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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 /695/CH3/EX3.23/Ex3_23.txt | |
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initial commit / add all books
Diffstat (limited to '695/CH3/EX3.23/Ex3_23.txt')
| -rwxr-xr-x | 695/CH3/EX3.23/Ex3_23.txt | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/695/CH3/EX3.23/Ex3_23.txt b/695/CH3/EX3.23/Ex3_23.txt new file mode 100755 index 000000000..7283d09f2 --- /dev/null +++ b/695/CH3/EX3.23/Ex3_23.txt @@ -0,0 +1,20 @@ +//Caption:Calculate the core loss and copper loss and also find the value of load current at which max efficiency will be attained
+//Exa:3.23
+clc;
+clear;
+close;
+KVA=100;
+V2=11000;//in volts
+x1=1;
+x2=0.5;
+pf1=0.8;
+pf2=1;
+Eff_1=0.985;
+Eff_2=0.99;
+P_cu=(KVA*1000*x1*pf1*((1/Eff_1)-1)-x2*KVA*1000*((1/Eff_2)-1))*(4/3);// in watts
+P_i=1218-P_cu;// in watts
+I_fl=KVA*1000/V2;
+I_2=I_fl*sqrt(P_i/P_cu);
+disp(P_cu,'Copper loss (in watts)=');
+disp(P_i,'Core loss (in watts)=');
+disp(I_2,'Load current (in amperes)=')
\ No newline at end of file |