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Infrastructure & Technologies

Detecting Faults in Underground Networks

Enhancing protection using directional faulted circuit indicators BY CHRISTOPHER EVANICH, Thomas & Betts Underground electrical networks provide reliable service to end users, but create problems for utility personnel in locating faults. Electric utilities who utilize an underground network...

Vegetation Management

Scheduling Vegetation Maintenance Activities

How to adopt best practices to improve reliability and reduce costs BY PHILIP CHARLTON, Utility Arborist Association Electric utilities have always faced the challenge of determining the optimum frequency of maintenance operations for the control of trees and brush growing near the electric system....

Infrastructure & Technologies

Coping with Extreme Weather Events

How to optimize the entire outage lifecycle BY RICK NICHOLSON, Ventyx The extreme weather just keeps coming. In 2012, there were 11 outages due to severe weather costing at least $1 billion. The year of 2013 had its share as well. More and more, the scale and variety of such major events are...


Underground Distribution

Intelligent Underground Distribution

Unearthing the potential in Smart Grid technologies BY DOUG HOUSEMAN, IEEE Senior Member, EnerNex Corporation After Hurricane Sandy, resiliency became a key factor in the modernization of the power grid. In looking at modernization and resiliency, underground was the first item on many lists....

Infrastructure & Technologies

Substation Focused on Environmental Design

One of the important trends in design of new overhead lines over the past 20 years has been development of structures and designs that are less obtrusive and more pleasing visually. Much the same process has also been going on at substations. For example, even 25 years ago, efforts had already been...

T&D Technologies

Cable Cleats Testing - Crucial to Cable Management

Essentially, cable cleats are devices designed to secure cables and to ensure the retention and support of them, reducing the load that the cable may be exposed to under its own weight. They are also designed to contain the cables under fault conditions, protecting the cables and the cable management system from damage.
The first European cable cleat standard, EN 50368, highlighted the retention and support that cable cleats provided to cables. Most importantly, the...

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