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Damage curve of electrical equipment

Damage curve of electrical equipment

Damage curve of electrical equipment

(OP)
Hello everybody

Can someone give me an idea where i can find Damage curves of electrical equipment, i'm studying a selectivity in an electrical substation

RE: Damage curve of electrical equipment

Damage curve (TCC) have a typical expression as t=k.t^2.Some information can be found as follow:
1)IEEE STD C57.109 for oil filled power transformers
2)IEEE STD C57.12.59 for dry insulation transformers
3) IEEE STD 242 (Bluff Book)& ICEA Stds for insulated power cable

RE: Damage curve of electrical equipment

Many commercial software have extensive library of damage curves used for protective device coordination

RE: Damage curve of electrical equipment

(OP)
cuky2000 thank you very much

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