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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 /1994/CH7/EX7.19/Example7_19.sce | |
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| -rwxr-xr-x | 1994/CH7/EX7.19/Example7_19.sce | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/1994/CH7/EX7.19/Example7_19.sce b/1994/CH7/EX7.19/Example7_19.sce new file mode 100755 index 000000000..266773bfe --- /dev/null +++ b/1994/CH7/EX7.19/Example7_19.sce @@ -0,0 +1,31 @@ +//Chapter-7,Example7_19,pg 7-51
+I=100*10^-3
+Td=0.8*10^-4
+dtheta=90*%pi/180//in radians
+theta=90//deflection
+dM=Td*dtheta/(I^2)
+Mo=0.5//original M
+M=Mo+dM//total M
+//case-1
+Vdc=100
+R=Vdc/I
+w=2*%pi*50
+Z=R+(%i*w*M)
+Z=abs(Z)
+Vac=R*Vdc/Z
+dif=Vdc-Vac//difference between readings
+//case-2
+Vdc1=50
+I1=Vdc1/R
+theta1=theta*((I1/I)^2)//theta=kI^2
+theta1=theta1*%pi/180//in radians
+dM1=Td*theta1/(I^2)
+M1=dM1+Mo
+Z1=R+(%i*w*M1)
+Z1=abs(Z1)
+Vac1=R*Vdc1/Z1
+dif1=Vdc1-Vac1
+printf("difference in readings Vdc=100V\n")
+printf("dif=%.2f V\n",dif)
+printf("difference in readings Vdc=50V\n")
+printf("dif1=%.2f V\n",dif1)
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