| Título |
Influence of the ICFF Decoupling Technique on the Stability of the Current Control Loop of a Grid-Tied VSC |
| Autores |
MARÍN ARÉVALO, LEONARDO VIDAL, Tarraso, Andres , Candela, Ignacio , Rye, Rebecca , RODRÍGUEZ CORTÉS, PEDRO |
| Publicación externa |
No |
| Medio |
Ieee Energy Conversion Congress And Exposition |
| Alcance |
Proceedings Paper |
| Naturaleza |
Científica |
| Fecha de publicacion |
01/01/2019 |
| ISI |
000520543703002 |
| DOI |
10.1109/ecce.2019.8912576 |
| 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 land 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 the controller when increasing the bandwidth of the synchronous reference frame phase-locked loop (SRF-PLL). Harware-in-the-loop (HIL) experiments are also conducted and verify these results. |
| Palabras clave |
small-signal; state-space; eigenvalues; impedance-based; generalized Nyquist criterion; inductor current feed-forward |
| Miembros de la Universidad Loyola |
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