Abstract: The paper describes the operation principles of automated system for arc disturbances control during current collection for AC and DC electrified railway lines, proposes the comparison of ...

Abstract: An injection method for an active filter which eliminates the harmonics present in AC lines by injecting PWM harmonic compensating current is proposed. In the proposed method, the active ...

The Airbus A350-900 is Delta Air Lines' flagship subfleet, at least until its -1000s are delivered. According to ch-aviation.com, it has 37 A350-900s, not all active. They have three very different ...

To enhance air connectivity from India to Europe and North America, IndiGo, Delta Air Lines, Air France-KLM and Virgin Atlantic announced a partnership. Listen to Story IndiGo, Delta, Air France-KLM, ...

Air traffic control in the United States has become a topic of controversy in 2025. Recently, numerous blackouts for Newark's controllers have shed light on the outdated equipment in use, while a ...

Both share borders with Russia, so they bring an important perspective to the alliance as countries on its front lines. They are well aware of the Russian threat. Strzelecki said the Lively Sabre ...

It is good to look at new developments that now allow more efficient long-distance transmission of electrical energy by DC current, replacing a four-wire WYE configuration AC lines with only a ...

This story originally appeared in Capital & Main. Remember the banana peels, apple cores and leftover pizza you recently threw in the garbage? Today, your food waste, and your neighbors’, is emitting ...

Atlético Nacional has nine points and is already qualified. They will visit Nacional, who have four points and still dream of the South American playoffs. Inter has eight points and has the advantage ...

'Bolso' hosts 'Verdolaga' at the Gran Parque Central to dispute the last matchday of the group stage of the CONMEBOL Libertadores 2025. In Matchday 6 of Group F of the CONMEBOL Libertadores, Nacional ...

MINNEAPOLIS, Minn. — In a video that gives new meaning to the phrase “unruly passenger,” a Delta Air Lines flight had to deal with stowaway pigeons. The flight heading from Minneapolis-St ...