High Fault Contribution may not be a bad thing
October 26, 2009 by Jeff
Filed under Arc Flash, Electrical Safety
In the past you determined the bus withstand of equipment by the bolted fault. In some cases the system would be designed to limit the available fault energy on any one bus by installing higher impedance transformers, multiple small transformers, etc.
Today there is as much concern regarding the Incident Energy (IE) released in an arc [...]