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

---
 833/CH15/EX15.9/Ex15_9.sce     | 22 ++++++++++++++++++++++
 833/CH15/EX15.9/Ex15_9.txt     | 22 ++++++++++++++++++++++
 833/CH15/EX15.9/Result15_9.txt |  4 ++++
 3 files changed, 48 insertions(+)
 create mode 100755 833/CH15/EX15.9/Ex15_9.sce
 create mode 100755 833/CH15/EX15.9/Ex15_9.txt
 create mode 100755 833/CH15/EX15.9/Result15_9.txt

(limited to '833/CH15/EX15.9')

diff --git a/833/CH15/EX15.9/Ex15_9.sce b/833/CH15/EX15.9/Ex15_9.sce
new file mode 100755
index 000000000..6cc6f980a
--- /dev/null
+++ b/833/CH15/EX15.9/Ex15_9.sce
@@ -0,0 +1,22 @@
+//Caption:Find efficiency of machine
+//Exa:15.9
+clc;
+clear;
+close;
+P=50000//Power of alternator(in KVA)
+V=11//Voltage of alternator(in Kv)
+pf=0.8//Power factor
+r=0.01//Resistance of stator winding per phase(in ohms)
+Wc=150//Copper loss(in KW)
+Wf=100//Friction loss(in KW)
+Ww=250//Winding loss(in KW)
+Wco=200//Core loss(in KW)
+We=15//Excitor loss(in KW)
+Is=(P*1000)/(sqrt(3)*V*1000)
+Ps=(Is^2)*3*(r/1000)
+Ws=(0.5*Ps)
+Lt=Ps+Ws+Wc+Wf+Ww+Wco+We
+Po=P*pf
+Pi=Po+Lt
+e=Po*100/Pi
+disp(e,'Efficieny of machine(in %)=')
\ No newline at end of file
diff --git a/833/CH15/EX15.9/Ex15_9.txt b/833/CH15/EX15.9/Ex15_9.txt
new file mode 100755
index 000000000..6cc6f980a
--- /dev/null
+++ b/833/CH15/EX15.9/Ex15_9.txt
@@ -0,0 +1,22 @@
+//Caption:Find efficiency of machine
+//Exa:15.9
+clc;
+clear;
+close;
+P=50000//Power of alternator(in KVA)
+V=11//Voltage of alternator(in Kv)
+pf=0.8//Power factor
+r=0.01//Resistance of stator winding per phase(in ohms)
+Wc=150//Copper loss(in KW)
+Wf=100//Friction loss(in KW)
+Ww=250//Winding loss(in KW)
+Wco=200//Core loss(in KW)
+We=15//Excitor loss(in KW)
+Is=(P*1000)/(sqrt(3)*V*1000)
+Ps=(Is^2)*3*(r/1000)
+Ws=(0.5*Ps)
+Lt=Ps+Ws+Wc+Wf+Ww+Wco+We
+Po=P*pf
+Pi=Po+Lt
+e=Po*100/Pi
+disp(e,'Efficieny of machine(in %)=')
\ No newline at end of file
diff --git a/833/CH15/EX15.9/Result15_9.txt b/833/CH15/EX15.9/Result15_9.txt
new file mode 100755
index 000000000..1c16ea80b
--- /dev/null
+++ b/833/CH15/EX15.9/Result15_9.txt
@@ -0,0 +1,4 @@
+ Efficieny of machine(in %)=   
+ 
+    97.50172  
+ 
\ No newline at end of file
-- 
cgit