Abstract: High-voltage direct current (HVdc) circuit breakers based on power electronic technology usually require a large number of insulated-gate bipolar transistors (IGBTs) to achieve ...

AFCAT Results 2025: The Indian Air Force (IAF) has declared the AFCAT Result 2025 for the Air Force Common Admission Test (AFCAT) 2. Candidates can now check the result from the official portal: afcat ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

FAYETTEVILLE -- Thirty-six years of coming to the Washington County Courthouse almost every day is finally enough for Circuit Judge John Threet. "I've been coming to the courthouse since 1989," Threet ...

In alternating current (AC), the voltage and direction of the electric current periodically change direction. Many sources of electricity, such as electromechanical generators, produce AC current with ...

In the simplest of terms, an AC generator supplies power directly to a 120-volt circuit to run AC accessories throughout a boat, as well as charge the boat’s batteries (through an AC-to-­DC charger).

Hunan Key Laboratory of Nanophotonics and Devices, School of Physics, Central South University, Changsha 410083, Hunan, China Hunan Key Laboratory for Super-microstructure and Ultrafast Process, ...

Abstract: Analysis of transient recovery voltage is essential to develop high-voltage direct current circuit breakers with active current injection technology. This study presents a theoretical ...

Hunan Key Laboratory of Nanophotonics and Devices, School of Physics, Central South University, Changsha, Hunan 410083, China Hunan Key Laboratory for Super-microstructure and Ultrafast Process, ...

Graphic Arts Advisors (GAA), a leading M&A advisory and consulting firm serving the printing, mailing, packaging, and graphic communications industries, is pleased to announce the recent acquisition ...