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Diffstat (limited to '1892/CH4/EX4.3/Example4_3.sce')
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1 files changed, 22 insertions, 0 deletions
diff --git a/1892/CH4/EX4.3/Example4_3.sce b/1892/CH4/EX4.3/Example4_3.sce new file mode 100755 index 000000000..6a2fac9e2 --- /dev/null +++ b/1892/CH4/EX4.3/Example4_3.sce @@ -0,0 +1,22 @@ +// Example 4.3
+
+clear; clc; close;
+format('v',6);
+
+// Given data
+Ra=0.8;//in Ω
+Vdd=2;//in volt
+V=28;//in volt
+T1=0.3; // in N-m
+Tst=1; // in N-m
+Ist=5;//in Ampere
+
+//Calculations
+//We know : Tst = fi_1*Ist and T1 = IL*fi_2
+//Deviding these two eqn we have
+IL=(T1/Tst)*Ist/0.8;//in Ampere
+Ebo=V;//in volt
+NLbyNo=(V-IL*Ra-Vdd)/(0.8*Ebo);// temporary calculation for NL
+No=1337;//in rpm
+NL=NLbyNo*No;//in rpm
+disp(NL,"Speed of motor in rpm =");
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