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Diffstat (limited to '3813/CH3/EX3.8/Ex3_8.sce')
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1 files changed, 21 insertions, 0 deletions
diff --git a/3813/CH3/EX3.8/Ex3_8.sce b/3813/CH3/EX3.8/Ex3_8.sce new file mode 100644 index 000000000..e3aef49df --- /dev/null +++ b/3813/CH3/EX3.8/Ex3_8.sce @@ -0,0 +1,21 @@ +//Electric Drives:concepts and applications by V.subrahmanyam
+//Publisher:Tata McGraw-Hill
+//Edition:Second
+//Ex3_8
+clc;
+clear;
+Rd=2.5;//Resistance in ohm
+V=250;// voltage in V
+f=50;//Frequency in Hz
+Vs=150;//Supply voltage in V
+pf=-0.5;//Powerfactor
+Eb=-250;//Back emf in V
+Xc=0.636;//Reactance in ohm
+Vdia=1.17*Vs*pf;
+Id=(Vdia-Eb)/Rd;
+disp(Id,"load current in A is:")
+Ith=(Id*Xc)/2;
+disp(Ith,"Average value of load current in A is:")
+Irms=sqrt(3)*Ith;
+disp(Irms,"Rms value of load current in A is:")
+//Result vary due to error in calculation of current in the textbook
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