(a) What are the steps followed in designing of substation? How selec…

Previous year question for ESTIMATION & COSTING.

Question

(a) What are the steps followed in designing of substation? How selection and location of substation is adopted for its installations? 10

(b) Define the following terms : 10

(i) Earthing Mat

(ii) Step Potential

(iii) Touch Potential

(iv) Substation earthing resistance

(v) Lightning Arrestor