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Infrastructure & Technologies

Transmission Line Design

Taking 3-D drawing techniques to new technological heights BY BOB ZAPPITELLI, & HAROLD HARKONEN, Nordmin Engineering Historically, transmission line design and drafting has been an arduous task. It often involved an iterative manipulation of several parameters to achieve a final solution. The...

Pole Line Hardware

Roping Electrical Equipment

How synthetic ropes show results for heavy lifts BY BILL PUTNAM, Yale Cordage Years ago in Oklahoma, an investigation ensued after a pole-mounted transformer dropped thirty feet off a wire winch line and onto the foot of a line worker during a routine maintenance operation. Initially thought to...

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...

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...

Conductors & Materials

Fiber-Reinforced Composite Cross Arms for Transmission Structures

Fiber-reinforced polymers versus traditional cross arms materials BY JANOS TOTH & GRANT LOCKHART, FRP Transmission Innovations Inc. Recently, utilities have started using newer options such as component polyurethanes instead of older, widely used conventional materials. Specifically,...

Outage Management & Restoration

Outage Management Review: Outage Intelligence

The permeation of intelligence into the medium-voltage network is continuing apace, bringing the reality of the Smart Grid ever closer. One target of the Smart Grid is to improve service continuity by recognizing, locating, and isolating faults as quickly as possible. Concurrently, the amount of...

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Working Live on Transmission Line Structures

Developing protective coating maintenance strategies

BY GEORGE JUHN & ALEX MOGILEVSKY, CEATI International

Aging of the electrical transmission infrastructure has resulted in an increased need for maintenance to ensure a reliable supply of power to customers who have higher expectations than ever before. Further complicating the situation is an increase in electrical congestion and the financial implications of shutting down a supply or network line for extended periods of time to carry out the required...

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