diff options
Diffstat (limited to '2273/CH3/EX3.7/ex3_7.sce')
| -rwxr-xr-x | 2273/CH3/EX3.7/ex3_7.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/2273/CH3/EX3.7/ex3_7.sce b/2273/CH3/EX3.7/ex3_7.sce new file mode 100755 index 000000000..7cbf7997c --- /dev/null +++ b/2273/CH3/EX3.7/ex3_7.sce @@ -0,0 +1,24 @@ +//Calculate the vertical sag
+clear;
+clc;
+//soltion
+//given
+W=1170;//kg/km//Line conductor wieght
+P=122;//kg/m^2//Wind pressure
+L=200;//meter//span of the line
+A=1.29;//cm^2//cross sectional area
+U=4218*A;//kg//Breaking strength
+sf=5;//safety factor
+T=U/sf;//kg//max allowable tension
+Wc=W/1000;//kg/m//Weight of conductor in meter
+D=sqrt((4*A)/%pi);//cm//diameter of the conductor
+printf("Diameter of the conductor= %.2f cm\n",D);
+Ww=P*(D)*10^-2;//Wind force/m lenght
+printf("Wind force= %.2fkg\n",Ww);
+Wr=sqrt(Wc^2+Ww^2);//resultant weight
+printf("Resultant sag= %.2fkg\n",Wr);
+sag= (Wr*L^2)/(8*T);//m//Slant sag
+printf("Slant Sag= %.2f m\n",sag);
+Th=atand(Ww/Wc);//degree//angle between slant sag and vertical sag
+Vsag=sag*cosd(Th);//m//Vertical sag
+printf("Vertical sag= %.3fm",Vsag);
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