It’s impossible to balance line-to-line voltages perfectly in three-phase circuits, so they typically differ by a few volts or more. However, if voltage unbalance exceeds 1%, it can markedly decrease ...

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

It is precisely the sort of thing advocated by Mr. L.T. Thomasson, PE, in the June issue of Power Engineering (p. 7) that injures us as a profession and industry. The electrical power industry is ...

This article was originally published in March 2017 on the Residential Lighting website. Residential Lighting was the precursor to Furniture, Lighting & Decor. The magazine ran for 25 years and was a ...