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/CH1/EX1.23/Ex1_23.sce | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 3784/CH1/EX1.23/Ex1_23.sce (limited to '3784/CH1/EX1.23/Ex1_23.sce') diff --git a/3784/CH1/EX1.23/Ex1_23.sce b/3784/CH1/EX1.23/Ex1_23.sce new file mode 100644 index 000000000..0fc1d1776 --- /dev/null +++ b/3784/CH1/EX1.23/Ex1_23.sce @@ -0,0 +1,22 @@ +clc +// Variable Initialization +Vm=250//Supply Voltage in Volts +Ra=0.3//Combined Field and Armature circuit resistance in Ohm +N=900 //Motor speed in Rpm +V=220//Rated voltage of motor in Volts +a=30//firing angle in Degree +Kaf=0.03 //Constant in N-m/A^2 +Kres=0.075 //Constant in V-s/Rad + +//Solution +W=(2*%pi*N)/60 //angular speed in Rad/sec +Ia=(((Vm*1.414)/%pi)*(1+cosd(a))-(Kres*W))*(1/(Ra+Kaf*W))//Armature current in Amp +T=Kaf*(Ia)^2//Torque in N-m +I=(T/Kaf)^(1/2)//motor current in Amp +//The motor Terminal voltage would be given by the output voltage of the converter +Va=(Vm*1.414)*(1+cosd(a))*(1/%pi)//Output voltage in Volts + +//Results +printf('\n\n The motor Torque =%0.1f N-m \n\n',T) +printf('\n\n The motor Current =%0.1f Amp \n\n',I) +printf('\n\n The motor output voltage =%0.1f Volts\n\n',Va) -- cgit