Abstract: This paper presents a direct power control (DPC) for three-phase matrix converters operating as unified power flow controllers (UPFCs). Matrix converters (MCs) allow the direct ac/ac power ...

As a starting point, a graphical characterization of general SAMS is developed in which a so-called control flow diagram (CFD) is constructed to represent the interaction forces among the degrees of ...

It comes a day after air traffic control systems suffered a breakdown ... out around the airport to help maintain a steady and safe flow of aircraft while the situation is being resolved.

France's civil aviation authority asked airlines to reduce flights by 40 per cent at Paris-Orly airport on Sunday evening after air traffic control systems suffered a breakdown. The authority ...

FILE - Passengers arrive at Orly airport, south of Paris, Monday, May 13, 2019. (AP Photo/Christophe Ena, File) 28,921 people played the daily Crossword recently. Can you solve it faster than ...

France’s civil aviation authority said some flights were still being cancelled and others delayed at Paris-Orly airport, one day after air traffic control systems suffered a breakdown that ...

PARIS (AP) — France’s civil aviation authority said some flights were still being cancelled and others delayed on Monday at Paris-Orly airport, one day after air traffic control systems ...

PARIS (AP) — France's civil aviation authority asked airlines to reduce flights by 40% at Paris-Orly airport on Sunday evening after air traffic control systems suffered a breakdown. The ...