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+clear
+//
+//case a
+//from oc test data shunt admittances are determined as follows
+//given
+v1=200
+i0=1
+pc=100
+yc=i0/(v1)
+printf("\n yc= %e S",yc)
+gc=pc/(v1**2)
+printf("\n gc= %e S",gc)
+bm=(((0.005**2)-(0.0025**2))**0.5)
+printf("\n bm= %e S",bm)
+//from sc test data
+p=85
+isc=10
+vsc=15
+req=p/(isc**2)
+printf("\n req= %0.1f ohm",req)
+zeq=vsc/(isc)
+printf("\n zeq= %0.1f ohm",zeq)
+xeq=(((zeq**2)-(req**2))**0.5)
+printf("\n xeq= %0.1f ohm",xeq)
+//case b
+a=0.5
+//equivalent impedance parameters referred to lv side
+re=(a**2)*req
+printf("\n req1= %0.1f ohm",re)
+xe=(a**2)*xeq
+printf("\n xeq1= %0.1f ohm",xe)
+ze=(a**2)*zeq
+printf("\n zeq1= %0.1f ohm",ze)