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/CH4/EX4.5/Ex4_5.sce | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100755 2642/CH4/EX4.5/Ex4_5.sce (limited to '2642/CH4/EX4.5') diff --git a/2642/CH4/EX4.5/Ex4_5.sce b/2642/CH4/EX4.5/Ex4_5.sce new file mode 100755 index 000000000..7996df6df --- /dev/null +++ b/2642/CH4/EX4.5/Ex4_5.sce @@ -0,0 +1,28 @@ +// FUNDAMENTALS OF ELECTICAL MACHINES +// M.A.SALAM +// NAROSA PUBLISHING HOUSE +// SECOND EDITION + +// Chapter 4 : DIRECT CURRENT GENERATORS +// Example : 4.5 + + +clc;clear; // clears the console and command history + +// Given data +P = 6 // number of poles +Z = 600 // number of conductors +phi = 0.05 // flux per pole in Wb +N = 1000 // speed in rpm +I_a = 120 // generetor supply current in A + +// caclulations +A=6 // for lap-wound A=P +E_g = (P*phi*Z*N)/(60*A) // generated voltage in V +T_em = ((P*Z*phi)/(2*%pi*A))*I_a // electromagnetic torque in N-m + + +// display the result +disp("Example 4.5 solution"); +printf(" \n Generated voltage \n E_g = %.0f V \n", E_g); +printf(" \n Electromagnetic torque \n T_em = %.2f N-m \n", T_em); -- cgit