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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
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| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3472/CH12/EX12.5 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3472/CH12/EX12.5')
| -rw-r--r-- | 3472/CH12/EX12.5/Example12_5.sce | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/3472/CH12/EX12.5/Example12_5.sce b/3472/CH12/EX12.5/Example12_5.sce new file mode 100644 index 000000000..71b843d2b --- /dev/null +++ b/3472/CH12/EX12.5/Example12_5.sce @@ -0,0 +1,30 @@ +// A Texbook on POWER SYSTEM ENGINEERING
+// A.Chakrabarti, M.L.Soni, P.V.Gupta, U.S.Bhatnagar
+// DHANPAT RAI & Co.
+// SECOND EDITION
+
+// PART II : TRANSMISSION AND DISTRIBUTION
+// CHAPTER 5: MECHANICAL DESIGN OF OVERHEAD LINES
+
+// EXAMPLE : 5.5 :
+// Page number 199
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+w_w = 1.781 // Wind pressure on conductor(kg/m)
+w_i = 1.08 // Weight of ice on conductor(kg/m)
+D = 6.0 // Maximum permissible sag(m)
+s = 2.0 // Factor of safety
+w_c = 0.844 // Weight of conductor(kg/m)
+u = 7950.0 // Ultimate strength(kg)
+
+// Calculations
+w = ((w_c+w_i)**2+w_w**2)**0.5 // Total force on conductor(kg/m)
+T = u/s // Allowable maximum tension(kg)
+l = ((D*2*T)/w)**0.5 // Half span(m)
+L = 2.0*l // Permissible span between two supports(m)
+
+// Results
+disp("PART II - EXAMPLE : 5.5 : SOLUTION :-")
+printf("\nPermissible span between two supports = %.f metres \n", L)
+printf("\nNOTE: ERROR: Horizontal wind load, w_w = 1.781 kg/m, not 1.78 kg/m as mentioned in problem statement")
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