Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
Paper format. Professional Engineers Ontario — 16-Elec-A6 Power Systems and Machines, December 2017. Closed-book, formula sheet supplied; three hours. FIVE questions constitute a complete paper and all are of equal value (20 marks). All AC voltages and currents are rms; three-phase voltages are line-to-line and power is total real power unless stated. All five questions are solved below.
Reference texts. S. J. Chapman, Electric Machinery Fundamentals, 5th ed. (McGraw-Hill) — DC machines ch. 8–9, transformers ch. 2, synchronous machines ch. 4–5, induction machines ch. 6. P. C. Sen, Principles of Electric Machines and Power Electronics, 3rd ed. (Wiley). T. Wildi, Electrical Machines, Drives, and Power Systems, 6th ed. (Pearson). Formula sheet as printed on pages 5–6 of the exam.
