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

---
 509/CH4/EX4.4/4_4.sci | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 509/CH4/EX4.4/4_4.sci

(limited to '509/CH4/EX4.4')

diff --git a/509/CH4/EX4.4/4_4.sci b/509/CH4/EX4.4/4_4.sci
new file mode 100644
index 000000000..981a99f9d
--- /dev/null
+++ b/509/CH4/EX4.4/4_4.sci
@@ -0,0 +1,30 @@
+// Chapter 4 Example 4//
+clc
+clear
+// total load the consumer=tl,power factor=pf1//
+tl=20;// in kW//
+pf1=0.8;
+// angle of power factor=a1//
+a1=acosd(pf1);// in degrees//
+pf2=0.95;// new power factor=pf2//
+a2=acosd(pf2);
+//original reactive power=r1,reactive power with power factor pf2=r2//
+r1=tl/pf1;
+r2=tl/pf2;
+// rating of the capacitor required to raise the power factor=c//
+c=r1*sind(a1)-r2*sind(a2);
+printf("\n Rating of the capacitor = %.2f kVAr\n",c);
+// power factor of the phase advancing device=pf3//
+pf3=0.1;
+a3=acosd(pf3);
+a=a1-a2;
+b=58.87;// in degrees//
+c=102.45;
+// rating of the device=r//
+r=r1*sind(a)/sind(c);
+printf("\n Rating of the device = %.2f kVA\n",r);
+
+
+
+
+
-- 
cgit