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### Incident Energy (E) Equations and Calculator per IEEE 1584-2018

Electrical and Electronics Design and Engineering

Incident Energy (E) Equations and Calculator per IEEE 1584-2018

Related:

Arc Flash Hazard Calculations Procedure and Considerations For Medium Voltage System

Where:

E1 = First E interpolation term between 600 V and 2700 V (J/cm2)
E2 = Second E interpolation term used when Voc is greater than 2700 V (J/cm2)
E3 = Third E interpolation term used when Voc is less than 2700 V (J/cm2)
E600 = incident energy at Voc = 600 V (J/cm2)
E2700 = Incident energy at Voc = 2700 V (J/cm2)
E14300 = Iincident energy at Voc = 14,300 V (J/cm2)
E ≤600 = Incident energy for Voc ≤ 600 V (J/cm2)
VOC = System open-circuit voltage (kV)

Reference:

IEEE 1584-2018

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