ECE4054 - Electrical energy - power converters and motor control

Offered

Clayton Second semester 2008 (Day)

Synopsis

The unit looks at the use of power electronic converters in applications such as variable speed motor drives and electrical grid energy control. It analyses voltage and current source inverters operating under open and closed loop regulation, develops advanced models of AC motors, and then integrates these concepts into variable speed drives for AC motors. A similar approach is used for DC motor drive systems, first using multipulse SCR converters and then hard switched converters for more advanced systems based on brushless DC and stepper servo motors. Finally, topologies such as cycloconverters, matrix converters and multilevel converters are presented, together with typical applications.

Objectives

To understand
The way in which electrical motors can operate at variable speeds
The use of power electronic converters for variable speed motor control
How electrical energy can be controlled by power electronic converters for industrial processes and to improve power quality.

Assessment

Laboratory and assignment work: 30%
Examination (3 hours): 70%. Student must achieve a mark of 45% in each component and an overall mark of 50% to achieve an overall pass grade.

Contact hours

2 hours lectures, 3 hours laboratory/practice classes and 7 hours private study per week

Co-requisites

ECE3051

Prohibitions

ECE4504, ECE5054, ECE5504