From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

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 2642/CH5/EX5.3/Ex5_3.sce | 24 ++++++++++++++++++++++++
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 create mode 100755 2642/CH5/EX5.3/Ex5_3.sce

(limited to '2642/CH5/EX5.3')

diff --git a/2642/CH5/EX5.3/Ex5_3.sce b/2642/CH5/EX5.3/Ex5_3.sce
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+// FUNDAMENTALS OF ELECTICAL MACHINES 
+// M.A.SALAM 
+// NAROSA PUBLISHING HOUSE 
+// SECOND EDITION
+
+// Chapter 5 : DIRECT CURRENT MOTORS 
+// Example : 5.3 
+
+clc;clear; // clears the console and command history 
+// Given data 
+R_a = 0.7;     // armature circuit resistance in Ω
+V_t = 5;       // applied voltage in V
+I_anl = 5;     // no-load armature current in A
+I_afl = 35;    // full-load armature current in A
+
+
+// caclulations 
+E_bnl =  V_t - R_a*I_anl;   // back emf under no-load in V
+E_bfl =  V_t - R_a*I_afl;   // back emf under full-load in V
+E_bc =  E_bnl - E_bfl;      // change in back emf from  no-load to full load in V
+ 
+ // display the result 
+disp("Example 5.3 solution");
+printf("\n The change in back emf is \n E_bc = %d V ",E_bc ); 
-- 
cgit