Arcing current is used to calculate the incident energy from an arc flash. The predicted three-phase […]
IEEE 1584 Guide Equation for calculation of incident energy has a factor K2 for system grounding. […]
From the previous article, the arcing current Ia was calculated from the bolted fault current. With […]
A system grounding or earthing method provides the safety, reliability, and continuity of service required by […]
Time-Current Curve
In NFPA 70E, the short-circuit symmetrical ampacity from a bolted 3-phase fault at the transformer terminals […]
An arc-flash is a release of energy caused by a flow of fault current through an […]