Overhead T&D

Infrastructure & Technologies

Overhead T&D, Direct Current Technology

Direct current (DC) is the preferred technology for moving large amounts of power across long distances. DC results in overall higher efficiency and reliability than an equivalently-sized alternating current (AC) system moving the same amount of power. The Advantages of DC More efficient: Over long...

Overhead Distribution

Outage Management: Restore Power in Less Time

Improving power grid reliability is a major goal of the electric power industry and can reduce economic losses, lost productivity, and customer inconvenience from power disruptions. For several utilities, Smart Grid Investment Grant (SGIG) funding accelerated the application of fault location,...

Underground Distribution

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...

Outage Management & Restoration

Emergency Response Kitting

Equipping utilities to restore power quickly and efficiently BY JOE D’ORAZIO, HD Supply Power Solutions In the days before Hurricane Sandy hit the East Coast of the United States, knocking out power from North Carolina to Maine and as far inland as Western Pennsylvania, utility contractors were...

Distribution Protection

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...

Wire and Cable

Copper Theft: A Call to Action

How utilities can stand firm to save money and save lives BY PHILL FELTHAM, Executive EditorElectricity Today Magazine Copper theft has become a growing problem for utilities in Canada and the United States. This precious metal has increased in value in recent years, so thieves are stripping...

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Casting Doubts on Global Positioning

Many fleet executives working at electric utilities have doubts about implementing global positioning system (GPS) tracking technology into their fleet operations. A number of doubts exist. For example, GPS technologies are designed to track a vehicle’s whereabouts; this can lead to trust issues between fleet executives and their drivers. Second, the utility might not have the budget to include technologies such as GPS tracking on its expense sheet. Lastly, fleet executives might believe that the...

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