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Variable structure control in natural frame for three-phase grid-connected inverters with LCL filter

Author
Guzman, R.; Garcia de Vicuña, J.; Castilla, M.; Miret, J.; Martín, H.
Type of activity
Journal article
Journal
IEEE transactions on power electronics
Date of publication
2017-07-05
Volume
33
Number
5
First page
4512
Last page
4522
DOI
https://doi.org/10.1109/TPEL.2017.2723638 Open in new window
Project funding
Efficient energy management in industrial microgrids with high penetration of PV technology
Management and Control of AC Microgrids and Interconexion with DC buses in Hybrid Microgrids
Repository
http://hdl.handle.net/2117/106247 Open in new window
URL
http://ieeexplore.ieee.org/document/7968403/ Open in new window
Abstract
This paper presents a variable structure control in natural frame for a three-phase voltage source inverter. The proposed control method is based on modifying the converter model in natural reference frame, preserving the low frequency state space variables dynamics. Using this model in a Kalman filter, the system state-space variables are estimated allowing to design three robust current sliding-mode controllers in natural frame. The main closed-loop features of the proposed method are: 1) robu...
Citation
Guzman, R., Garcia de Vicuña, J., Castilla, M., Miret, J., Martin, M. Variable structure control in natural frame for three-phase grid-connected inverters with LCL filter. "IEEE transactions on power electronics", 5 Juliol 2017, vol. 33, núm. 5, p. 4512-4522.
Keywords
Grid current control, Kalman filter, LCL filter, Sliding mode control, Voltage sensorless
Group of research
PERC-UPC - Power Electronics Research Centre
SEPIC - Power and Control Electronics Systems

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