State Feedback Decoupling with In-Loop Lead Compensator in Stand-Alone VSIs

de Bosio Federico, Michele Pastorelli, Luiz Antonio de Sousa Ribeiro, Francisco Daniel Freijedo Fernandez, Josep M. Guerrero

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Abstract

The performance of current and voltage regulators during transients and steady-state is of primary concern for power converters intended for stand-alone applications. Dynamics performance and command tracking capability are enhanced by actively decoupling the controlled states variables. To further widen the current loop bandwidth while still preserving a well-damped system a lead compensator structure on the forward loop is proposed. A 3 kHz bandwidth with 0.707 damping factor is achieved for the inner current controller. Accordingly, also the voltage regulator bandwidth can be widen, thus requiring even more a proper anti-wind up scheme to avoid saturation of the integral term during demanding transients. Lab-tests are performed in accordance with standards imposed to uninterruptible power supplies, verifying the theoretical analysis.
OriginalsprogEngelsk
TitelProceedings of IECON 2016: The 42nd Annual Conference of IEEE Industrial Electronics Society
Antal sider6
ForlagIEEE Press
Publikationsdatookt. 2016
Sider4241 - 4246
ISBN (Elektronisk)978-1-5090-3474-1
DOI
StatusUdgivet - okt. 2016
Begivenhed42nd Conference of the Industrial Electronics Society, IECON 2016: 42nd Annual Conference of the IEEE Industrial Electronics Society - Palazzo dei Congressi, Florence, Italien
Varighed: 24 okt. 201627 okt. 2016
http://www.iecon2016.org/?jjj=1471434927195
http://www.iecon2016.org/

Konference

Konference42nd Conference of the Industrial Electronics Society, IECON 2016
LokationPalazzo dei Congressi
Land/OmrådeItalien
ByFlorence
Periode24/10/201627/10/2016
SponsorIEEE Industrial Electronics Society (IES), Institute of Electrical and Electronics Engineers (IEEE)
Internetadresse

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