Overhead T&D

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...

Underground Distribution

Underground Smart Grid

In recent years, the cost to bury high-voltage power lines has decreased dramatically. The American Transmission Company reports that installation costs for underground transmission lines (over 100 kilovolts) are now only 2.5 to 10 times the cost of an equivalent overhead line. Consequently, the...

Vegetation Management

Vegetation Management on Transmission Lines

Using LiDAR technologies to enhance operations BY PHILIP CHARLTON, Utility Arborist Association In March 2014, utility vegetation managers from throughout North America gathered in Fort Worth, Texas to share their experience with the use of LiDAR (light detection and ranging) remote sensing...

Disaster & Recovery

Current Trends in Transmission and Distribution

Sargent & Lundy has provided comprehensive engineering, development, permitting, high-level consulting, construction management, and commissioning services for electric power generation and power delivery projects worldwide—approximately 2,000 clients in nearly 100 countries—since...

Wire and Cable

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...

Infrastructure & Technologies

Vibration and Noise Control in T&D

It is very often that “just putting some rubber” to isolate structures creates an inefficient or even a vibration isolation problem, without taking into account the characteristics of the whole system: such as media environment and temperature, material stiffness adjusted to the...

Home T&D Technologies Overhead T&D

ARCOS Callout and Scheduling Solutions

Using the ARCOS Callout and Scheduling solutions, GVEA’s supervisors, dispatchers and line workers, among others, will be able to plan, launch and track the status of automated, after-hours calls for emergency crews from their desktops, tablets and smartphones. GVEA will begin rolling out the ARCOS suite to line crew sections, then plant workers and, eventually, non-union workers needed for storm roles.
Gary Betsill, vice president of Operations for GVEA, joined the utility from Georgia Power
...

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