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-rw-r--r--3760/CH9/EX9.3/ExB_3.sce31
1 files changed, 31 insertions, 0 deletions
diff --git a/3760/CH9/EX9.3/ExB_3.sce b/3760/CH9/EX9.3/ExB_3.sce
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+clc;
+vl=400; // line voltage
+z=10+7.5*%i; // load impedance per phase
+disp('For star connected load');
+vp=vl/sqrt(3); // phase voltage
+ip=vp/abs(z);// phase and line current are same in the case of star connected load
+an=atand(-imag(z),real(z));
+pf=cosd(an);
+P=sqrt(3)*vl*ip;
+pa=sqrt(3)*vl*ip*pf;
+pr=-sqrt(3)*vl*ip*sind(an);
+printf('Phase and line currents are %f A\n',ip);
+printf('Power factor is %f lagging \n',pf);
+printf('Total volt ampere is %f VA\n',P);
+printf('Total active power is %f W\n',pa);
+printf('Total reactive power is %f VAr\n',pr);
+disp('For delta connected load');
+vp=vl // phase voltage and line voltage are same in the case of star connected load
+ip=vp/abs(z);
+il=ip*sqrt(3);
+an=atand(-imag(z),real(z));
+pf=cosd(an);
+P=sqrt(3)*vl*il;
+pa=sqrt(3)*vl*il*pf;
+pr=-sqrt(3)*vl*il*sind(an);
+printf('Phase current is %f A\n',ip);
+printf('Line current is %f A\n',il);
+printf('Power factor is %f lagging\n',pf);
+printf('Total volt ampere is %f VA\n',P);
+printf('Total active power is %f W\n',pa);
+printf('Total reactive power is %f VAr\n',pr);