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authorprashantsinalkar2017-10-10 12:27:19 +0530
committerprashantsinalkar2017-10-10 12:27:19 +0530
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+//Electric Drives:concepts and applications by V.subrahmanyam
+//Publisher:Tata McGraw-Hill
+//Edition:Second
+//Ex4_6
+clc;
+clear;
+V=500;// voltage in V
+Vs=250;// voltage in V
+I=181;//Current in A
+N=1500;//Speed in rpm
+R=0.1;// Resistance in ohm
+f=50;//frequency in Hz
+Eb=Vs-(I*R);
+Eb1=Eb/3;
+A1=acos(Vs/(1.35*V));
+Alpha1=(A1*180)/%pi;
+Ia2=I/9;
+V2=Eb1+(Ia2*R);
+A2=acos(V2/(1.35*V));
+Alpha2=(A2*180)/%pi;
+Vl=Vs/1.35;
+A3=acos(V2/(1.35*Vl));
+Alpha3=(A3*180)/%pi;
+disp(Alpha3,"The firing angle in deg is:")