![]() The IEC also publish a standard which deals with non-adiabatic equations: ![]() Software is available to consider non adiabatic effects, however, there is a cost, time and complexity associated with this. Unless there is some driver, using the adiabatic equations is just easier. ![]() In these instances, it is possible to do a more accurate calculation.Ĭonsidering non-adiabatic effects is more complex. While putting the calculation on the safe side, in some situations, particularly for longer fault duration there is the potential to be able to get away with a smaller cross section. ![]() As mentioned, the adiabatic equation assumes no heat is dissipated from the cable during a fault. ![]()
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