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

---
 416/CH14/EX14.11/ans14_11.txt     |  4 ++++
 416/CH14/EX14.11/example14_11.sce | 21 +++++++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100755 416/CH14/EX14.11/ans14_11.txt
 create mode 100755 416/CH14/EX14.11/example14_11.sce

(limited to '416/CH14/EX14.11')

diff --git a/416/CH14/EX14.11/ans14_11.txt b/416/CH14/EX14.11/ans14_11.txt
new file mode 100755
index 000000000..2158e82b3
--- /dev/null
+++ b/416/CH14/EX14.11/ans14_11.txt
@@ -0,0 +1,4 @@
+ 
+ example 14_11   
+change in frequency is -0.01307Hz 
+change in power -0.003333 p.u.MW 
\ No newline at end of file
diff --git a/416/CH14/EX14.11/example14_11.sce b/416/CH14/EX14.11/example14_11.sce
new file mode 100755
index 000000000..d4f502fa8
--- /dev/null
+++ b/416/CH14/EX14.11/example14_11.sce
@@ -0,0 +1,21 @@
+clc
+clear
+disp('example 14_11')
+pa=5000   //power of unit a
+pb=10000   //power of unit b
+r=2       //given speed regulation in p.uMW
+d=0.01   //d in p.u.MW/Hz
+dpa=0    //change in power  in unit a
+dpb=-100 //change in power in unit b 
+pbas=10000  //assume base as 10000 
+ra=r*pbas/pa  //speed regulation of the unit a
+da=d*pa/pbas  //da of unit b
+rb=r*pbas/pb //speed regulation of unit b
+db=d*pb/pbas  //db of unit b
+ba=da+(1/ra)  //area frequency response of a
+bb=db+(1/rb)  //area frequency response of b
+ma=dpa/pbas   //change in power a in per unit in unit a 
+mb=dpb/pbas   //change in power a in per unit in unit b
+df=(ma+mb)/(ba+bb) //change in frequency
+dpab=(ba*mb-bb*ma)/(ba+bb)  //change in power between ab
+printf("change in frequency is %.5fHz \nchange in power %.6f p.u.MW",df,dpab)
-- 
cgit