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

---
 181/CH8/EX8.7/example8_7.sce | 23 +++++++++++++++++++++++
 181/CH8/EX8.7/example8_7.txt |  3 +++
 2 files changed, 26 insertions(+)
 create mode 100755 181/CH8/EX8.7/example8_7.sce
 create mode 100755 181/CH8/EX8.7/example8_7.txt

(limited to '181/CH8/EX8.7')

diff --git a/181/CH8/EX8.7/example8_7.sce b/181/CH8/EX8.7/example8_7.sce
new file mode 100755
index 000000000..4a5b2d4aa
--- /dev/null
+++ b/181/CH8/EX8.7/example8_7.sce
@@ -0,0 +1,23 @@
+// Calculate surge current & I2t ratings
+// Basic Electronics
+// By Debashis De
+// First Edition, 2010
+// Dorling Kindersley Pvt. Ltd. India
+// Example 8-7 in page 379
+
+clear; clc; close;
+
+// Given Data
+ish=3000; // half cycle surge current rating of SCR in A
+f=50; // Frequency of operation of supply in Hz
+
+// Calculations
+I=ish*sqrt(2*f)/sqrt(4*f); 
+I2t_rate=(I*I)/(2*f); 
+
+printf("(a)The surge current rating of one cycle for the SCR is %0.2f A \n",I);
+printf("(b)The I2t rating of one cycle for the SCR is %0.2f A^2-second \n",I2t_rate);
+
+// Results
+// (a) The surge current rating of one cycle for the SCR is 2121.32 A
+// (b) The I2t rating of one cycle for the SCR is 45000 A^2-second
\ No newline at end of file
diff --git a/181/CH8/EX8.7/example8_7.txt b/181/CH8/EX8.7/example8_7.txt
new file mode 100755
index 000000000..970a52106
--- /dev/null
+++ b/181/CH8/EX8.7/example8_7.txt
@@ -0,0 +1,3 @@
+(a)The surge current rating of one cycle for the SCR is 2121.32 A 
+(b)The I2t rating of one cycle for the SCR is 45000.00 A^2-second 
+ 
\ No newline at end of file
-- 
cgit