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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3811/CH5/EX5.4/EX5_4.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3811/CH5/EX5.4/EX5_4.sce')
| -rw-r--r-- | 3811/CH5/EX5.4/EX5_4.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/3811/CH5/EX5.4/EX5_4.sce b/3811/CH5/EX5.4/EX5_4.sce new file mode 100644 index 000000000..ffb82f22f --- /dev/null +++ b/3811/CH5/EX5.4/EX5_4.sce @@ -0,0 +1,20 @@ +//Book name: Fundamentals of electrical drives by Mohamad A. El- Sharkawi
+//chapter 5
+//example 5.4
+//edition 1
+//publisher and place:Nelson Engineering
+clc;
+clear;
+R1=3; //stator resistance in ohm
+R2=2; //rotor resistance referred to stator in ohm
+Xeq=10; //equivalent inductive reactance in ohm
+l=10; //voltage reduction in percentage
+V=1; //assumed value of V
+TA=(1*V)^2; //starting torque at the rated voltage
+TB=(0.9*V)^2; //starting torque after 10% voltage reduction
+r=1-TB; //reduction in starting torque
+r=r*100; //reduction in starting torque in percentage
+mprintf("\nThe reduction in starting torque is %f percentage",r)
+Radd=sqrt(R1^(2)+Xeq^(2))-R2;
+mprintf("\nThe resistance added to the rotor circuit to achieve the maximum torque is %f",Radd)
+//The answer given in the book is wrong
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