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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /181/CH8/EX8.7 | |
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initial commit / add all books
Diffstat (limited to '181/CH8/EX8.7')
| -rwxr-xr-x | 181/CH8/EX8.7/example8_7.sce | 23 | ||||
| -rwxr-xr-x | 181/CH8/EX8.7/example8_7.txt | 3 |
2 files changed, 26 insertions, 0 deletions
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 |