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Conductors & Materials

Monitoring Underground Lines with SCADA

How SCADA can help prevent repairs and service disruptions BY RICHARD CLARK, InduSoft Underground transmission and distribution lines create unique challenges, as they require special insulation materials to protect conductors, and complex cooling systems because heat cannot be dissipated in free...

Vegetation Management

FERC Complaint Targets Duke, PJM Transmission Planning

A coalition of large energy consumers and ratepayer advocates has filed a complaint with the Federal Energy Regulatory Commission (FERC), urging the agency to prohibit transmission owners from independently planning "local" transmission projects exceeding 100 kilovolts (kV). The coalition argues...

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...

Case Study

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...

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...

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...

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The Future of DC Transmission

An inside look at the rise of HVDC technologies

BY DIETMAR RETZMANN & KARL UECKER, Siemens Energy

The answer to the dreaded cry from towns and neighborhoods against building substations close by may be as simple as a four letter word (or acronym)—HVDC. Short for high-voltage direct current, this evolving technology has numerous applications and benefits. High-voltage direct current transmission systems combine high reliability with a long life expectancy, making this trending technology a powerful...

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