Iec 60076-5
The standard first addresses the heat generated during a fault. Since a short circuit lasts only a few seconds, the heat cannot dissipate into the oil or the environment; it is absorbed entirely by the conductor material (copper or aluminum).
: A design review against proven manufacturer rules or a comparison with a "similar transformer" that has already successfully passed physical testing. Key Technical Factors Short-Circuit Impedance iec 60076-5
A review of the standard highlights two main pathways for manufacturers to demonstrate compliance: Theoretical Evaluation The standard first addresses the heat generated during
The symmetrical short-circuit current: