Balanced grid currents in three-level voltage-source inverters connected to the utility under distorted condition using symmetrical components and linear quadratic regulator

S. Alepuz; S. Busquets; J. Bordonau; J. Pontt; C. Silva; J. Rodríguez

doi:10.1109/EPE.2007.4417492

Balanced grid currents in three-level voltage-source inverters connected to the utility under distorted condition using symmetrical components and linear quadratic regulator

S. Alepuz, S. Busquets, J. Bordonau, J. Pontt, C. Silva, J. Rodríguez

Engineering School

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

4 Citations (Scopus)

Abstract

This paper proposes a control approach to achieve balanced grid currents in Three-Level Voltage-Source Inverters connected to the utility under dip or unbalanced condition. Fast sequence separation method for symmetrical components is used concurrently with Linear Quadratic Regulator in the current controller, in order to take advantage of the multivariable structure of the system. The harmonic content of the grid voltages can affect the type of sequence separation method to be used. Controller parameters are tuned by simulation. Experimental results have been obtained with a distorted grid, with significant harmonic content, under dip or unbalance condition, verifying the validity of the proposed control approach.

Original language	English
Title of host publication	2007 European Conference on Power Electronics and Applications, EPE
DOIs	https://doi.org/10.1109/EPE.2007.4417492
Publication status	Published - 1 Dec 2007
Event	2007 European Conference on Power Electronics and Applications, EPE - Aalborg, Denmark Duration: 2 Sept 2007 → 5 Sept 2007

Other

Other	2007 European Conference on Power Electronics and Applications, EPE
Country/Territory	Denmark
City	Aalborg
Period	2/09/07 → 5/09/07

Keywords

Distributed power
Voltage Source Converter (VSC)
Voltage Source Inverters (VSI)
Wind energy

ASJC Scopus subject areas

Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1109/EPE.2007.4417492

Cite this

Alepuz, S., Busquets, S., Bordonau, J., Pontt, J., Silva, C., & Rodríguez, J. (2007). Balanced grid currents in three-level voltage-source inverters connected to the utility under distorted condition using symmetrical components and linear quadratic regulator. In 2007 European Conference on Power Electronics and Applications, EPE Article 4417492 https://doi.org/10.1109/EPE.2007.4417492

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title = "Balanced grid currents in three-level voltage-source inverters connected to the utility under distorted condition using symmetrical components and linear quadratic regulator",

abstract = "This paper proposes a control approach to achieve balanced grid currents in Three-Level Voltage-Source Inverters connected to the utility under dip or unbalanced condition. Fast sequence separation method for symmetrical components is used concurrently with Linear Quadratic Regulator in the current controller, in order to take advantage of the multivariable structure of the system. The harmonic content of the grid voltages can affect the type of sequence separation method to be used. Controller parameters are tuned by simulation. Experimental results have been obtained with a distorted grid, with significant harmonic content, under dip or unbalance condition, verifying the validity of the proposed control approach.",

keywords = "Distributed power, Voltage Source Converter (VSC), Voltage Source Inverters (VSI), Wind energy",

author = "S. Alepuz and S. Busquets and J. Bordonau and J. Pontt and C. Silva and J. Rodr{\'i}guez",

year = "2007",

month = dec,

day = "1",

doi = "10.1109/EPE.2007.4417492",

language = "English",

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Alepuz, S, Busquets, S, Bordonau, J, Pontt, J, Silva, C & Rodríguez, J 2007, Balanced grid currents in three-level voltage-source inverters connected to the utility under distorted condition using symmetrical components and linear quadratic regulator. in 2007 European Conference on Power Electronics and Applications, EPE., 4417492, 2007 European Conference on Power Electronics and Applications, EPE, Aalborg, Denmark, 2/09/07. https://doi.org/10.1109/EPE.2007.4417492

Balanced grid currents in three-level voltage-source inverters connected to the utility under distorted condition using symmetrical components and linear quadratic regulator. / Alepuz, S.; Busquets, S.; Bordonau, J. et al.
2007 European Conference on Power Electronics and Applications, EPE. 2007. 4417492.

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

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AU - Alepuz, S.

AU - Busquets, S.

AU - Bordonau, J.

AU - Pontt, J.

AU - Silva, C.

AU - Rodríguez, J.

PY - 2007/12/1

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N2 - This paper proposes a control approach to achieve balanced grid currents in Three-Level Voltage-Source Inverters connected to the utility under dip or unbalanced condition. Fast sequence separation method for symmetrical components is used concurrently with Linear Quadratic Regulator in the current controller, in order to take advantage of the multivariable structure of the system. The harmonic content of the grid voltages can affect the type of sequence separation method to be used. Controller parameters are tuned by simulation. Experimental results have been obtained with a distorted grid, with significant harmonic content, under dip or unbalance condition, verifying the validity of the proposed control approach.

AB - This paper proposes a control approach to achieve balanced grid currents in Three-Level Voltage-Source Inverters connected to the utility under dip or unbalanced condition. Fast sequence separation method for symmetrical components is used concurrently with Linear Quadratic Regulator in the current controller, in order to take advantage of the multivariable structure of the system. The harmonic content of the grid voltages can affect the type of sequence separation method to be used. Controller parameters are tuned by simulation. Experimental results have been obtained with a distorted grid, with significant harmonic content, under dip or unbalance condition, verifying the validity of the proposed control approach.

KW - Distributed power

KW - Voltage Source Converter (VSC)

KW - Voltage Source Inverters (VSI)

KW - Wind energy

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M3 - Conference contribution

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BT - 2007 European Conference on Power Electronics and Applications, EPE

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Y2 - 2 September 2007 through 5 September 2007

ER -

Balanced grid currents in three-level voltage-source inverters connected to the utility under distorted condition using symmetrical components and linear quadratic regulator

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Keywords

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