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+// 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 4: OVERHEAD LINE INSULATORS
+
+// EXAMPLE : 4.9 :
+// Page number 188
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+n = 3.0              // Number of insulators
+V = 20.0             // Voltage across each conductor(kV)
+c = 1.0/5            // Capacitance ratio
+
+// Calculations
+V_2 = 6.0/5.0            // Voltage across middle unit as top unit
+V_1 = V/(1+2*V_2)        // Voltage across top unit(kV)
+V_3 = V_2*V_1            // Voltage across bottom unit(kV)
+C_x = c*(1+(1/V_2))      // Capacitance required
+
+// Results
+disp("PART II - EXAMPLE : 4.9 : SOLUTION :-")
+printf("\nCase(a): Voltage on the line-end unit, V_3 = %.2f kV", V_3)
+printf("\nCase(b): Value of capacitance required, Cx = %.3f*C", C_x)