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diff --git a/1370/CH4/EX4.16/Exp4_16.sce b/1370/CH4/EX4.16/Exp4_16.sce
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+//Example 4.16
+clc
+disp("V_ph = 2200 V,  f = 50 Hz, 440 kVA,  R_a = 0.5 ohm")
+disp("I_aph = 200 A = I_ac,  V_oc = 1160 V,  I_f = 40 A")
+za=1160/200
+format(4)
+disp(za,"(a)  Z_s(in ohm) = V_oc/I_ssc |same I_f =")
+xs=sqrt((5.8^2)-(0.5^2))
+format(7)
+disp(xs,"(b)  X_s(in ohm) = sqrt(Z_a^2 - R_a^2) =")
+disp("(c)  cos(phi) = 0.707 leading,  sin(phi) = 0.707")
+ephi=sqrt(((((2200*0.707)+(200*0.5))^2)+(((2200*0.707)-(200*5.7784))^2)))
+disp("Therefore,  E_ph^2 = (V_ph*cos(phi)+I_a*R_a)^2 + (V_ph*sin(phi)-I_a*R_a)^2")
+format(10)
+disp(ephi,"E_ph(in V) =")
+r=((1702.9754-2200)/2200)*100
+format(7)
+disp(r,"Therefore,  %R(in percentage) = (E_ph-V_ph / V_ph)*100 = ")