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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 7: UNDERGROUND CABLES
// EXAMPLE : 7.7 :
// Page number 214
clear ; clc ; close ; // Clear the work space and console
// Given data
R_3 = 1.00 // Cable radius(cm)
R_1 = 2.5 // Cable radius(cm)
// Calculations
R_2 = (R_1*R_3)**0.5 // Location of intersheath(cm)
alpha = R_1/R_2 // α
ratio = 2.0/(1+alpha) // Ratio of maximum electric field strength with & without intersheath
// Results
disp("PART II - EXAMPLE : 7.7 : SOLUTION :-")
printf("\nLocation of intersheath, R_2 = %.2f cm", R_2)
printf("\nRatio of maximum electric field strength with & without intersheath = %.3f ", ratio)
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