\[\text {(\text{SCR})}=\frac{\text{I}_{\text{fm}}}{\text{I}_{\text{f}_{\text{a}}}}=\frac{1}{\left.\text{z}_{\text{s}}(\text { adjusted })\right|_{\text {unit }}}=\frac{1}{\left.\text{x}_{\text{s}}(\text { adjusted })\right|_{\text {unit }}}\]
\[\text {SCR}=\frac{\text{I}_{\text{fm}}}{\text{I}_{\text{f}_{\text{a}}}}=\frac{1}{\left.\text{z}_{\text{s}}(\text { adjusted })\right|_{\text {unit }}}=\frac{1}{\left.\text{x}_{\text{s}}(\text { adjusted })\right|_{\text {unit }}}\]
\[\text {SCR}=\frac{\text{I}_{\text{fm}}}{\text{I}_{\text{f}_{\text{a}}}}=\frac{1}{\left.\text{z}_{\text{s}}(\text { adjusted })\right|_{\text {unit }}}=\frac{1}{\left.\text{x}_{\text{s}}(\text { adjusted })\right|_{\text {unit }}}\]