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Diffstat (limited to '3472/CH32/EX32.5/Example32_5.sce')
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1 files changed, 27 insertions, 0 deletions
diff --git a/3472/CH32/EX32.5/Example32_5.sce b/3472/CH32/EX32.5/Example32_5.sce new file mode 100644 index 000000000..0216229c1 --- /dev/null +++ b/3472/CH32/EX32.5/Example32_5.sce @@ -0,0 +1,27 @@ +// A Texbook on POWER SYSTEM ENGINEERING
+// A.Chakrabarti, M.L.Soni, P.V.Gupta, U.S.Bhatnagar
+// DHANPAT RAI & Co.
+// SECOND EDITION
+
+// PART III : SWITCHGEAR AND PROTECTION
+// CHAPTER 6: CIRCUIT BREAKER
+
+// EXAMPLE : 6.5 :
+// Page number 565
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+kV = 132.0 // Voltage(kV)
+C = 0.01*10**-6 // Phase to ground capacitance(F)
+L = 6.0 // Inductance(H)
+i = 5.0 // Magnetizing current(A)
+
+// Calculations
+V_pros = i*(L/C)**0.5/1000 // Prospective value of voltage(kV)
+R = 1.0/2*(L/C)**0.5/1000 // Resistance to be used across the contacts to eliminate the restriking voltage(k-ohm)
+
+// Results
+disp("PART III - EXAMPLE : 6.5 : SOLUTION :-")
+printf("\nVoltage across the pole of a CB = %.1f kV", V_pros)
+printf("\nResistance to be used across the contacts to eliminate the restriking voltage, R = %.2f k-ohm\n", R)
+printf("\nNOTE: ERROR: Unit of final answer R is k-ohm, not ohm as in the textbook solution")
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