Opinion
The National Interest on MSNOpinion

How to Prevent the Inevitable Collapse of the US Power Grid

To secure the US power grid, FERC must provide strong financial incentives to accelerate deployment of proven protection technologies. The Center for Security Policy and the Secure the Grid Coalition ...
Machine Design

Solid-State ac Power Sources for Transformer Testing

Solid-state ac supplies replace motor-generator and tap-changing transformers to offer the same tests at the push of a button • Solid-state ac-power sources combine the variable-frequency and ...

The northern lights' dark twin is a wild card for the power grid

Scientists are working to understand how magnetic currents from the sun spread beneath Earth's crust when the northern lights ...
IEEE

High-Frequency AC Resistance and its Application in Material Identification for Transformer Windings

Abstract: Due to the skin effect, the ac resistance of a metallic conductor increases with increasing frequency [1]. The skin effect is strongly related to the metal material of the conductor; ...
IEEE

The Magnetic-less Single-Stage Isolated DC/AC Converter Based on Piezoelectric Transformer

Abstract: This paper proposes a novel approach to enhance the performance of single-stage isolated DC/AC converters by employing magnetic-less configuration, not reported in academic publication ...