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 --- 2123/CH5/EX5.4/Exa_5_4.sce | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100755 2123/CH5/EX5.4/Exa_5_4.sce (limited to '2123/CH5/EX5.4/Exa_5_4.sce') diff --git a/2123/CH5/EX5.4/Exa_5_4.sce b/2123/CH5/EX5.4/Exa_5_4.sce new file mode 100755 index 000000000..965acc4d9 --- /dev/null +++ b/2123/CH5/EX5.4/Exa_5_4.sce @@ -0,0 +1,28 @@ +//Example No. 5.4 +clc; +clear; +close; +format('v',7); + +//Given Data : +Ia1=10;//A +V1=200;//volt +N1=1800;//rpm +Ra=0.6;//ohm +Rfield=360;//ohm +V2=180;//volt +I_line=20;//A +//fi2=V2/V1*fi1 +fi2BYfi1=V2/V1; +//Ia1*fi1=Ia2*fi2 +Ia2=Ia1/fi2BYfi1;//A +Eb1=V1-Ia1*Ra;//V +Eb2=V2-Ia2*Ra;//V +//Eb1/Eb2=fi1*N1/fi2/N2 +N2=N1/(Eb1/Eb2*fi2BYfi1);//rpm +disp(N2,"Motor speed after supply voltage decreases in rpm : "); +Ifield=V2/Rfield;//A +Ia=I_line-Ifield +//V2=Ia*(R+Ra) +R=V2/Ia-Ra;//ohm +disp(R,"Additional resistance in ohm : "); -- cgit