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When performing protection and coordination studies it is difficult to anticipate potential arc flash coordination issues due to the differences between the arc and bolted fault currents. Arc Flash Auto solution automatically evaluates arc-flash incident energy and equipment arc flash damage points to quickly resolve these conflicts limiting the number of scenarios required or even removing the need for an isolated arc flash study.
ETAP constant energy boundary area (C-area plots) based on the IEEE 1584 2018 model can mitigate the arc flash results at the coordination stage. This graphical representation provides a reference boundary based on user-defined incident energy limit. It allows a protection engineer to consider multiple operating conditions and probabilistic variations in the way an arc-flash could occur within an electrical equipment.