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Q&A: Transmission Line Inspection Using Robotics

A: Hydro-Québec’s power transmission system, the most extensive in North America, covers close to 34,000 km. Similar to many power utilities, we need thorough infrastructure inspections to ensure system reliability, availability, and performance.Therefore, we have, developed robotic...

Conductors & Materials

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...

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...

Distribution Protection

ArmorBuiltTM Wildfire Shield Proven Protection for Utility Poles

IntroductionIn November of 2018, the deadliest, most destructive wildfire in California history burned a total of 240 square miles, destroyed 18,804 structures and resulted in 85 civilian fatalities. Known as the Camp Fire, it devastated several communities including the towns of Paradise and...

Disaster & Recovery

Climate Crisis Threatens Canada’s Ice Roads for Indigenous Communities

The warming climate is rapidly transforming the landscape of northern Canada, particularly for Indigenous communities who rely on ice roads for critical supplies. These roads, made from snow and ice, are the only accessible routes during winter months, connecting remote First Nations to the outside...

Outage Management & Restoration

Q&A: PSE&G Reflects on Hurricane Sandy

Q: Reflecting back at Hurricane Sandy two years ago, what steps did PSE&G take to restore power? What were the lessons learned? OUR EXPERT | Richard Wernsing, Manager of Asset Strategy, Electric at Public Service Electric and Gas (PSE&G) Prior to any storm, PSE&G (Public Service...

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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 be an unexpected failure or an issue with the line itself, interviews revealed that the truck equipped with the line had been out on multiple back-to-back shifts...

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