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...

Wire and Cable

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...

Underground Distribution

ASHER Cable Scrapper from TSE

The TSE Cable Scrapper is Al Asher and Sons’ latest product innovation for 2015. Formerly known as OK Champion, the industry has long recognized the Cable Scrapper as the go-to product for salvaging underground cable up to four-inch diameter. The machine will pull, cut, and load cable all day...

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...

Conductors & Materials

Insulators' ageing in North America - How about testing them?

Sediver has established in the USA an assembly factory for glass insulators in 2017 but also, and perhaps more interesting for some engineers, a laboratory capable of performing all the tests required by the world’s standards. Large test campaigns have already been conducted in this...

Overhead Distribution

Energy Ottawa's State-of-the-Art, Non-Destructive Cable Measurement System for Medium Voltage Distribution Cables

Energy Ottawa offers a state-of-the-art, non-destructive cable measurement system for the dependable assessment of medium voltage distribution cables. We have partnered with National Research Council Canada (NRC), the Government of Canada’s premier research and technology organization, to...

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The Vegetation Management Program

How to mitigate risk and ensure reliability

BY SARA SANKOWICH, Unitil

For most North American electric utilities, vegetation management (VM) is a critical part of system maintenance. Utilities strive to maintain normal conditions and ensure the system can withstand normal weather events. Even on a fair day, a broken limb or downed tree can cause an outage. By implementing a successful vegetation management program, utilities can help ensure reliability and mitigate risk.

One successful...

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