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Full-Text Articles in Engineering
Five-Level Active Npc Converter Topology: She-Pwm Control And Operation Principles, Sridhar Reddy Pulikanti, Vassilios G. Agelidis
Five-Level Active Npc Converter Topology: She-Pwm Control And Operation Principles, Sridhar Reddy Pulikanti, Vassilios G. Agelidis
Faculty of Engineering and Information Sciences - Papers: Part A
The neutral-point-clamped (NPC) inverter topology has been the centre of research and development effort for numerous applications, including medium- and high-voltage electric motor drives, static compensators (STATCOMs) and other utility type of power electronic systems for almost three decades now. Pulse-width modulation (PWM) control methods have been developed for such topology for respective three-level and multilevel versions. The issue of voltage balancing between the DC bus capacitors is a drawback that requires attention and the problem becomes more serious as the number of levels increases. Selective harmonic elimination PWM can be applied to control the topology as a method to …
Application Of Constructive Alignment Principles To Engineering Education: Have We Really Changed?, Sharon Nightingale, Anna L. Carew, Justin Fung
Application Of Constructive Alignment Principles To Engineering Education: Have We Really Changed?, Sharon Nightingale, Anna L. Carew, Justin Fung
Faculty of Engineering - Papers (Archive)
A survey of some common engineering subjects in four Australian universities shows that despite much discussion of student centred learning, assessment is still very heavily based on examinations. Analysis of exam questions, and other assessment tasks also shows that in some cases there may be significant mismatch between the stated learning objectives of subjects and the way in which students are assessed. Application of constructive alignment to design of assessment has the potential to ensure that assessment tasks reflect the learning objectives, and may help encourage academics to consider alternatives to examinations.