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

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 3472/CH39/EX39.25/Example39_25.sce | 30 ++++++++++++++++++++++++++++++
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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 IV : UTILIZATION AND TRACTION
+// CHAPTER 1: INDUSTRIAL APPLICATIONS OF ELECTRIC MOTORS
+
+// EXAMPLE : 1.25 :
+// Page number 706-707
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+kW = 20.0        // Motor output(kW)
+theta_1 = 50.0   // Temperature rise not to be exceeded on overload(°C)
+t_1 = 1.0        // Time on overload(hour)
+theta_2 = 30.0   // Temperature rise on full-load(°C)
+t_2 = 1.0        // Time on full-load(hour)
+theta_3 = 40.0   // Temperature rise on full-load(°C)
+t_3 = 2.0        // Time on full-load(hour)
+
+// Calculations
+e_lambda = 1.0/3                 // Obtained directly from textbook
+theta_f = theta_2/(1-e_lambda)   // θ_f(°C)
+theta_f1 = theta_1/(1-e_lambda)  // θ'_f(°C)
+P = (theta_f1/theta_f)**0.5*kW   // Maximum overload that can be carried by the motor(kW)
+
+// Results
+disp("PART IV - EXAMPLE : 1.25 : SOLUTION :-")
+printf("\nMaximum overload that can be carried by the motor, P = %.1f kW", P)
-- 
cgit