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/CH7/EX7.2/Ex7_2.sce | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 3784/CH7/EX7.2/Ex7_2.sce

(limited to '3784/CH7/EX7.2/Ex7_2.sce')

diff --git a/3784/CH7/EX7.2/Ex7_2.sce b/3784/CH7/EX7.2/Ex7_2.sce
new file mode 100644
index 000000000..db59d6fb6
--- /dev/null
+++ b/3784/CH7/EX7.2/Ex7_2.sce
@@ -0,0 +1,22 @@
+clc 
+//variable initialisation
+V=440 //Supply voltage in volts
+P=4 //number of poles
+f=50 //Supply frequency in Hz
+R=0.2 //rotor resistance in ohm
+X=0.35 //leakage reactance in ohm
+N1=1450 //speed in rpm
+N2=1200 //speed in rpm
+S2=0.2
+//solution
+Vph=V/sqrt(3)
+Ns=(120*f)/P//Synchronous Speed
+Wms=2*%pi*Ns/60
+S=(Ns-N1)/Ns
+T=(3/Wms)*(Vph^2)*(R/S)/((R/S)^2+(X)^2)//The answer provided in the textbook is wrong
+K=T/(1-S)
+T2=K*(1-S2)
+Vph2=sqrt(T2*((R/S)^2+(X)^2)/((3/Wms)*(R/S)))
+Vl=Vph2*sqrt(3)
+printf('\n\n Torque=%0.1f N-m\n\n',T)//The answer provided in the textbook is wrong
+printf('\n\n Line Voltage to be imposed=%0.1f Volts\n\n',Vph2)
-- 
cgit