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/CH7/EX7.1/Ex7_1.sce | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100755 2642/CH7/EX7.1/Ex7_1.sce (limited to '2642/CH7/EX7.1') diff --git a/2642/CH7/EX7.1/Ex7_1.sce b/2642/CH7/EX7.1/Ex7_1.sce new file mode 100755 index 000000000..cd74940ef --- /dev/null +++ b/2642/CH7/EX7.1/Ex7_1.sce @@ -0,0 +1,27 @@ +// FUNDAMENTALS OF ELECTICAL MACHINES +// M.A.SALAM +// NAROSA PUBLISHING HOUSE +// SECOND EDITION + +// Chapter 7 : THREE-PHASE INDUCTION MOTOR +// Example : 7.1 + +clc;clear; // clears the console and command history + +// Given data +V = 230 // supply voltage in V +P = 4 // number of poles +f = 50 // frequecny Hz +N_l = 1445 // speed in rpm + +// caclulations +N_s = 120*f/P // synchronous speed in rpm +s = (N_s-N_l)/N_s // slip +f_r = s*f // rotor frequency in Hz + +// display the result +disp("Example 7.1 solution"); +printf(" \n Synchronous speed \n N_s = %.1f rpm \n", N_s); +printf(" \n Slip \n s = %.4f \n", s); +printf(" \n Rotor frequency \n f_r = %.1f Hz \n", f_r); + -- cgit