VFTO studies due to switching operations in 132 KV GIS Substation
Shohreh Monshizadeh
Broschiertes Buch

VFTO studies due to switching operations in 132 KV GIS Substation

Very fast transient overvoltage (VFTO) studies due to switching operations in 132 KV GIS substation

Herausgegeben: Monshizadeh, Azita
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In a Gas insulated substations, the operation of disconnector switches and circuit breakers can cause Very Fast Transient Over voltages (VFTOs), which will bring an instantaneous change in voltage with a very short rise time and it is normally followed by oscillation having high frequencies. For designing the insulation level of a substation, it is essential to know the maximum value of VFTO. Fast operating disconnector switches are usually used to reduce time of the breakdown; however, it cannot eliminate fully the effect of the VFTO. This Book results the most accurate results of Very Fast T...