Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
Paper format. National Exams December 2019, 16-Elec-B7 Power Systems Engineering — open book, 3 hours, six questions of 20 marks each. The rubric states that "any five questions constitute a complete paper" and that "all questions are of equal value"; because this set is a study resource, all six questions are solved in full.
Reference texts. M. E. El-Hawary, Electrical Power Systems: Design and Analysis, rev. ed. (IEEE Press/Wiley) — the syllabus text for this exam code; J. D. Glover, M. S. Sarma & T. J. Overbye, Power System Analysis and Design, 6th ed. — Ch. 3 (per-unit and transformers), Ch. 4–5 (line parameters and models), Ch. 6 (power flow), Ch. 8–9 (symmetrical components and unsymmetrical faults), Ch. 11 (transient stability); S. J. Chapman, Electric Machinery Fundamentals, 5th ed., Ch. 4–5 (synchronous machines); CAN/CSA-C22.3 No. 1 Overhead Systems and CAN/CSA-C22.1 Canadian Electrical Code, Part I for Canadian installation practice.