1.How to do the lightening protection in a hig rise building? what are the equation that to be followed. Please also help by giving a link by which all these calculation can be done.
2. what is tie transformer and unit auxiliery transformer? What is the difference between them from the point of opereation?How to do a transformer sizing(unit auxiliery trafo)
3. Please also help by giving a link where detail discussion regarding per unit computation of transformer
best regard
SP