In power distribution systems, three-phase transformer configuration directly impacts system reliability and load management.

One of the more popular three-phase electrical services supplied to medium-size commercial buildings is the Wye or Star configuration transformer. The name comes from the transformer’s secondary ...

This solid-state thyristor (SCR) switch circuit is perhaps the simplest means of reversing a 3 phase motor. “Static” is a catch-all term that essentially means without moving (mechanical) contacts ...

In the original version of this article, the second figure contained an error. The image has been updated. It’s important for engineers to have a good, working ...