Electricity Today is a leading electrical transmission and distribution magazine distributed subscribe free of charge to North American T&D electric utility engineering, construction and maintenance personnel, and high voltage T&D consulting engineers.
In the Latest Issue
How utilities can protect bulk electric system control centers
BY ANDREW GINTER, Waterfall Security
While industry experts debate the likelihood of an attack against the power grid, the U.S. Department of Homeland Security (DHS) has already issued an alert that such threats are real and are on the rise. In fact, anything that is accessible directly or indirectly via the Internet is open to hacking, and the power grid is no exception. (more…)
Improve protection with a layered security approach
BY ERIC BYRES, Belden Inc.
An age-old joke in the North American power industry states that if Alexander Graham Bell walked in the room today, he would not recognize the telephone, the technology, or its business model. However, if Thomas Edison walked in, he would still understand the current state of electricity and power generation and distribution. Utility engineers have one of the hardest jobs in the world: delivering safe, reliable power, at all times—and that does not mean just keeping the lights on by protecting against extreme weather or failed equipment. (more…)
Leveraging AMI to improve grid reliability and outage response
BY TIM WOLF, Itron
Getting a handle on overall grid reliability and outage trends for the entire U.S. can be challenging. Despite generally high reliability numbers, power outages are occurring more frequently and the U.S. Department of Energy estimates that outages cost the American economy as much $150 billion per year. Unfortunately, outages are affecting more people and lasting longer than just a decade ago. These facts are due, at least in part, to a combination of underinvestment in the power grid over the past quarter century, continually increasing demand for electricity among businesses and consumers, and the more frequent occurrence of severe storms. (more…)
Florida Power & Light takes steps to keep lights on
Managing vegetation (that is, trees, bushes and other neighboring plants) around power lines is a top priority for electric utilities. According to the U.S. Environmental Protection Agency (EPA), unmanaged vegetation can cause electricity outages, wildfires, soil erosion, and water quality issues. These unfortunate incidents can damage the power grid, resulting in serious consequences such as reliability, environmental, and national security problems. (more…)
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 could spend several weeks trying to locate a fault or potentially not even be able to locate it until a second fault occurs. (more…)
Electrically conductive pastes in high-voltage transformers
BY LISA RINALDO, Prohm-tect
As with other components of North American infrastructure such as wastewater and stormwater systems, much of the continent’s electrical grid faces long-term problems. Aging facilities, rising energy demand, and the need to avoid power outages challenge utilities everywhere.
Perhaps this harsh reality is epitomized with high-voltage power transformers, the kind used to transmit electricity long distances over power lines, as these giants form an integral part of the far-reaching network. (more…)
How to protect workers with an occupational health and safety management system
BY IVANA STRGACIC, Strategies for the Environment Inc.
Reliability (that is, keeping the lights on) is at the forefront of electric utility business plans. Another important item that takes priority in these plans is electrical safety. Linemen are part of the overall equation when power outages occur, so implementing the most efficient business safety practices possible is paramount. One way that utilities can achieve zero injuries in the workplace is by implementing an occupational health and safety management system (OHSMS). (more…)