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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/EX3.18/Ex3_18.txt | |
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initial commit / add all books
Diffstat (limited to '695/CH3/EX3.18/Ex3_18.txt')
| -rwxr-xr-x | 695/CH3/EX3.18/Ex3_18.txt | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/695/CH3/EX3.18/Ex3_18.txt b/695/CH3/EX3.18/Ex3_18.txt new file mode 100755 index 000000000..b529aa1b1 --- /dev/null +++ b/695/CH3/EX3.18/Ex3_18.txt @@ -0,0 +1,16 @@ +//Caption:Calculate the secondary current at which max efficiency will occur and also calculate the max efficiency at 0.8pf lagging
+//Exa:3.18
+clc;
+clear;
+close;
+a=1000/200;
+R_1=0.25;//in ohms
+R_2=0.018;//in ohms
+R_O2=R_2+R_1/a^2;
+P_i=240;//in watts
+I_2=sqrt(P_i/R_2);
+disp(I_2,'The secondary current at which max efficiency will occur (in Amperes)=');
+P_o=200*I_2*0.8;//in watts
+P_t=2*P_i;//in watts
+Eff=P_o/(P_o+P_t);
+disp(Eff*100,'Max efficiency at 0.8pf lagging(in %)=')
\ No newline at end of file |