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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 /1430/CH8/EX8.3 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '1430/CH8/EX8.3')
| -rw-r--r-- | 1430/CH8/EX8.3/exa8_3.jpg | bin | 0 -> 149095 bytes | |||
| -rw-r--r-- | 1430/CH8/EX8.3/exa8_3.sce | 28 |
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diff --git a/1430/CH8/EX8.3/exa8_3.jpg b/1430/CH8/EX8.3/exa8_3.jpg Binary files differnew file mode 100644 index 000000000..24f0a879d --- /dev/null +++ b/1430/CH8/EX8.3/exa8_3.jpg diff --git a/1430/CH8/EX8.3/exa8_3.sce b/1430/CH8/EX8.3/exa8_3.sce new file mode 100644 index 000000000..f6315b07e --- /dev/null +++ b/1430/CH8/EX8.3/exa8_3.sce @@ -0,0 +1,28 @@ +// Example 8.3
+// Transformer-coupled Oscillator
+// From figure 8.9(a)
+V_m=12;//Magnitude of voltage source
+omega=50000;// radial frequency (rad/s)
+R_s=1000;//
+V_s=20;// DC source
+Z_C=1/(%i*omega*0.1*10^-6);
+R=500;
+// from figure 8.9(b)
+// referring the ac source to the secondary ,as shown in figure 8.9(b)
+N=1/2;
+R_s_new=N^2*R_s;
+I=complex((N*12)/(N^2*R_s),0);
+// using node equations
+V_out=I/(1/R+1/Z_C+1/R_s_new);
+I_out=(1/Z_C+1/R)*V_out;
+I_in1=N*I_out;// Ac component of primary current
+I_in2=-V_s/R_s; // DC component of primary current
+I_in1_m=abs(I_in1);
+phase_I_in1=atan(imag(I_in1),real(I_in1))*(180/%pi);
+// by superposition total primary current will be
+t=0:0.5:100
+I_in=I_in1_m*cos(omega*t+phase_I_in1) + I_in2;
+plot(t,I_in)
+xlabel('t')
+ylabel('i_in(t)')
+title('Current Waveform')
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