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22-Elec-A6 Power Systems and Machines: May 2013

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  1. Question 1 DC Shunt Motor — Field Weakening
  2. Question 2 Three-Phase Squirrel-Cage Induction Motor
  3. Question 3 Single-Phase Transformer — Tests, Efficiency, Regulation
  4. Question 4 Three-Phase Synchronous Generator
  5. Question 5 Magnetic Circuit of a Two-Pole Machine
  6. Question 6 Two Generators Supplying a Common Load Bus

Start with Question 1 →

Professional Engineers Ontario — 07-Elec-A6 Power Systems and Machines, Spring 2013. Closed-book; five of the six questions constitute a complete paper (all of equal value, 20 marks each). All voltages and currents are rms values; three-phase voltages are line-to-line unless noted otherwise. All six questions are solved below as a complete study resource.

Reference texts. S. J. Chapman, Electric Machinery Fundamentals, 5th ed. (McGraw-Hill): DC machines (Ch. 9), transformers (Ch. 2), induction machines (Ch. 7), synchronous machines (Ch. 4–5), magnetic circuits (Ch. 1). J. D. Glover, M. S. Sarma & T. J. Overbye, Power System Analysis and Design (Cengage): per-phase and balanced three-phase network analysis (Ch. 2–3). T. Wildi, Electrical Machines, Drives, and Power Systems (Pearson).