diff options
| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2078/CH3/EX3.6 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '2078/CH3/EX3.6')
| -rwxr-xr-x | 2078/CH3/EX3.6/Example3_6.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/2078/CH3/EX3.6/Example3_6.sce b/2078/CH3/EX3.6/Example3_6.sce new file mode 100755 index 000000000..5e9a98654 --- /dev/null +++ b/2078/CH3/EX3.6/Example3_6.sce @@ -0,0 +1,24 @@ +//Exa 3.6
+clc;
+clear;
+close;
+//Given data :
+A=poly(0,'A');//cross section area
+I=poly(0,'I');//Current
+Cc=500+2000*A//Rs/km
+load_factor=0.12;
+i=12;//%(depreciation)
+E_lost_cost=0.05;//Rs/kWh
+R=0.17/A;//ohm/km
+
+Cc_var=2000*A//Rs/km(variable cost)
+P2A=Cc_var*i/100;//Rs/km
+P2=P2A/A;
+R_into_A=R*A;//ohm
+W_into_A_BY_Isqr=R_into_A;//W
+E_loss_into_A_BY_Isqr=W_into_A_BY_Isqr*load_factor/1000*8760;//kWh
+P3BYIsqr=E_lost_cost*E_loss_into_A_BY_Isqr;//Rs
+//P2a=P3BYa;//For most economical cross section
+IBYa=sqrt(coeff((numer(P2))/coeff(numer(P3BYIsqr))));//cm^2
+disp(IBYa,"Most economical current density in A/cm^2 : ");
+//Answer in the textbook is wrong.
|