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 --- 833/CH7/EX7.13/Ex7_13.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100755 833/CH7/EX7.13/Ex7_13.txt (limited to '833/CH7/EX7.13/Ex7_13.txt') diff --git a/833/CH7/EX7.13/Ex7_13.txt b/833/CH7/EX7.13/Ex7_13.txt new file mode 100755 index 000000000..f1657c3d0 --- /dev/null +++ b/833/CH7/EX7.13/Ex7_13.txt @@ -0,0 +1,17 @@ +//Caption:Find the time of Commutation +//Exa:7.13 +clc; +clear; +close; +p=4//Number of poles +n=600//Speed of generator(in r.p.m) +d=0.4//Diameter of commutator(in m) +c=243//Number ofcommutator segments +c_s=3//Coil sides per layer +w=12.5//Width of brush(in mm) +W=0.6//Width of mica between commutator segments +W_c=(%pi*d*1000)/(c) +D=w-W+(2*W_c) +V_c=(%pi*d*n)/60 +T=D/V_c*(10^(-3)) +disp(T,'Time of commutation(in sec)=') \ No newline at end of file -- cgit