*Asst. Manager (Technical),
**Professor,
***Assistant Professor,
****Professor and Dean,
This paper presents an accurate method cum procedure for soil modeling & designing the grounding system of gas-insulated substation (GIS) and air insulted substation (AIS). A grounding system design of the gas- insulated substation (GIS) is a complicated task to provide an adequate grounding system and meet specific criteria with regards to personnel safety and integrity of equipment during a fault condition. Similarly design of air insulated system (AIS) also need special attention. MATLAB GUI has been used to find the two soil model and accurate designing of grounding system of high voltage GIS/AIS.
Grounding, Resistivity and Soil Model, GPR, Touch and step Potential, Resistance