Fast time domain simulation of generic resonant mode power converter: mapping the stability region
Brown, A.D., Wong, S.C., Williams, A.C. and Kazmierski, T.J. (2000) Fast time domain simulation of generic resonant mode power converter: mapping the stability region. IEE Proceedings on Circuits, Devices and Systems, 147, (4), 211-218.
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A macromodelling technique for generic resonant mode power converters is described. This technique enables the transient and frequency analyses of resonant converters, embedded in their control circuitry, to be carried out some three orders of magnitude faster than by full component level circuit simulation. This formidable increase in speed enables us to treat 'an analysis' as a primitive operation, and allows us to explore more complex interactions of an entire system. The paper describes the technique, and demonstrates the power of the idea with a much higher level analysis: a resonant mode converter controlled by a feedback system, driving a complex load. Like any physical system of this nature, there are combinations of system parameters that can cause overall instability (oscillation). In a power conversion environment, this can be extremely dangerous. The example shown uses a three component load (R,L,C), and generates the 'stability surface' in (R,L,C) space that separates the stable from the unstable regions of overall operation. This is taken further, to demonstrate that the volume of 'component space' enclosed by the stability surface decreases monotonically with increasing system phase margin.
|Divisions:||Faculty of Physical Sciences and Engineering > Electronics and Computer Science > EEE
|Date Deposited:||06 Oct 2000|
|Last Modified:||02 Mar 2012 12:58|
|Further Information:||Google Scholar|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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