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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
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| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3640/CH1/EX1.3 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3640/CH1/EX1.3')
| -rw-r--r-- | 3640/CH1/EX1.3/Ex1_3.sce | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/3640/CH1/EX1.3/Ex1_3.sce b/3640/CH1/EX1.3/Ex1_3.sce new file mode 100644 index 000000000..b003e2b30 --- /dev/null +++ b/3640/CH1/EX1.3/Ex1_3.sce @@ -0,0 +1,29 @@ +clc
+f=60 //frequency of voltage source in Hz
+x=1.9 //Steinmetz coefficient
+V=80 //applied sinusoidal voltage in volts
+t=100 //no of turns wound on a coil
+hc=500 //hysteresis coefficient
+w=2*%pi*f //angular frequency in rads/sec
+phimax=(sqrt(2)*V)/(t*w)//maximum value of flux in the core in webers
+mprintf("phimax=%fWb\n",phimax)//the answer may vary due to roundoff error
+A1=0.0025 //cross-sectional area of core in metre square
+Bmax1=phimax/A1 //flux density in core A in tesla
+mprintf("Bmax=%fT\n",Bmax1)//the answer may vary due to roundoff error
+lfe1=0.5 //mean flux path length of core A in meters
+VolA=A1*lfe1 //volume of core A in metre cube
+mprintf("VolA=%f metre cube\n",VolA)
+//for core A
+Ph1=VolA*f*hc*(Bmax1^x) //hysteresis loss in core A in watts
+mprintf("Ph=%f W\n",Ph1)//the answer may vary due to roundoff error
+//for core B
+A2=A1*3 //cross sectional area of core B in metre square
+lfe2=0.866 //mean flux path length of core B in metres
+Bmax2=phimax/A2 //flux density in core B in tesla
+VolB=A2*lfe2 //volume of core B in metre cubes
+Ph2=VolB*f*hc*(Bmax2^x) //hysteresis loss of core B in watts
+mprintf("Ph=%f W\n",Ph2)//the answer may vary due to roundoff error
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