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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1938/CH6/EX6.29/6_29.sce | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '1938/CH6/EX6.29/6_29.sce')
| -rwxr-xr-x | 1938/CH6/EX6.29/6_29.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/1938/CH6/EX6.29/6_29.sce b/1938/CH6/EX6.29/6_29.sce new file mode 100755 index 000000000..3a8d4283b --- /dev/null +++ b/1938/CH6/EX6.29/6_29.sce @@ -0,0 +1,24 @@ +clc,clear
+printf('Example 6.29\n\n')
+
+V_L=6.6*10^3
+V_ph=V_L/sqrt(3)
+V_t=V_ph
+X_d=9.6,X_q=6,R_a=0 //armature resistance and synchronous reactance of direct,quadrature axis
+VA=3.5*10^6
+I_L=VA/(sqrt(3)*V_L)
+
+P=2.5*10^6,phi=acos(0.8)
+I_a=P/(sqrt(3)*V_L*cos(phi))
+psi=atan( (V_t*sin(phi)+ I_a*X_q)/(V_t*cos(phi)+ I_a*R_a) )
+
+delta=psi-phi
+I_d=I_a*sin(psi)
+I_q=I_a*cos(phi)
+
+E_f=V_t*cos(delta)+I_d*X_d+I_q*R_a
+regulation=100*(E_f-V_t)/V_t
+P_max=(V_ph^2/2)*((X_d-X_q)/(X_d*X_q))*(sin(2*delta))
+
+printf('percentage voltage regulation is %.2f percent',regulation)
+printf('\nPower under open circuit is %.1f kW per phase',P_max/1000)
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