measurement system for the dependable assessment of medium voltage distribution cables. We have partnered with National Research Council Canada (NRC), the Government of Canada’s premier research and technology organization, to...

Infrastructure & Technologies

Power Grid Congestion

Unclogging the arteries of North America’s power grid BY DAVE BRYANT, CTC Global Corporation Without access to affordable and reliable electricity, no society in today’s world can possibly flourish. Canada and the U.S. rely heavily on electricity to pump water to grow crops,...

Distribution Protection

Underground Distribution Sensors

Exploring the benefits of wide-area monitoring BY TED MYERS, On-Ramp Wireless The average citizen and business experiences over 120 minutes of electricity outage duration a year. This has a significant societal impact costing 10s to hundreds of billions of dollars annually. Furthermore, the measure...

Home T&D Technologies Overhead T&D

Solving Underground Cable Problems with Partial Discharge Testing

How to prevent failure with partial discharge testing

BY HENNING OETJEN, Megger

Partial discharge (PD) measurements are increasingly used as a reliable and non-destructive diagnostic method to detect weak spots in the insulation of underground cables. Routinely, partial discharge measurements are utilized in laboratories for testing cable reels prior to commissioning and in the field to verify installation quality.

Typically, many factory-testing standards require that workers use a 50/60 hertz (Hz) high-voltage...

Overhead T&D Articles

Outage Management & Restoration

T&D Buyer’s Guide Companies

Overhead T&D Videos

Overhead T&D Products

Overhead T&D Shared Media

Article