Decentralized control of a cascaded H-Bridge multilevel converter

Kong, W, Holmes, G and McGrath, B 2011, 'Decentralized control of a cascaded H-Bridge multilevel converter', in Bogdan M. Wilamowski, Henryk Krawczyk (ed.) Proceedings of the 2011 IEEE International Symposium on Industrial Electronics (ISIE 2011), Gdansk, Poland, 27-30 June 2011, pp. 188-193.


Document type: Conference Paper
Collection: Conference Papers

Title Decentralized control of a cascaded H-Bridge multilevel converter
Author(s) Kong, W
Holmes, G
McGrath, B
Year 2011
Conference name 2011 IEEE International Symposium on Industrial Electronics (ISIE 2011)
Conference location Gdansk, Poland
Conference dates 27-30 June 2011
Proceedings title Proceedings of the 2011 IEEE International Symposium on Industrial Electronics (ISIE 2011)
Editor(s) Bogdan M. Wilamowski, Henryk Krawczyk
Publisher IEEE
Place of publication United States
Start page 188
End page 193
Total pages 6
Abstract Despite its inherently modular hardware structure, the control system of most cascaded H-bridge converters is usually highly centralized, and relies on a high bandwidth intra-converter communication system to transmit time critical control signals to the module controllers. In contrast, this paper presents a decentralized control strategy for a modular cascaded converter, where each module controller determines its own switching actions based on local sensors, a local current regulator and a local modulator. The system achieves the same performance as a centralized control system, with a low bandwidth requirement for the intra-converter communication system. Controller high voltage isolation requirements are also reduced because most of the system measurement sensors can be embedded within each converter module slave controller.
Subjects Power and Energy Systems Engineering (excl. Renewable Power)
Industrial Electronics
Keyword(s) Decentralized control
current regulation
modular cascaded converter
PEBB
DOI - identifier 10.1109/ISIE.2011.5984155
Copyright notice © 2011 IEEE
ISBN 9781424493128
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Citation counts: TR Web of Science Citation Count  Cited 3 times in Thomson Reuters Web of Science Article | Citations
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