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22-Elec-B8 Power Electronics and Drives: May 2016

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 SCR Characteristics and a Single-Phase A.C. Voltage Controller
  2. Question 2 Basic Chopper with an R–L–Back-EMF Load
  3. Question 3 Harmonics in a Single-Pulse-Modulation Inverter
  4. Question 4 Inverter Auxiliaries and Chopper Ripple with a Changed Load Resistance
  5. Question 5 High-Frequency PWM Drives and Constant-Volts-per-Hertz Breakdown Torque
  6. Question 6 Three-Phase Bridge Speed Control of a Separately Excited D.C. Motor

Start with Question 1 →

Paper format: National Exams, May 2016 — 07-Elec-B8 Power Electronics and Drives. Open-book, three hours, six problems of equal value (20 points each). The rubric marks only the first five answered; all six are worked here, because the complete set is the study resource.

Reference texts. M. H. Rashid, Power Electronics: Circuits, Devices and Applications, 4th ed. (primary); N. Mohan, T. M. Undeland and W. P. Robbins, Power Electronics: Converters, Applications and Design, 3rd ed.; B. K. Bose, Modern Power Electronics and AC Drives; R. Krishnan, Electric Motor Drives: Modeling, Analysis and Control; C. W. Lander, Power Electronics, 3rd ed.