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ECE

ENEE475 Power Electronics

Course Description: This course is suitable for undergraduate and graduate students who want to learn the basic principles of power electronics and its applications.  Special emphasis is placed on the interdisciplinary nature of power electronics.  Strong and intimate connections between power electronics and circuit theory, electronic circuits, semiconductor devices, electric power, magnetics, motor drives and control are stressed.

Prerequisite(s): ENEE 303

Corequisite(s): None

Course Objectives:

  • Understanding the interdisciplinary nature of power electronics
  • Understanding the circuit theory, electronic circuits and semiconductor devices required to synthesize and analyze power electronic circuits
  • Understanding basic power electronics applications from power supplies to motor drives

Topics Covered:

  • Nature and basic principles of power electronics; review of circuit theory; Fourier series and time-domain analysis of electric circuits with nonsinuisoidal periodic excitations
  • AC power and three-phase circuits; transformers and concepts of magnetics used in power electronics
  • Power semiconductor devices: semiconductor materials, transport in semiconductors, drift-diffusion model, generation-recombination models, review of the basic principles of p-n junction diodes, bipolar junction transistors, power MOSFETs, thyristors and insulated gate bipolar transistors
  • Generic power electronic converters: line-frequency diode rectifiers, line-frequency phase-controlled rectifiers, DC-to-DC switch-mode converters, switch-mode DC-to-AC inverters, principles of pulse width modulation
  • Power electronics applications: power supplies and motor drives; principles of operations and torques of induction and synchronous motors; frequency control of speed of induction and synchronous motors