Obtaining reliable data from electric utilities about magnitude and duration of single-phase, line-to-ground fault currents at the service entrance of commercial and industrial facilities is of ...

The study shows that a combination of water content, plasticity index, and dry density, can provide a reliable prediction model for soil resistivity, paving the way for the cost-effective design of ...

Duke Energy is evaluating the use of a point to point digital secondary system to reduce the amount of copper utilized in traditional substation protection designs. Table I below, lists various ...

Sandwiched between freeways and local buildings, the site of the new Marquam substation in downtown Portland presented numerous engineering, construction and logistical challenges. Note the new ...

For the design of reliable power grounding systems for critical electrical infrastructure, soil resistivity investigation is crucial. However, soil resistivity depends on various geotechnical ...