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Diffstat (limited to '3472/CH14/EX14.14')
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1 files changed, 33 insertions, 0 deletions
diff --git a/3472/CH14/EX14.14/Example14_14.sce b/3472/CH14/EX14.14/Example14_14.sce new file mode 100644 index 000000000..62d9e231e --- /dev/null +++ b/3472/CH14/EX14.14/Example14_14.sce @@ -0,0 +1,33 @@ +// 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 7: UNDERGROUND CABLES
+
+// EXAMPLE : 7.14 :
+// Page number 219-220
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+c_s = 0.90 // Capacitance b/w all conductors(µF)
+C_0 = 0.4 // Capacitance b/w two conductor(µF)
+V = 11.0*10**3 // Line Voltage(V)
+f = 50.0 // Frequency(Hz)
+
+// Calculations
+C_s = c_s/3.0 // Capacitance measured(µF)
+C_c = (C_0-C_s)/2.0 // Capacitance(µF)
+C_a = 3.0/2*(C_c+(1/3.0)*C_s) // Capacitance b/w any two conductors(µF)
+C_b = 2.0*C_c+(2.0/3)*C_s // Capacitance b/w any two bounded conductors and the third conductor(µF)
+C_o = 3.0*C_c+C_s // Capacitance to neutral(µF)
+I_c = 2.0*%pi*f*C_o*V/3**0.5*10**-6 // Charging current(A)
+
+// Results
+disp("PART II - EXAMPLE : 7.14 : SOLUTION :-")
+printf("\nCase(a): Capacitance between any two conductors = %.3f µF", C_a)
+printf("\nCase(b): Capacitance between any two bounded conductors and the third conductor = %.1f µF", C_b)
+printf("\nCase(c): Capacitance to neutral, C_0 = %.2f µF", C_o)
+printf("\n Charging current taken by cable, I_c = %.3f A \n", I_c)
+printf("\nNOTE: ERROR: Calculation mistakes in textbook answer")
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