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Diffstat (limited to '3813/CH4/EX4.15/Ex4_15.sce')
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1 files changed, 23 insertions, 0 deletions
diff --git a/3813/CH4/EX4.15/Ex4_15.sce b/3813/CH4/EX4.15/Ex4_15.sce new file mode 100644 index 000000000..d56835571 --- /dev/null +++ b/3813/CH4/EX4.15/Ex4_15.sce @@ -0,0 +1,23 @@ +//Electric Drives:concepts and applications by V.subrahmanyam
+//Publisher:Tata McGraw-Hill
+//Edition:Second
+//Ex4_15
+clc;
+clear;
+P=1000;
+N=1500;//Speed in rpm
+R2=0.06;// Resistance in ohm
+I2=125.6;//Current in A
+T=1.5;//Time in sec
+N1=1420;//Speed in rpm
+S=(R2*P)/N;
+K=((S/(2*%pi*N))*(I2)^2*T)/(N1)^2;
+T1=K*(N1)^2;
+N2=750;//Speed in rpm
+S0=0.489;//No load slip
+S2=1.12;//load slip
+T2=K*(N2)^2;
+X1=(T2*S)/T1;
+A=acos(-S0/S2);
+Alpha=(A*180)/%pi;
+disp(Alpha,"The firing angle in deg is:")
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