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Department of Electronic & Electrical Engineering, Unit Catalogue 2011/12


EE50177: Power electronics and machines

Click here for further information Credits: 6
Click here for further information Level: Masters UG & PG (FHEQ level 7)
Click here for further information Period: Semester 1
Click here for further information Assessment: EX 100%
Click here for further information Supplementary Assessment: Like-for-like reassessment (where allowed by programme regulations)
Click here for further information Requisites:
Click here for further information Description: Aims:
To introduce and analyse electrical machines and power electronic systems for high-power applications; such as, industrial and traction drives, small-scale power generation, and power system control. To examine the operation, characteristics, and capabilities of commonly used systems and their control methods.

Learning Outcomes:
After taking this unit the student should be able to:
(i) Appreciate the steady state and dynamic characteristics of induction machines when used for medium- and high-power motoring and generating duties. Understand the development of synchronous machine models using reference-frame theory, and the use of such models in performance prediction and for control.
(ii) Appreciate the characteristics and capabilities of high-power power-semiconductor devices, power conversion circuits, and converter control methods; understand selection criteria for matching power converter types and control methods with applications; and be able to undertake provisional performance assessments using specimen applications.

Skills:
Application of the information, techniques and methods discussed in the lectures, to the proposal of, and the carrying through of, appropriate so-lutions to engineering problems in high-power power-electronics and machines. Taught, facilitated and tested.

Content:
Induction machines: operation as motors and generators; space harmonic effects, and dynamic model.
Large synchronous machines; operating characteristics, dynamic model, and introduction to vector control.
AC-DC power conversion: thyristor converters, rectification, inversion, HVDC and drive applications, harmonic analysis.
DC-AC power conversion: inverter types, managing output waveform distortion; and applications in drives, reactive-power compensation and power-flow control.
High-power power-semiconductor devices: characteristics, performance and application requirements.
Click here for further informationProgramme availability:

EE50177 is Optional on the following programmes:

Department of Electronic & Electrical Engineering
NB. Programmes and units are subject to change at any time, in accordance with normal University procedures.