hw7 - SELECTED ANSWERS 7-5 a. 3000 rpm b. 50 kW c. 169.3...

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EEL 3211 Basic Electrical Energy Engineering Homework 7 Book * Problems: 7-5, 7-13, 7-14, 7-15, 7-18 (don’t need to plot torque-speed curve) ** EXTRA CREDIT: 0.3 extra credit HW points for correctly doing problem 7-17 and plotting the torque-speed curve for 7-18 using the software of your choice. Include the source codes and plots as a separate file when submitting your HW assignment online. Note, I don’t want you to submit the actual MATLAB m-file or MathCAD files… I want to see the code and the plots formatted in a single, easy-to-read PDF file.
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Unformatted text preview: SELECTED ANSWERS 7-5 a. 3000 rpm b. 50 kW c. 169.3 N-m d. 173.4 N-m e. 3 Hz 7-14 a. 141 ANG -24.3 deg A b. 0.911 lagging c. 0.995 lagging d. 4.89 kW e. 92.6 kW f. 88.9 kW g. 884 N-m h. 854 N-m i. 87.7% j. 960 rpm; 100.5 rad/s 7-15 a. 1941 N-m; 0.187 slip; 813 rpm 7-18 R1 = 0.105 Ohm X1 = j0.211 Ohm Xm = j5.244 Ohm R2 = 0.071 Ohm X2 = j0.317 Ohm * Homework assignments are from the text, Chapman, Electrical Machinery and Power System Fundamentals , McGraw-Hill, 2002, ISBN 0-07-229135-4. SOLUTIONS Extra Credit...
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hw7 - SELECTED ANSWERS 7-5 a. 3000 rpm b. 50 kW c. 169.3...

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