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author | prashantsinalkar | 2018-02-03 11:01:52 +0530 |
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committer | prashantsinalkar | 2018-02-03 11:01:52 +0530 |
commit | 7bc77cb1ed33745c720952c92b3b2747c5cbf2df (patch) | |
tree | 449d555969bfd7befe906877abab098c6e63a0e8 /3888/CH13 | |
parent | d1e070fe2d77c8e7f6ba4b0c57b1b42e26349059 (diff) | |
download | Scilab-TBC-Uploads-7bc77cb1ed33745c720952c92b3b2747c5cbf2df.tar.gz Scilab-TBC-Uploads-7bc77cb1ed33745c720952c92b3b2747c5cbf2df.tar.bz2 Scilab-TBC-Uploads-7bc77cb1ed33745c720952c92b3b2747c5cbf2df.zip |
Diffstat (limited to '3888/CH13')
-rw-r--r-- | 3888/CH13/EX13.1/Ex13_1.JPG | bin | 0 -> 16184 bytes | |||
-rw-r--r-- | 3888/CH13/EX13.1/Ex13_1.sce | 21 | ||||
-rw-r--r-- | 3888/CH13/EX13.2/Ex13_2.JPG | bin | 0 -> 24226 bytes | |||
-rw-r--r-- | 3888/CH13/EX13.2/Ex13_2.sce | 29 | ||||
-rw-r--r-- | 3888/CH13/EX13.3/Ex13_3.JPG | bin | 0 -> 30496 bytes | |||
-rw-r--r-- | 3888/CH13/EX13.3/Ex13_3.sce | 46 |
6 files changed, 96 insertions, 0 deletions
diff --git a/3888/CH13/EX13.1/Ex13_1.JPG b/3888/CH13/EX13.1/Ex13_1.JPG Binary files differnew file mode 100644 index 000000000..ee5567507 --- /dev/null +++ b/3888/CH13/EX13.1/Ex13_1.JPG diff --git a/3888/CH13/EX13.1/Ex13_1.sce b/3888/CH13/EX13.1/Ex13_1.sce new file mode 100644 index 000000000..965014ac5 --- /dev/null +++ b/3888/CH13/EX13.1/Ex13_1.sce @@ -0,0 +1,21 @@ +//Electric Power Generation, Transmission and Distribution by S.N.Singh
+//Publisher:PHI Learning Private Limited
+//Year: 2012 ; Edition - 2
+//Example 13.1
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+
+L=160; //Span length in m
+w=4; //Weight of the conductor in N/m
+Ts=8000; //Tensile strength in N
+T=Ts/w; //Working stress in N
+d=w*L^(2)/(8*T); //Sag of the line in m
+l=L+(w^(2)*L^(3)/(24*T^(2))); //Total length of conductor in spans in m
+
+
+printf("\nSag of the line between span is %.1f m",d);
+printf("\nTotal length of the line between span is %.2f m",l);
+
diff --git a/3888/CH13/EX13.2/Ex13_2.JPG b/3888/CH13/EX13.2/Ex13_2.JPG Binary files differnew file mode 100644 index 000000000..2576b647f --- /dev/null +++ b/3888/CH13/EX13.2/Ex13_2.JPG diff --git a/3888/CH13/EX13.2/Ex13_2.sce b/3888/CH13/EX13.2/Ex13_2.sce new file mode 100644 index 000000000..f73866fb6 --- /dev/null +++ b/3888/CH13/EX13.2/Ex13_2.sce @@ -0,0 +1,29 @@ +//Electric Power Generation, Transmission and Distribution by S.N.Singh
+//Publisher:PHI Learning Private Limited
+//Year: 2012 ; Edition - 2
+//Example 13.2
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+
+w=0.35; //Weight of the conductor in kg/m
+Ts=800; //Tensile strength in kg
+Sf=2; //Safety factor
+L=160; //Span length in m
+h=70; //Height of support from the ground in m
+T=Ts/Sf; //Working stress in kg
+h1=h-40;; //Difference between supports in m
+x1=(L/2)-(T*h1/(w*L)); //Distance of minimum point from the lower support in m
+h2=h-65; //Difference between supports in m
+x2=(L/2)-(T*h2/(w*L)); //Distance of minimum point from the lower support in m
+d1=w*x2^(2)/(2*T); //Sag from lower support in m
+mgc=65-d1; //Minimum ground clearance in m
+
+
+printf("\nThe minimum clearance from the ground %.2f m",mgc);
+printf("\nThe distance of minimum point from the lower support at 40m is %.2f m",x1);
+printf("\nThe distance of minimum point from the lower support at 65m is %.2f m",x2);
+
+
diff --git a/3888/CH13/EX13.3/Ex13_3.JPG b/3888/CH13/EX13.3/Ex13_3.JPG Binary files differnew file mode 100644 index 000000000..72a1804a1 --- /dev/null +++ b/3888/CH13/EX13.3/Ex13_3.JPG diff --git a/3888/CH13/EX13.3/Ex13_3.sce b/3888/CH13/EX13.3/Ex13_3.sce new file mode 100644 index 000000000..162fca35b --- /dev/null +++ b/3888/CH13/EX13.3/Ex13_3.sce @@ -0,0 +1,46 @@ +//Electric Power Generation, Transmission and Distribution by S.N.Singh
+//Publisher:PHI Learning Private Limited
+//Year: 2012 ; Edition - 2
+//Example 13.3
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+
+A=120; //Normal copper area in mm^2
+con_size=(30+7)/6.30; //Conductor size in mm
+w=0.4; //Conductor weight in kg/m
+Ts=1250; //Tensile strength in kg
+Sf=5; //Safety factor
+L=200; //Span length in m
+t=0.5; //Thickness of ice in cm
+p=10; //Wind pressure in kg/m^2
+D=(2*4-1)*6.30*10^(-1); //Total diameter of conductor in cm
+T=Ts/Sf; //Working stress in kg
+d=w*L^(2)/(8*T); //Sag in still air in m
+wi=%pi*((D+t)*10^(-2)*t*10^(-2))*915; //Weight of ice in kg/m
+W=w+wi; //Total weight of ice in kg/m
+d1=W*L^(2)/(8*T); //Sag in m
+Ww=(D+2*t)*10^(-2)*p; //Wind loading in kg/m
+We=sqrt(Ww^(2)+(w+wi)^(2)) //Effective loading in kg/m
+d2=We*L^(2)/(8*T); //Total Sag in m
+angle=atand(Ww/(w+wi)); //Sag angle in degree
+
+printf("\nSag in still air %.f m",d);
+printf("\nSag,if the conductor is covered with ice of 0.5-cm thickness is % .2f m",d1);
+printf("\nSag,if the conductor is covered with ice of 0.5-cm thickness and a wind pressure of 10 kg/m^(2) is acting on the projected area is %.2f m",d2);
+printf("\nSag angle is %.2f degree",angle);
+
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