Projekter pr. år
Abstract
Active damping of LCL-filter resonance based on single-state feedback control is widely used with voltage source converters. Its robustness against grid impedance variation has always been a major concern with its controller design. To deal with this issue, this paper begins by developing a generalized impedance-based model of grid current control with feedback-type active damping. Then, a controller design method based on the z-domain root contours and frequency-domain passivity theorem is proposed. It not only allows a co-design of the grid current controller and damping controller, but ensures also a robust stabilization against the grid parameters variations. For illustration, the approach is applied to design three single-state feedback-damping schemes, and their damping robustness are compared under both inductive and resonant grid impedances. Experimental results validate the effectiveness of the method.
Originalsprog | Engelsk |
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Titel | Proceedings of the 2015 IEEE Energy Conversion Congress and Exposition (ECCE) |
Antal sider | 8 |
Forlag | IEEE Press |
Publikationsdato | sep. 2015 |
Sider | 2629-2636 |
Artikelnummer | 7310029 |
ISBN (Trykt) | 978-1-4673-7151-3, 978-146737150-6 |
DOI | |
Status | Udgivet - sep. 2015 |
Begivenhed | 2015 IEEE Energy Conversion Congress and Exposition (ECCE) - Montreal, Canada Varighed: 20 sep. 2015 → 24 sep. 2015 |
Konference
Konference | 2015 IEEE Energy Conversion Congress and Exposition (ECCE) |
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Land/Område | Canada |
By | Montreal |
Periode | 20/09/2015 → 24/09/2015 |
Fingeraftryk
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Projekter: Projekt › Forskning