18-729C: Special Topics in Circuits: Power Electronics

Units: 12

The course will cover, from a ground-up approach, devices and their characteristics, conversion techniques and circuits with an emphasis on power conversion fundamentals, and applications of power electronics.

The course will describe power electronics as the combination of power, electronics, and control; wherein the "control" aspect addresses steady-state and dynamic characteristics of closed-loop systems; "power" addresses static, dynamic, and rotating equipment for the generation, transmission, and distribution of electric power; and "electronics" addresses solid-state devices and circuits for signal processing that meet the desired control objectives of the system. The course deals will all of these aspects of power electronics, and defines power electronics as the applications of solid-state electronics for the control and conversion of electric power.

The course will introduce the various types of power semiconductor technologies, along with their designs, switching techniques, and operating phenomena. A description of the impact that the development of microprocessors & microcomputer technology has had on the control and synthesis of power semiconductors will be introduced. An explanation will be provided on how power electronics uses power semiconductors as the "muscle" and microelectronics as the "brain" or "intelligence" of power electronics systems.

Consideration is given to the continued advancement of power semiconductor capabilities and switching speeds, which has lead to higher-power applications in products, including (but not limited to) lighting and heat controls, motor controls and motor drives, power supplies, vehicle propulsion systems, high-voltage dc converter systems (HVDC), and flexible ac transmission systems (FACTS), all of which will be studied.

Power electronics circuit design and characteristics will be described, covering diode circuits, rectifiers, voltage controllers, drives, inverters and converters. Aspects of design challenges and economic considerations will be introduced.

Conversion techniques, including various pulse-width modulation methods, will be described. Practical aspects of control coordination and application needs in balance with conversion methods will be explored.

Descriptions of power supplies and power conditioning will be conducted. Both DC and AC drive systems will be introduced.

Applications of power electronics systems will be explained, including technologies applied for static switching, drive systems, UPS, HVDC, FACTS, and other systems utilized in commercial, industrial, transportation, and high-power utility fields. Future applications and advancements of power electronics technologies will be explored.

3 hrs. lec.

Prerequisite: Senior or graduate standing


Circuits, Circuits


Last modified on 2013-01-03

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