By J. D. van Wyk
By Marian P. Kazmierkowski
| NORpie 2000 - Topic 18: PLENARY SESSIONS | ||
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| | Future Technology for Power Electronics
By J. D. van Wyk | |
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Abstract: The development of various aspects of the technology of
electronic power conversion is examined. The present state of
the art is reviewed, giving attention to generic issues rather than
to detail. The present trends are identified, particularly in
relation to packaging, cooling, manufacturing and environmental
impact technology. The future possibilities of electronic power
converter technology are examined as being driven by functional
integration, packaging, cooling, environmental impact and
manufacturing technology. The approach taken by the NSF
Engineering Research Center for Power Electronics Systems in
terms of three-dimensional hybrid integration is discussed.
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| | CONTROL STRATEGIES FOR PWM RECTIFIER/INVERTER-FED INDUCTION MOTORS
By Marian P. Kazmierkowski | |
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Abstract: The paper reviews the technology status and
recently developed control strategies for PWM rectifier
inverter-fed induction motor drives with emphasis for its
similarities. A comprehensive review includes: new PWM
techniques, field oriented and direct torque control of
induction motor (FOC and DTC), voltage oriented and
direct power control of PWM rectifier (VOC and DPC),
novel virtual flux (VF) based sensorless control of PWM
rectifier. Also, neural network and fuzzy logic based intelligent
controllers for motion control has been discussed.
Selected oscillograms accompany the presentation in
order to illustrate properties of the described control
strategies.
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