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 Last Issue
Convergence of information and operation technologies (IT & OT) to build a successful Smart Grid
BY RICK NICHOLSON, Ventyx
Smart Grid is a buzzword that has become an intrinsic part of the North American electric utility industry language in the past few years. Nearly every participant in the industry—investor-owned utilities (IOUs), municipalities, operators, vendors, consultants, analysts, and regulators—promotes the Smart… Read More
Understanding differences between GIS and AIS in five points
BY GAETAN DJENANE, Schneider Electric, Inc.
Many considerations must be taken into account before selecting the electrical medium-voltage (MV) switchgear that best meets a user’s needs. From a management perspective, considerations include the purchase price, the life expectancy of the switchgear, and the size of the equipment, the amount of time… Read More
Taking metering technologies to the next level
BY BRIAN SEAL, Electric Power Research Institute
Between 2004 and 2009, the production of traditional electromechanical electricity meters in the U.S. was gradually shutdown in the wake of the successful introduction of solid-state electronic meters.
This transition was the most significant change in metering technology in over a hundred years. Although it has been… Read More
Fiber-reinforced polymers versus traditional cross arms materials
BY JANOS TOTH & GRANT LOCKHART, FRP Transmission Innovations Inc.
Recently, utilities have started using newer options such as component polyurethanes instead of older, widely used conventional materials. Specifically, fiber-reinforced polymer shows promise in providing reliable, cost effective, and durable support for conductors, under challenging environmental conditions.
This issue’s Overhead T&D Channel weighs the… Read More
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 air as with overhead lines. Despite the additional expense of specialized insulation materials and cooling systems, not to mention… Read More
Turning electrical assets into green machines
BY RONNY FRITSCHE & GEORG PUKEL, Siemens AG
Transformers are one of the most important components of energy grid systems. They enable the efficient transport of electric energy from the location where the energy is generated to the location where the energy is needed.
Transformers, especially power transformers, are conventional electric equipment based on physic… Read More
Selecting the right FR clothing is the first step.
Glen Raven is a global leader in high-performance, inherently flame-resistant protective and hi-visibility fabrics for the utility, petroleum and industrial apparel markets. The health and safety of the men and women in these dangerous environments depend on the protection that our thermal protective fabrics provide. Working closely with their customers,… Read More