From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 3472/CH32/EX32.6/Example32_6.sce | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 3472/CH32/EX32.6/Example32_6.sce (limited to '3472/CH32/EX32.6') diff --git a/3472/CH32/EX32.6/Example32_6.sce b/3472/CH32/EX32.6/Example32_6.sce new file mode 100644 index 000000000..16e218df7 --- /dev/null +++ b/3472/CH32/EX32.6/Example32_6.sce @@ -0,0 +1,28 @@ +// 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 : 6.6 : +// Page number 567 +clear ; clc ; close ; // Clear the work space and console + +// Given data +I = 1200.0 // Rated normal current(A) +MVA = 1500.0 // Rated MVA +kV = 33.0 // Voltage(kV) + +// Calculations +I_breaking = MVA/(3**0.5*kV) // Rated symmetrical breaking current(kA) +I_making = I_breaking*2.55 // Rated making current(kA) +I_short = I_breaking // Short-time rating(kA) + +// Results +disp("PART III - EXAMPLE : 6.6 : SOLUTION :-") +printf("\nRated normal current = %.f A", I) +printf("\nBreaking current = %.2f kA (rms)", I_breaking) +printf("\nMaking current = %.f kA", I_making) +printf("\nShort-time rating = %.2f kA for 3 secs", I_short) -- cgit