Author(s): M. Kondalu, Dr. P.S. Subramanyam
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Vol.1 - Issue 8 (October - 2012)
This paper introduces very fast transient over - voltage caused by disconnecting switch operation of GIS . T he VFTO s generated due to Disconnector switching can cause insulation failure at very high voltage levels. The reason of malfunction of electronic equipments is due to coupling voltages on data and control cables. The reasons of these problems are travelling waves which is generated during switching operations in a gas - insulated substation (GIS). Calculation of Very Fast Transient Overvoltage has been carried out using MATLAB7.8 for various switching conditions in a 2 - phase 4 00kV gas insulated substation
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