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 --- 2642/CH3/EX3.1/Ex3_1.sce | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100755 2642/CH3/EX3.1/Ex3_1.sce (limited to '2642/CH3/EX3.1') diff --git a/2642/CH3/EX3.1/Ex3_1.sce b/2642/CH3/EX3.1/Ex3_1.sce new file mode 100755 index 000000000..f0c310134 --- /dev/null +++ b/2642/CH3/EX3.1/Ex3_1.sce @@ -0,0 +1,26 @@ +// FUNDAMENTALS OF ELECTICAL MACHINES +// M.A.SALAM +// NAROSA PUBLISHING HOUSE +// SECOND EDITION + +// Chapter 3 : TRANSFORMER AND PER UNIT SYSTEM +// Example : 3.1 +clc;clear; // clears the console and command history + +// Given data +V_1 = 2200 // primary voltage of transformer in V +V_2 = 220 // secondary voltage of transformer in V +N_2 = 56 // number of turns in the secondary coil of transformer +kVA = 25 // kVA rating of transformer + +// caclulations +a = V_1/V_2 // turn ratio +N_1 = a*N_2 // number of primary turns +I_1 = kVA*10^3/V_1 // primary full load current in A +I_2 = kVA*10^3/V_2 // secondary full load current in A + +// display the result +disp("Example 3.1 solution"); +printf(" \n Number of primary turns \n N_1 = %.0f \n", N_1); +printf(" \n Primary full load current \n I_2 = %.2f A \n", I_1); +printf(" \n Secondary full load current \n I_2 = %.1f A \n", I_2); -- cgit