Abstract: Variable speed drives (VSDs) operating from the mains can be realized either with a voltage dc-link/voltage-source converter (VSC) or, alternatively, with a current dc-link/current-source ...

WTOP celebrates National Hispanic Heritage Month this Sept. 15 through Oct. 15, with stories spotlighting the contributions, culture and accomplishments of Hispanic communities across the D.C. region.

Sign up for the Slatest to get the most insightful analysis, criticism, and advice out there, delivered to your inbox daily. Out of all the scary moments for the ...

The U.S. real estate market is experiencing increased regional divergence, with prices falling mainly in high-cost states, while the Midwest and Northeast remain resilient. Inventory is rising, ...

There’s a lot of confusion around who qualifies for the updated COVID-19 vaccine. Recommendations have not been finalized, but there are certain groups that qualify across the board. Some states have ...

COLUMBIA, S.C. — Hurricane Gabrielle continues to strengthen in the Atlantic, with satellite images showing powerful thunderstorms wrapping tightly around its center. Gabrielle’s winds are now ...

Stephen Colbert brought back a fan-favorite bit from “The Colbert Report” on Thursday night, in an effort to help audiences figure out how to survive censorship by the Trump administration. This ...

While his days as an NFL quarterback are behind him, Tom Brady will once again throw passes in a competitive setting. The seven-time Super Bowl champion will join several current and former NFL stars ...

While crime falls, the other investigative work of the F.B.I. is being delayed, frustrating law enforcement officials and leading some to quit. By Devlin Barrett Reporting from Washington As President ...

What Willie Randolph remembers most were the sleepless nights. Out of nowhere, it seemed, the division lead was slipping away from his 2007 Mets over the final few weeks of the season, somewhat like ...

A group of congressional Democrats is demanding that President Trump’s inaugural committee explain a rash of financial inconsistencies in filings it made about contributions from corporations ...

John Koblin has covered the Emmy Awards since 2015. The Apple TV+ drama “Severance” and the HBO Max medical series “The Pitt” have only one thing in common: Both shows center on a workplace. OK, two: ...