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Diffstat (limited to '3813/CH4/EX4.4/Ex4_4.sce')
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1 files changed, 17 insertions, 0 deletions
diff --git a/3813/CH4/EX4.4/Ex4_4.sce b/3813/CH4/EX4.4/Ex4_4.sce new file mode 100644 index 000000000..a7322d63a --- /dev/null +++ b/3813/CH4/EX4.4/Ex4_4.sce @@ -0,0 +1,17 @@ +//Electric Drives:concepts and applications by V.subrahmanyam
+//Publisher:Tata McGraw-Hill
+//Edition:Second
+//Ex4_4
+clc;
+clear;
+V=250;// voltage in V
+f=50;//frequency in Hz
+R=1.5;// Resistance in ohm
+L=30;//inductance in mH
+Eb=100;//Back emf in V
+Alpha=0.866;//angle
+Vc=0.9*V*Alpha;
+Id=(Vc-Eb)/R;
+P=Vc*Id*10^(-3);
+pf=0.9*Alpha;
+disp(pf,"powerfactor is:")
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