D-q-DC reference frame control strategy for single-phase current source cascaded inverters

Carlos R. Baier; Miguel A. Torres; Javier Munoz; Johan I. Guzman; Pedro E. Melin; Jaime Rothen; Marco Rivera

doi:10.1109/IECON.2014.7049198

D-q-DC reference frame control strategy for single-phase current source cascaded inverters

Carlos R. Baier, Miguel A. Torres, Javier Munoz, Johan I. Guzman, Pedro E. Melin, Jaime Rothen, Marco Rivera

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

9 Scopus citations

Abstract

Power quality and reliability are inherent characteristics of the cascaded multilevel converters. However, in some converters, efforts should be made to ensure the durability and reliability of the equipment. This is the case of the single-phase current source cascaded inverter (SPCS-CI) in which, due to possible differences in the DC input current to each inverter of the system, it will be necessary to limit each output voltage of each unit. This can be done through a linear control strategy. In this work, the model and the mathematics of the problems caused by unbalanced DC currents in the described cascaded system are presented. Furthermore, a control scheme based on d-q reference frame components is proposed. Along with this, a control for the DC component voltages in the individual outputs of each inverter is added, which cannot be compensated completely by the d-q scheme. The proposed control strategy is a linear scheme with an updatable decoupler that allows to control d-q and DC voltages in a set of single-phase current source inverters disposed in a cascaded arrangement. Simulated results show the effectiveness of the proposed scheme.

Original language	English
Title of host publication	IECON Proceedings (Industrial Electronics Conference)
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	4615-4621
Number of pages	7
ISBN (Electronic)	9781479940325
DOIs	https://doi.org/10.1109/IECON.2014.7049198
State	Published - 24 Feb 2014
Externally published	Yes

Publication series

Name	IECON Proceedings (Industrial Electronics Conference)

Bibliographical note

Publisher Copyright:
© 2014 IEEE.

Keywords

current source inverter
multilevel inverters
single-phase current source cascaded inverter

Access to Document

10.1109/IECON.2014.7049198

Cite this

Baier, C. R., Torres, M. A., Munoz, J., Guzman, J. I., Melin, P. E., Rothen, J., & Rivera, M. (2014). D-q-DC reference frame control strategy for single-phase current source cascaded inverters. In IECON Proceedings (Industrial Electronics Conference) (pp. 4615-4621). Article 7049198 (IECON Proceedings (Industrial Electronics Conference)). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IECON.2014.7049198

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abstract = "Power quality and reliability are inherent characteristics of the cascaded multilevel converters. However, in some converters, efforts should be made to ensure the durability and reliability of the equipment. This is the case of the single-phase current source cascaded inverter (SPCS-CI) in which, due to possible differences in the DC input current to each inverter of the system, it will be necessary to limit each output voltage of each unit. This can be done through a linear control strategy. In this work, the model and the mathematics of the problems caused by unbalanced DC currents in the described cascaded system are presented. Furthermore, a control scheme based on d-q reference frame components is proposed. Along with this, a control for the DC component voltages in the individual outputs of each inverter is added, which cannot be compensated completely by the d-q scheme. The proposed control strategy is a linear scheme with an updatable decoupler that allows to control d-q and DC voltages in a set of single-phase current source inverters disposed in a cascaded arrangement. Simulated results show the effectiveness of the proposed scheme.",

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Baier, CR, Torres, MA, Munoz, J, Guzman, JI, Melin, PE, Rothen, J & Rivera, M 2014, D-q-DC reference frame control strategy for single-phase current source cascaded inverters. in IECON Proceedings (Industrial Electronics Conference)., 7049198, IECON Proceedings (Industrial Electronics Conference), Institute of Electrical and Electronics Engineers Inc., pp. 4615-4621. https://doi.org/10.1109/IECON.2014.7049198

D-q-DC reference frame control strategy for single-phase current source cascaded inverters. / Baier, Carlos R.; Torres, Miguel A.; Munoz, Javier et al.
IECON Proceedings (Industrial Electronics Conference). Institute of Electrical and Electronics Engineers Inc., 2014. p. 4615-4621 7049198 (IECON Proceedings (Industrial Electronics Conference)).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Torres, Miguel A.

AU - Munoz, Javier

AU - Guzman, Johan I.

AU - Melin, Pedro E.

AU - Rothen, Jaime

AU - Rivera, Marco

PY - 2014/2/24

Y1 - 2014/2/24

N2 - Power quality and reliability are inherent characteristics of the cascaded multilevel converters. However, in some converters, efforts should be made to ensure the durability and reliability of the equipment. This is the case of the single-phase current source cascaded inverter (SPCS-CI) in which, due to possible differences in the DC input current to each inverter of the system, it will be necessary to limit each output voltage of each unit. This can be done through a linear control strategy. In this work, the model and the mathematics of the problems caused by unbalanced DC currents in the described cascaded system are presented. Furthermore, a control scheme based on d-q reference frame components is proposed. Along with this, a control for the DC component voltages in the individual outputs of each inverter is added, which cannot be compensated completely by the d-q scheme. The proposed control strategy is a linear scheme with an updatable decoupler that allows to control d-q and DC voltages in a set of single-phase current source inverters disposed in a cascaded arrangement. Simulated results show the effectiveness of the proposed scheme.

AB - Power quality and reliability are inherent characteristics of the cascaded multilevel converters. However, in some converters, efforts should be made to ensure the durability and reliability of the equipment. This is the case of the single-phase current source cascaded inverter (SPCS-CI) in which, due to possible differences in the DC input current to each inverter of the system, it will be necessary to limit each output voltage of each unit. This can be done through a linear control strategy. In this work, the model and the mathematics of the problems caused by unbalanced DC currents in the described cascaded system are presented. Furthermore, a control scheme based on d-q reference frame components is proposed. Along with this, a control for the DC component voltages in the individual outputs of each inverter is added, which cannot be compensated completely by the d-q scheme. The proposed control strategy is a linear scheme with an updatable decoupler that allows to control d-q and DC voltages in a set of single-phase current source inverters disposed in a cascaded arrangement. Simulated results show the effectiveness of the proposed scheme.

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Baier CR, Torres MA, Munoz J, Guzman JI, Melin PE, Rothen J et al. D-q-DC reference frame control strategy for single-phase current source cascaded inverters. In IECON Proceedings (Industrial Electronics Conference). Institute of Electrical and Electronics Engineers Inc. 2014. p. 4615-4621. 7049198. (IECON Proceedings (Industrial Electronics Conference)). doi: 10.1109/IECON.2014.7049198

D-q-DC reference frame control strategy for single-phase current source cascaded inverters

Abstract

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