Very Fast Transients

Juan A. Martinez-Velasco

Universitat Politecnica de Catalunya

10.1    Origin of VFT in GIS

10.2    Propagation of VFT in GIS

Internal TransientsExternal Transients

10.3    Modeling Guidelines and Simulation

Computation of Internal TransientsComputation of TEVTesting and SimulationStatistical CalculationValidation

10.4    Effects of VFT on Equipment

SF6 InsulationTransformersDisconnectors and BreakersEnclosure and Cable InterfacesBushingsSecondary Equipment


Electromagnetic transient phenomena in power systems are caused by switching operations, faults, and other disturbances, such as lightning strokes. They may appear with a wide range of frequencies that vary from DC to several ...

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