Simulation test of suppressing VFT in GIS by ferrite rings

Simulation test of suppressing VFT in GIS by ferrite rings

Low voltage simulation tests were performed to investigate the possibility of suppressing very fast transients (VFT) in gas insulated substations (GIS) by ferrite rings. It is shown in the tests that putting ferrite rings around a conductor can change its wave impedance and damp the travelling waves...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Liu, W.D., Jin, L.J., Qian, J.L.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Conducting materials
Ferrites
Gas insulation
Geographic Information Systems
Impedance
Low voltage
Magnetic materials
Performance evaluation
Substations
Testing
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Beschreibung
Zusammenfassung:Low voltage simulation tests were performed to investigate the possibility of suppressing very fast transients (VFT) in gas insulated substations (GIS) by ferrite rings. It is shown in the tests that putting ferrite rings around a conductor can change its wave impedance and damp the travelling waves propagating through. This suppression effect depends on the characteristics of the ferrite materials, including high frequency response, magnetic conductivity, loss and saturation.
DOI:10.1109/ISEIM.2001.973631