initial commit / add all books

2 files changed, 42 insertions, 0 deletions

diff --git a/20/CH2/EX2.29.131/example2_29_pg131.sce b/20/CH2/EX2.29.131/example2_29_pg131.sce
new file mode 100755
index 000000000..f67a9454f
--- /dev/null
+++ b/20/CH2/EX2.29.131/example2_29_pg131.sce
@@ -0,0 +1,31 @@
+// Example2_29_pg131.sce
+// Positive Negative and Zero sequence voltages
+// Theory of Alternating Current Machinery by Alexander Langsdorf
+// First Edition 1999, Thirty Second reprint
+// Tata McGraw Hill Publishing Company
+// Example in Page 131
+
+
+clear; clc; close;
+
+// Given data
+V_1 = 1000 + 50*%i;
+V_2 = -800 + 100*%i;
+V_3 = -1100 - 270*%i;
+a = cos(2*%pi/3) + %i*sin(2*%pi/3);
+
+// Calculations
+disp('According to Equations 2-90, 2-88 and 2-89');
+V_0 = (V_1 + V_2 + V_3)/3;
+V_1p = (V_1 + V_2*a + V_3*a^2)/3;
+V_1n = (V_1 + V_2*a^(-1) + V_3*a^(-2))/3;
+
+printf("\n\nZero sequence voltage is = %0.4f /_ %0.2f Volts \nPositive sequence voltage is = %0.4f /_ %0.2f Volts \nNegative sequence voltage is = %0.4f /_ %0.2f Volts\n",abs(V_0),atan(imag(V_0)/real(V_0))*180/%pi, abs(V_1p),atan(imag(V_1p)/real(V_1p))*180/%pi, abs(V_1n),atan(imag(V_1n)/real(V_1n))*180/%pi);
+
+// Result
+//  According to Equations 2-90, 2-88 and 2-89   
+//
+//
+// Zero sequence voltage is = 302.6549 /_ 7.59 Volts 
+// Positive sequence voltage is = 558.9050 /_ 13.62 Volts 
+// Negative sequence voltage is = 757.9524 /_ -3.15 Volts
diff --git a/20/CH2/EX2.29.131/example2_29_pg131.txt b/20/CH2/EX2.29.131/example2_29_pg131.txt
new file mode 100755
index 000000000..c219e5294
--- /dev/null
+++ b/20/CH2/EX2.29.131/example2_29_pg131.txt
@@ -0,0 +1,11 @@
+ 
+-->exec('/home/octav/Techpassion_project_updated_19_June/Codes/Chapter_2/code/example2_29_pg131.sce', -1)
+ 
+ According to Equations 2-90, 2-88 and 2-89   
+
+
+Zero sequence voltage is = 302.6549 /_ 7.59 Volts 
+Positive sequence voltage is = 558.9050 /_ 13.62 Volts 
+Negative sequence voltage is = 757.9524 /_ -3.15 Volts
+ 
+-->diary(0);