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diff --git a/1092/CH9/EX9.14/Example9_14.sce b/1092/CH9/EX9.14/Example9_14.sce new file mode 100755 index 000000000..e1715c743 --- /dev/null +++ b/1092/CH9/EX9.14/Example9_14.sce @@ -0,0 +1,29 @@ +// Electric Machinery and Transformers +// Irving L kosow +// Prentice Hall of India +// 2nd editiom + +// Chapter 9: POLYPHASE INDUCTION (ASYNCHRONOUS) DYNAMOS +// Example 9-14 + +clear; clc; close; // Clear the work space and console. + +// Given data +T_max = 17.75 ; // Maximum torque developed in lb-ft +s_max = 0.3 ; // Slip for which T_max occurs +s_a = 0.0333 ; // slip (case a) +s_b = 1.0 ; // slip (case b) + +// Calculations +// Subscript a in T indicates case a +T_a = T_max * ( 2 / ((s_max/s_a) + (s_a/s_max)) ); // Full-load torque in lb-ft + +// Subscript b in T indicates case b +T_b = T_max * ( 2 / ((s_max/s_b) + (s_b/s_max)) ); // Starting torque in lb-ft + +// Display the results +disp("Example 9-14 Solution : "); + +printf(" \n a: Full-load torque at slip = %.4f \n T = %.1f lb-ft\n",s_a,T_a); + +printf(" \n b: Starting torque at slip = %.1f \n T = %.2f lb-ft\n",s_b,T_b); |