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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 /1820/CH2 | |
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initial commit / add all books
Diffstat (limited to '1820/CH2')
| -rwxr-xr-x | 1820/CH2/EX2.1/Example2_1.sce | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/1820/CH2/EX2.1/Example2_1.sce b/1820/CH2/EX2.1/Example2_1.sce new file mode 100755 index 000000000..ece1104e6 --- /dev/null +++ b/1820/CH2/EX2.1/Example2_1.sce @@ -0,0 +1,37 @@ +// ELECTRIC POWER TRANSMISSION SYSTEM ENGINEERING ANALYSIS AND DESIGN
+// TURAN GONEN
+// CRC PRESS
+// SECOND EDITION
+
+// CHAPTER : 2 : TRANSMISSION LINE STRUCTURES AND EQUIPMENT
+
+// EXAMPLE : 2.1 :
+clear ; clc ; close ; // Clear the work space and console
+
+// GIVEN DATA
+t_s = 0.49 ; // Human body is in contact with 60 Hz power for 0.49 sec
+r = 100 ; // Resistivity of soil based on IEEE std 80-2000
+
+// CALCULATIONS
+// For case (a)
+v_touch50 = 0.116*(1000+1.5*r)/sqrt(t_s) ; // Maximum allowable touch voltage for 50 kg body weight in volts
+
+// For case (b)
+v_step50 = 0.116*(1000+6*r)/sqrt(t_s) ; // Maximum allowable step voltage for 50 kg body weight in volts
+// Above Equations of case (a) & (b) applicable if no protective surface layer is used
+
+// For metal to metal contact below equation holds good . Hence resistivity is zero
+r_1 = 0 ; // Resistivity is zero
+
+// For case (c)
+v_mm_touch50 = 0.116*(1000)/sqrt(t_s) ; // Maximum allowable touch voltage for 50 kg body weight in volts for metal to metal contact
+
+// For case (d)
+v_mm_touch70 = 0.157*(1000)/sqrt(t_s) ; // Maximum allowable touch voltage for 70 kg body weight in volts for metal to metal contact
+
+// DISPLAY RESULTS
+disp("EXAMPLE : 2.1 : SOLUTION :-") ;
+printf("\n (a) Tolerable Touch potential , V_touch50 = %.f V , for 50 kg body weight \n",v_touch50) ;
+printf("\n (b) Tolerable Step potential , V_step50 = %.f V , for 50 kg body weight \n",v_step50) ;
+printf("\n (c) Tolerable Touch Voltage for metal-to-metal contact , V_mm_touch50 = %.1f V , for 50 kg body weight \n",v_mm_touch50) ;
+printf("\n (d) Tolerable Touch Voltage for metal-to-metal contact , V_mm_touch70 = %.1f V , for 70 kg body weight \n",v_mm_touch70) ;
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