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Influence of the ICFF decoupling technique on the stability of the current control loop of a grid-tied VSC

Author
Marín , L.; Tarrasó, A.; Candela, J.; Rye, R.; Rodriguez, P.
Type of activity
Presentation of work at congresses
Name of edition
IEEE Energy Conversion Congress and Exposition 2019
Date of publication
2010
Presentation's date
2019-09-29
Book of congress proceedings
2019 IEEE Energy Conversion Congress and Exposition (ECCE)
First page
2622
Last page
2628
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
DOI
10.1109/ECCE.2019.8912576
Project funding
An integrated platform for incresed flexibility in smart transmission grids with storage entities and large penetration of renewable energy sources
Nodos inteligentes con almacenamiento de energía para flexibilizar la operación de sistemas de distribución
Repository
http://hdl.handle.net/2117/176259 Open in new window
URL
https://ieeexplore.ieee.org/document/8912576 Open in new window
Abstract
The control scheme of grid-tied converters is often implemented in the dq-frame due to simplicity of design. However, with this transformation, there exists an inherent cross-coupling term between the d-and q-channels which is often compensated for by using a feed-forward term in the current-control loop. It is shown, by applying the generalized Nyquist criterion (GNC) to the dq-frame ac impedance of the converter, that the inclusion of this decoupling term, in fact, degrades the stability of th...
Citation
Marín , L. [et al.]. Influence of the ICFF decoupling technique on the stability of the current control loop of a grid-tied VSC. A: IEEE Energy Conversion Congress and Exposition. "2019 IEEE Energy Conversion Congress and Exposition (ECCE)". Institute of Electrical and Electronics Engineers (IEEE), 2019, p. 2622-2628.
Keywords
Eigenvalues, Generalized nyquist criterion, Impedance-based, Inductor current feed-forward, Small-signal, State-space
Group of research
REES - Renewable Electrical Energy Systems

Participants