Conveyor systems, which are vital for moving goods ... modern elevators and escalators rely on VFD technology with three-phase power, enhancing passenger experience and energy efficiency.

"Phase converters add another layer of complexity to any facility," writes Michael Baldauf in this Tech Tips article.

and built a rotary phase converter to power his machines. Industry generally runs on three-phase AC systems, mainly because three-phase electric motors are so much more efficient and compact than ...

This led [Michael Klopfer] at the University of California, Irvine along with a group of students to develop a fully isolated board to analyze both single and three-phase mains systems.