Overhead T&D

Outage Management & Restoration

BIRDS AND SUBSTATION OUTAGES

Birds wreak havoc at hundreds of substations every year, undermining system reliability and costing millions. Bird incursions can have disastrous results: equipment damage, outages and expensive cleanups due to corrosive droppings.Even worse: the traditional deterrents provide only temporary,...

Conductors & Materials

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...

Pole Line Hardware

Facing Wildfire? Choose Toughened Glass Insulators

Insulators under fire, what are we talking about? A line directly in the fire is considered as lost A line near the heat of a fire can be saved What is the condition of insulators on a line nearby a fire? Reliability of insulators during or after a fire is a key consideration for T&D...

Wire and Cable

Reducing Partial Vacuum Induced Flashovers in 25 kV Class Loadbreak Separable Connectors

The 25 kV Class 200 Ampere loadbreak separable insulated connector system didn't always have today's reputation for safety and reliability. As 25 kV Class loadbreak connectors increased in popularity in the 1980's and 1990's, utilities reported unacceptably high numbers of flashovers...

Case Study

The End of the Road for Transmission Incentives

In a significant shift, the Federal Energy Regulatory Commission (FERC) has decided to abandon its transmission incentives policy, particularly the construction work in progress (CWIP) incentives. This decision marks a pivotal change in how transmission projects are financed and regulated,...

Infrastructure & Technologies

Fighting Wildfires to Increase Pole Protection

Evaluating pole selection for increased protection BY BUTCH BERNHARDT, North American Wood Pole Council The number of wildland fires reached record levels in many states in 2014, prompting questions about what poles perform more efficiently in fires: steel or wood. Research from a bulletin...

Home T&D Technologies Overhead T&D

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...

Overhead T&D Articles

Infrastructure & Technologies

T&D Buyer’s Guide Companies

Overhead T&D Videos

Overhead T&D Shared Media

Catalog

Outage Management & Restoration

Conductors & Materials

Pole Line Hardware

Wire and Cable

Case Study

Infrastructure & Technologies

Overhead T&D

Overhead T&D Articles

T&D Buyer’s Guide Companies

Overhead T&D Videos

Overhead T&D Products

Overhead T&D Shared Media