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

---
 3311/CH8/EX8.12/Ex8_12.sce | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100755 3311/CH8/EX8.12/Ex8_12.sce

(limited to '3311/CH8/EX8.12/Ex8_12.sce')

diff --git a/3311/CH8/EX8.12/Ex8_12.sce b/3311/CH8/EX8.12/Ex8_12.sce
new file mode 100755
index 000000000..c0b4a3973
--- /dev/null
+++ b/3311/CH8/EX8.12/Ex8_12.sce
@@ -0,0 +1,18 @@
+// chapter 8
+// example 8.12
+// Determine the ON time of the chopper
+// page-465
+clear;
+clc;
+// given
+Edc=230; // in V (dc source)
+F=400; // in Hz (chopping frequency)
+E0=150; // in V
+// calculate
+// Siince E0=alpha*Edc, therefore we get,
+alpha=E0/Edc;
+T=1/F;
+// Since alpha=Ton/T, therefore we get,
+Ton=alpha*T;
+printf("\nThe ON time of chopper is \t Ton=%.4f ms",Ton*1E3);
+// Note: The answer varies slightly due to precise calculation upto 6 decimal digit
\ No newline at end of file
-- 
cgit