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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 /1319/CH1/EX1.5 | |
| 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 '1319/CH1/EX1.5')
| -rw-r--r-- | 1319/CH1/EX1.5/1_5.sce | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/1319/CH1/EX1.5/1_5.sce b/1319/CH1/EX1.5/1_5.sce new file mode 100644 index 000000000..c7babac38 --- /dev/null +++ b/1319/CH1/EX1.5/1_5.sce @@ -0,0 +1,45 @@ +// To find the inductance of a choke to operate a 120V 500W lamp at 230V
+
+clc;
+clear;
+
+V=120;
+W=500;
+Rl=(V^2)/W;
+I=W/V; // Circuit Current
+
+// Q of a choke means the ratio of its inductive reactance to its resistance
+
+Q=2;
+f=60;
+w=2*%pi*f;
+
+Vs=230; // Supply Voltage
+
+Xcir=230/I;
+
+L=poly([0 1],'L','c');
+
+Xl=w*L;
+
+Rc=Xl/2; // Q utilised
+
+// total resistance
+
+Rt=Rl+Rc;
+
+
+ind=(Rt^2)+(Xl^2)-(Xcir^2);// Characteristic equation to find L
+
+L=roots(ind);
+
+disp(ind,'The Characteristic equation to find L is')
+
+if(imag(sqrt(L(1))))
+ L=L(2);
+else
+ L=L(1);
+end
+
+
+disp('H',L,'The inductance of the choke coil = ')
|