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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...

Conductors & Materials

Fiberglass Reinforced Polymer Crossarms 5th Percentile Design Strength Value Development

Introduction In 2007, the National Electric Safety Code (NESC) standards committee adopted composite poles, crossarms, and braces into the code. This action was significant in mandating the composite electrical structures manufacturing industry to publish their design strength values to a 5% Lower...

Case Study

Fort Collins Municipality Case Study

A proposal for equipping broadband services to the Fort Collins, CO, municipality was approved by residents and a $120 million bond is now providing Fort Collins with resources to build and improve the municipality’s infrastructure so it can support broadband service for any qualifying...

Wire and Cable

Cable Testing Comes of Age - One Cycle at a Time

Field Testing of MV and HV cables has come a long way in recent decades. Gone are the days of old, when the traditional DC (Direct Voltage/Current) hipot was the recommended method for testing these modern cables that form the critical backbone of the distribution electrical power network....

Infrastructure & Technologies

The Three R's: Reducing the Environmental Impact of SF6

Sulfur Hexafluoride (SF6) Gas is used as an electrical insulator and arc suppressant in high and medium voltage electrical equipment in the electrical power utility and industrial power industries. SF6 is also used in medical devices, metal production and other manufacturing applications. The same...

Pole Line Hardware

Transmission Line Resiliency

Resiliency is a term used more and more by transmission line stakeholders including designers, operators, and owners. Resilience is simply defined as toughness or the capacity to recover quickly from difficulties. It can be used to describe a system, an object or even a person. Dr. Ginsburg, child...

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Converting Power Lines to Smart Wires

Increasing the observability and control of the transmission network

BY FRANK KREIKEBAUM, JERRY MELCHER, & JULIE COUILLARD, Smart Wire Grid, Inc.

The North American power grid has evolved into a connected set of four major interconnections delivering low-cost and reliable energy. The U.S. Energy Information Administration reports that the real price of electricity has dropped by a factor of 45 over the last 120 years in the United States. Meanwhile, a study published by the...

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