From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 3760/CH6/EX6.11/Ex6_11.sce | 73 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 3760/CH6/EX6.11/Ex6_11.sce (limited to '3760/CH6/EX6.11/Ex6_11.sce') diff --git a/3760/CH6/EX6.11/Ex6_11.sce b/3760/CH6/EX6.11/Ex6_11.sce new file mode 100644 index 000000000..2e9a99d24 --- /dev/null +++ b/3760/CH6/EX6.11/Ex6_11.sce @@ -0,0 +1,73 @@ +clc; +P=4; +r1=0.15; +x1=0.45; +r2=0.12; +x2=0.45; +Xm=28.5; +s=0.04; +V=400; +f=50; +Pfixed=400; + +//from problem 6.10 +Re=0.1476; +Xe=0.443; +r2=0.12; +x2=0.45; + +a=Xm/(x2+Xm); +//Ve=a*V1; +Wr=(4*%pi*f)/P; +b=(3/Wr)*(1/2)*(1/((Re)+(sqrt((Re*Re)+((x2+Xe)*(x2+Xe)))))); +//Tem=b*Ve*Ve + +//for part a +V1=230; +Ve1=a*V1; +Tem1=b*Ve1*Ve1; +mprintf('for part a \n maximum internal torque developed is %f Nm \n',Tem1); + +//for part b +V2=115; +Ve2=a*V2; +Tem2=b*Ve2*Ve2; +mprintf('for part b \n maximum internal torque developed is %f Nm \n',Tem2); + +//for f=25 Hz +Xe1=(1/2)*Xe; +x21=(1/2)*x2; +Ws1=(1/2)*Wr; + + +//for part c +V3=115; +Ve3=a*V3; +Tem3=(3/Ws1)*Ve3*Ve3*(1/2)*(1/((Re)+(sqrt((Re*Re)+((x21+Xe1)*(x21+Xe1)))))) +mprintf('for part c \n maximum internal torque developed is %f Nm \n',Tem3); + +//for f=5 Hz +Xe2=(1/10)*Xe; +x22=(1/10)*x2; +Ws2=(1/10)*Wr; + + +//for part d +f3=5; //f3=(1/10)*f +V4=23; +Ve4=a*V4; +Tem4=(3/Ws2)*Ve4*Ve4*(1/2)*(1/((Re)+(sqrt((Re*Re)+(((x22+Xe2)*(x22+Xe2))))))) +mprintf('for part d \n maximum internal torque developed is %f Nm \n',Tem4); + + + + + + + + + + + + + -- cgit