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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 /3760/CH4/EX4.17/Ex4_17.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 '3760/CH4/EX4.17/Ex4_17.sce')
| -rw-r--r-- | 3760/CH4/EX4.17/Ex4_17.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/3760/CH4/EX4.17/Ex4_17.sce b/3760/CH4/EX4.17/Ex4_17.sce new file mode 100644 index 000000000..d49dae65c --- /dev/null +++ b/3760/CH4/EX4.17/Ex4_17.sce @@ -0,0 +1,19 @@ +clc;
+// table is given in question for plotting magnetising curve
+if1=[ 0 0.2 0.4 0.6 1 1.4 1.8 2 ];
+Ea=[ 6 40 80 120 194 246 269 274];
+plot(if1,Ea);
+xlabel('If');
+ylabel('Ea');
+title('magnetising curve')
+v=230; // rated voltage of generator
+p=10000; // rated power of generator
+n=1500; // rated speed of generator
+rf=184; // shunt field resistance
+ra=0.443; // armature resistance
+ifl=1.7; // rated field current
+il=p/v; // full load current
+printf('Total armature current is %f A\n',il+ifl);
+printf('Armature resistance drop is %f ohms\n',(il+ifl)*ra);
+disp('In fig 4.17(textbook),AB is made equal to armature resistance drop then through B a horizontal line is made meeting curve at c');
+disp('Demagnetising effect is given by BC which is equal to 0.25 A');
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