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

---
 2441/CH1/EX1.19/Ex1_19.sce | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100755 2441/CH1/EX1.19/Ex1_19.sce

(limited to '2441/CH1/EX1.19/Ex1_19.sce')

diff --git a/2441/CH1/EX1.19/Ex1_19.sce b/2441/CH1/EX1.19/Ex1_19.sce
new file mode 100755
index 000000000..32ac5cd0f
--- /dev/null
+++ b/2441/CH1/EX1.19/Ex1_19.sce
@@ -0,0 +1,23 @@
+//exa 1.19 page 25
+clc;clear;close;
+format('v',5);
+V=400;//V
+s1=0.03;//initial slip
+delV=1;//%///Voltage Drop
+R1=0.290;//ohm/phase
+R2=0.15;//ohm/phase
+X=0.7;//ohm/phase(X1+X2)
+//V1^2*s1=V2^2*s2 for speed independent torque
+//taking for calculating s2
+V1=1;//V 
+V2=V1-V1*delV/100;//V
+s2=V1^2/V2^2*s1;//slip
+I2ByI1=sqrt([R1+R2/s1]^2+X^2)/sqrt([R1+R2/s2]^2+X^2)*(V2/V1)
+delI=(I2ByI1-1)*100;//%//Current Increase
+disp(delI,"1% drop in Voltage increases current by(%)");
+//P=(R1+R2/s)*I^2
+P2ByP1=(R1+R2/s2)/(R1+R2/s1)*I2ByI1^2;//ratio
+delP=(1-P2ByP1)*100;//%//Power Decrease
+format('v',4);
+disp(delP,"1% drop in Voltage decreases power input by(%)");
+//Answer in the textbook is not accurate.
-- 
cgit