Abstract: This paper presents a thorough study of the operation of Modular Multilevel Converters (MMC) connected to a back-to-back High Voltage Direct Current (HVDC) grid during AC fault conditions.

Abstract: The increasing power/load demand is becoming a new concern for the grid operators as it can potentially overload transmission lines. Among advantages of a multi-terminal dc (MTDC) grid, its ...

We live in an amazing time when it comes to digital technologies. Things that were considered science fiction a few years ago are now scientific fact. What brought this to mind is this downloadable ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. The longest government shutdown on record cost Delta Air Lines an estimated $200 million, CEO Ed ...

Ben Smithson is a travel loyalty expert based in London. This is a recurring post that is regularly updated with new deals and offers. For three days only, Delta Air Lines is offering a sale on ...

AC Milan bring in Christopher Nkunku with Rafael Leao, Luka Modric and Adrien Rabiot, as they host Lazio with Mattia Zaccagni, Boulaye Dia and Matteo Guendouzi. It kicks off at San Siro at 19.45 GMT.

If you’re after a vacuum that does the work for you, you can get 50 per cent off the Ecovacs Deebot N20 Pro Plus Robotic Vacuum and Mop, down to just $458. Or, score 44 per cent off the Ecovacs Deebot ...

Lines, deals, and good company — Black Friday in Paducah Jason Thomason Nov 28, 2025 ...

No changes will be made to the Constitution. Ukraine will not recognize Russia's occupation of any territories and will not agree to any changes to the Constitution as part of a potential peace ...