22-Elec-A6 Power Systems and Machines: May 2015

Professional Engineers Ontario — 07-Elec-A6 Power Systems and Machines, Spring 2015. Closed-book; formula sheets supplied. FIVE questions constitute a complete paper and all are of equal value (20 marks each). All ac quantities are rms; three-phase voltages are line-to-line and power is total unless noted.

Reference texts: S. J. Chapman, Electric Machinery Fundamentals, 5th ed. (McGraw-Hill) — Ch. 2 transformers, Ch. 6–7 induction machines, Ch. 5 synchronous machines, Ch. 8–9 DC machines; A. E. Fitzgerald, C. Kingsley & S. Umans, Electric Machinery, 6th ed.; P. C. Sen, Principles of Electric Machines and Power Electronics, 3rd ed.