Do anyone know how can I calculate earthing for substation or do anyone know an

Do anyone know how can I calculate earthing for substation
or do anyone know any software which I can use for this case

Question Posted / arben12000

Do anyone know how can I calculate earthing for substation or do anyone know any software which I c..

Answer / k.prakashchandra

Recommended minimum values of ER for stations are 1)33KV-5
ohms 2) 66-2 3)110 to 400 - 1 4) gen station 0.5

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