Title :
Simulation test of suppressing VFT in GIS by ferrite rings
Author :
Liu, W.D. ; Jin, L.J. ; Qian, J.L.
Author_Institution :
Dept. of Electr. Eng., Tsinghua Univ., Beijing, China
Abstract :
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
Keywords :
damping; ferrites; frequency response; gas insulated substations; power system protection; power system transients; GIS; ferrite materials; ferrite rings; gas insulated substations; high frequency response; low-voltage simulation tests; magnetic conductivity; magnetic loss; magnetic saturation; travelling waves damping; very fast transients suppression; wave impedance; Conducting materials; Ferrites; Gas insulation; Geographic Information Systems; Impedance; Low voltage; Magnetic materials; Performance evaluation; Substations; Testing;
Conference_Titel :
Electrical Insulating Materials, 2001. (ISEIM 2001). Proceedings of 2001 International Symposium on
Conference_Location :
Himeji
Print_ISBN :
4-88686-053-2
DOI :
10.1109/ISEIM.2001.973631
