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Diffstat (limited to '3681/CH4/EX4.8/Ex4_8.sce')
| -rw-r--r-- | 3681/CH4/EX4.8/Ex4_8.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/3681/CH4/EX4.8/Ex4_8.sce b/3681/CH4/EX4.8/Ex4_8.sce new file mode 100644 index 000000000..dd3e3889b --- /dev/null +++ b/3681/CH4/EX4.8/Ex4_8.sce @@ -0,0 +1,16 @@ +// Calculating the maximum temperature difference between the coil surface and the winding
+clc;
+disp('Example 4.8, Page No. = 4.14')
+// Given Data
+t = 25*10^(-3);// Thickness of coil (in meter)
+Sf = 0.7;// Space Factor
+Loss_cu = 20;// Copper losses (in Watt per kg)
+pi = 8;// Thermal resistivity of paper insulation(in ohm*meter)
+D_cu = 8900;// Density of copper (in kg per meter cube)
+// Calculation of the maximum temperature difference between the coil surface and the winding
+pe = pi*(1-Sf^(1/2));// Effective thermal resistivity in (ohm*meter)
+q = Sf*Loss_cu*D_cu;// Losses(in Watt per meter cube)
+T =q*pe*t^(2)/2;// Maximum temperature difference between the coil surface and the winding (in degree celsius)
+disp(T,'Maximum temperature difference between the coil surface and the winding (degree celsius)=');
+//in book answer is 51 degree celsius. The answers vary due to round off error
+
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