Fig 1. During a recent trip to the local community college shop, an HVAC student asked how current could be in a neutral wire with balanced loads. The subsequent “build it and see” experiment yielded ...

For modern distribution protection, Negative Phase Sequence (NPS) Protection is often relegated in favor of common elements such as Overcurrent (OC) or Earth Fault (EF), but NPS is an incredibly ...

We have a number of recognized transmission and distribution experts serving on our board of "Grid Masters." Several times each month we’ll post what we judge to be the toughest questions that also ...