[PDF][PDF] New Techniques for Disconnector Switching VFT Mitigation in GIS.

MA Abd-Allah, A Said, EA Badran - International Journal of Electrical …, 2014 - academia.edu
Switching operations in a Gas Insulated Substations (GIS) generate very fast transient over
voltages (VFTO) which are dangerous for the transformer and the system insulation because …

[PDF][PDF] High-frequency spectrum analysis of vfto generated inside gas insulated substations

MA Abd-Allah, A Said, EA Badran - International Journal of Electrical …, 2013 - academia.edu
Worldwide many electrical equipment insulation failures have been reported caused by
switching operations, while those equipments had previously passed all the standard tests …

[PDF][PDF] New Techniques for VFT Mitigation in GIS

MA Abd-Allah, A Said… - Journal of Electrical …, 2014 - feng.stafpu.bu.edu.eg
Switching operations in a Gas Insulated Substations (GIS) generate very fast transient over
voltages (VFTO) which are dangerous for the transformer and the system insulation because …

Estimation and analysis of VFTO in 420kV Gas Insulated substation

R Samikkannu, SK Annadurai - 2014 International Conference …, 2014 - ieeexplore.ieee.org
Very Fast Transient Overvoltages (VFTOs) which are caused mostly due to disconnector
operations in Gas Insulated substations (GIS) impose several problems on the insulation of …

[PDF][PDF] GRUPO DE ESTUDO DE TRANSFORMADORES, REATORES, MATERIAIS E TECNOLOGIAS EMERGENTES-GTM

MDEBCP TRANSITÓRIOS, WEGEE SA - researchgate.net
Faltas dielétricas em buchas condensivas e nas conexões dessas com as bobinas
constituem parte principal das causas de falhas de transformadores de potência …