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Infrastructure & Technologies

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...

Disaster & Recovery

Outage Management Toolbox

Nine capabilities required for an effective OMS system BY MICHEL GILLES, Intergraph Increasing or maintaining power reliability is the fundamental charter for utility companies. For electric utilities to meet customer expectations and adhere to government regulations, they require an efficient way...

Wire and Cable

High-Capacity, Energy-Efficient ACCC® Conductor Case Study

This project won EEI Transmission Project of the Year – 2016 Description: 240 circuit miles, 345 kV line, double bundleProject: Replace 1,440 miles of ACSR conductor with ACCC Objectives Improve reliability (reduced sag and corrosion) Increased capacity to serve growth (2X...

Underground Distribution

Safety in Underground Power Systems

Protecting utility personnel working below ground BY MIKE DOHERTY, PowerTel Utilities Contractors Limited "Safety” in “underground systems” has different connotations for different sectors depending on the tasks performed. “Qualified electrical workers” can have...

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...

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...

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Aging Infrastructure and Grid Modernization

Asset and risk management for electric utilities

BY SIRI VARADAN, UISOL, & SERGE VANASSE, Clevest

Aging transmission and distribution (T&D) infrastructure is a critical issue for electric utilities, resulting in the need for utilities to make decisions regarding the replacement, repair, or refurbishment of their assets under a constrained investment environment and other factors.

North American electric utilities are faced with determining the optimal portfolio of asset investment projects from a number of potential projects...

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