The use of Dissolved Gas Analysis (DGA) as a method for determining the types of pending or occurring faults within power transformers has been in practice for many years. It has been proven that the ...

The interruption of electric power circuits has always been an essential function, especially in cases of overloads or short circuits when immediate interruption of the current flow becomes necessary ...

This article discusses why voltage as well as frequency load shedding may be necessary to prevent major system blackouts. It is the first of two articles on the important subjects of power system ...

There is a shortage of high-voltage transmission lines in the United States, and demand is expected to grow at least 20 percent in the next decade. Yet selection of transmission line routes is a ...

Moisture content of solid insulation is a concern for power transformers as it causes several detrimental effects on the insulation’s integrity. Moisture content assessment is often derived from an ...

Industry 4.0 has long been a buzzword in the manufacturing and industrial sectors. Representing the fourth industrial revolution, Industry 4.0 highlights the transition from steam and electric power ...

Distribution operations, like those at the transmission level, have undergone great change as a result of advances in information technology as well as external forces such as market restructuring.

Ever wondered how much electric energy the world consumes or how much energy is lost on its way from power plants to end user customers? Have you wondered how much energy could be saved or greenhouse ...

There is an increased focus on transmission and distribution investments to address aging and distressed infrastructure. Previously voluntary reliability programs under the North American Electric ...

Batteries are among the least expensive pieces of equipment in a substation, and they are the heart that keeps the protection and control system running. Despite this, they are often not maintained ...

Nearly 175 years after America’s first wooden utility poles were installed to carry telegraph wires from Washington, D.C. to Baltimore, they have become a classic element of the American landscape.

IN THE PAST, the distribution aspects of electric utilities were part of vertically integrated monopolies responsible for generation, transmission, distribution, and customer service. Prior to the ...