IEEE Transactions on Power Apparatus and Systems · 1983 · 28 citations · 14 references
Natural SciencesElectrical EngineeringPhysicsCircuit TheoryCritical Infrastructure ProtectionElectromagnetismLightning CurrentLightning PhysicsLightning ProtectionProtection SystemsThunderstorm ElectricityThunderstorm ElectrificationField Data CollectionLightning Protection SystemsLightning Surge ProtectionOvervoltage ProtectionOvervoltage TransientsSurge ProtectionSurge Protective DevicesTransformer Models
The results of this paper suggest that surge arrester protection may not be adequate for very fast rates of rise of lightning currents even considering insulation strength greater than chopped-wave. Additionally, it is shown that prediction of the magnitude and front time of the peak overvoltage is a complex function of lead length, arrester model, lead impedances, transformer model, and system voltage. It is suggested that very fast surges could be the source of unexplained transformer failures and that more field data is required.
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