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 --- 2213/CH9/EX9.2/ex_9_2.sce | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100755 2213/CH9/EX9.2/ex_9_2.sce (limited to '2213/CH9/EX9.2/ex_9_2.sce') diff --git a/2213/CH9/EX9.2/ex_9_2.sce b/2213/CH9/EX9.2/ex_9_2.sce new file mode 100755 index 000000000..a27b324d1 --- /dev/null +++ b/2213/CH9/EX9.2/ex_9_2.sce @@ -0,0 +1,25 @@ +//Example 9.2.rheostatic losses and train speed +clc; +clear; +close; +//given data : +format('v',7) +V=600;// in volts +I=300;//in A +Ts=15;// in sec +R=0.1;// in ohm +E_bse=(V/2)-(I*R); +E_bp=V-(I*R); +Tse=(E_bse/E_bp)*Ts; +Tp=Ts-Tse; +Vd=V-(2*I*R); +Ed1=(round((Vd/2)*I*(Tse/3600))*10^-3);// +disp("part (i)") +disp(Ed1,"rheostatic in series,Ed1(kWh) = ") +Ed2=((V/2)/2)*2*I*(Tp/3600)*10^-3; +disp(Ed2,"rheostatic in parallel,Ed2(kWh) = ") +Vm=29;// in kmph +alfa=Vm/Ts; +S=alfa*Tse; +disp("part (ii)") +disp(S,"Speed at the end of series period,S(km/h) = ") -- cgit