Abstract: The drive system of flat wire permanent magnet (PM) machines introduces harmonics into the machine system due to pulse width modulation (PWM) excitation, resulting in additional losses and ...

Abstract: For high-capacity flywheel energy storage system (FESS) applied in the field of wind power frequency regulation, high-power, well-performance machine and magnetic bearings are developed.

A massive dozer, trapped in a swamp for two years, becomes the center of a high-risk recovery attempt. As cables strain and the mud fights back, the team pushes harder—until the machine suddenly ...

The Detroit People Mover will remain closed after officials discovered a large piece of metal underneath one of the train vehicles tore through a significant length of track cable, officials announced ...

Notting Hill Genesis (NHG) is set to pull out of future phases of a large estate regeneration scheme following resident concerns that progress has been too slow. Southwark Council will seek new ...