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 --- 3784/CH2/EX2.11/Ex2_11.sce | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 3784/CH2/EX2.11/Ex2_11.sce (limited to '3784/CH2/EX2.11') diff --git a/3784/CH2/EX2.11/Ex2_11.sce b/3784/CH2/EX2.11/Ex2_11.sce new file mode 100644 index 000000000..f11d443e2 --- /dev/null +++ b/3784/CH2/EX2.11/Ex2_11.sce @@ -0,0 +1,18 @@ +clc +//variable initialization +P=100e+3 //power in W +Va1=440 //Supply voltage in volts +N1=1000 //speed in rpm +N2=800 //speed in rpm +Eb1=410 //given Back EMF in volts +Vrms=415 //RMS voltage in volts +f=50 //Supply frequency in Hz + +//solution +Eb2=Eb1*(N2/N1) +Ia1=P/Va1 +Ra=(Va1-Eb1)/Ia1 +Ia2=0.75*Ia1//At 75% of rated torque +Va2=Eb2+(Ia2*Ra) +a=acosd((Va2*%pi)/(3*sqrt(2)*Vrms)) +printf('\n\n The Firing Angle=%0.1f\n\n',a) -- cgit