IN a paper read before the Institution of Electrical Engineers on March 6, D. C. Gall describes the design and behaviour of a direct-current amplifier, entirely alternating-current mains-operated, and ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Electromagnetic Demonstration ...

Three major high-voltage direct current (HVDC) technology giants—GE Vernova, Siemens Energy, and Hitachi Energy—will join forces with four German transmission system operators—50Hertz, Amprion, TenneT ...

High-voltage direct current (HVDC) technology offers several advantages compared to alternating current transmission systems. For example, it allows more efficient bulk power transfer over long ...

Mitsubishi Electric (OTCPK:MIELY) entered into a share transfer agreement last week for wholly acquiring Swedish-based, Scibreak AB, company that develops direct current circuit breakers. Both the ...

Gogo (NASDAQ: GOGO), a leading global provider of broadband connectivity services for executive and mil/gov aviation, has confirmed Supplemental Type Certificate (STC) approval from the European Union ...