A novel harmonic current sharing control strategy for parallel-connected inverters

Yajuan Guan; Josep M. Guerrero; Mehdi Savaghebi; Juan Carlos Vasquez Quintero; Feng  Wei

doi:10.1109/ECCE.2017.8095983

A novel harmonic current sharing control strategy for parallel-connected inverters

Yajuan Guan, Josep M. Guerrero, Mehdi Savaghebi, Juan Carlos Vasquez Quintero, Feng Wei

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

3 Citations (Scopus)

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Abstract

A novel control strategy which enables proportional linear and nonlinear loads sharing among paralleled inverters and voltage harmonic suppression is proposed in this paper. The proposed method is based on the autonomous currents sharing controller (ACSC) instead of conventional power droop control to provide fast transient response, decoupling control and large stability margin. The current components at different sequences and orders are decomposed by a multi-second-order generalized integrator-based frequency locked loop (MSOGI-FLL). A harmonic-orthogonal-virtual-resistances controller (HOVR) is used to proportionally share current components at different sequences and orders independently among the paralleled inverters. Proportional resonance controllers tuned at selected frequencies are used to suppress voltage harmonics. Simulations based on two 2.2 kW paralleled three-phase inverters are carried out to validate the performance of the proposed method.

Original language	English
Title of host publication	Proceedings of 2017 IEEE Energy Conversion Congress and Exposition (ECCE)
Number of pages	6
Publisher	IEEE Press
Publication date	Oct 2017
Pages	1602-1607
ISBN (Electronic)	978-1-5090-2998-3
DOIs	https://doi.org/10.1109/ECCE.2017.8095983
Publication status	Published - Oct 2017
Event	2017 IEEE Energy Conversion Congress and Exposition (ECCE) - Cincinnati, Ohio, United States Duration: 1 Oct 2017 → 5 Oct 2017

Conference

Conference	2017 IEEE Energy Conversion Congress and Exposition (ECCE)
Country/Territory	United States
City	Cincinnati, Ohio
Period	01/10/2017 → 05/10/2017

Keywords

Harmonic current sharing
ACSC
Droop control
MSOGI-FLL

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10.1109/ECCE.2017.8095983

A Novel Harmonic Current Sharing Control Strategy for Parallel-Connected Inverters_YajuanSubmitted manuscript, 794 KBLicence: Other

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@inproceedings{f02c0c4711f44cc48b6f6d83c29302bb,

title = "A novel harmonic current sharing control strategy for parallel-connected inverters",

abstract = "A novel control strategy which enables proportional linear and nonlinear loads sharing among paralleled inverters and voltage harmonic suppression is proposed in this paper. The proposed method is based on the autonomous currents sharing controller (ACSC) instead of conventional power droop control to provide fast transient response, decoupling control and large stability margin. The current components at different sequences and orders are decomposed by a multi-second-order generalized integrator-based frequency locked loop (MSOGI-FLL). A harmonic-orthogonal-virtual-resistances controller (HOVR) is used to proportionally share current components at different sequences and orders independently among the paralleled inverters. Proportional resonance controllers tuned at selected frequencies are used to suppress voltage harmonics. Simulations based on two 2.2 kW paralleled three-phase inverters are carried out to validate the performance of the proposed method.",

keywords = "Harmonic current sharing, ACSC, Droop control, MSOGI-FLL",

author = "Yajuan Guan and Guerrero, {Josep M.} and Mehdi Savaghebi and Quintero, {Juan Carlos Vasquez} and Feng Wei",

year = "2017",

month = oct,

doi = "10.1109/ECCE.2017.8095983",

language = "English",

pages = "1602--1607",

booktitle = "Proceedings of 2017 IEEE Energy Conversion Congress and Exposition (ECCE)",

publisher = "IEEE Press",

note = "2017 IEEE Energy Conversion Congress and Exposition (ECCE) ; Conference date: 01-10-2017 Through 05-10-2017",

}

Guan, Y , Guerrero, JM, Savaghebi, M, Quintero, JCV & Wei, F 2017, A novel harmonic current sharing control strategy for parallel-connected inverters. in Proceedings of 2017 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE Press, pp. 1602-1607, 2017 IEEE Energy Conversion Congress and Exposition (ECCE), Cincinnati, Ohio, United States, 01/10/2017. https://doi.org/10.1109/ECCE.2017.8095983

A novel harmonic current sharing control strategy for parallel-connected inverters. / Guan, Yajuan ; Guerrero, Josep M.; Savaghebi, Mehdi et al.
Proceedings of 2017 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE Press, 2017. p. 1602-1607.

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

TY - GEN

T1 - A novel harmonic current sharing control strategy for parallel-connected inverters

AU - Guan, Yajuan

AU - Guerrero, Josep M.

AU - Savaghebi, Mehdi

AU - Quintero, Juan Carlos Vasquez

AU - Wei, Feng

PY - 2017/10

Y1 - 2017/10

N2 - A novel control strategy which enables proportional linear and nonlinear loads sharing among paralleled inverters and voltage harmonic suppression is proposed in this paper. The proposed method is based on the autonomous currents sharing controller (ACSC) instead of conventional power droop control to provide fast transient response, decoupling control and large stability margin. The current components at different sequences and orders are decomposed by a multi-second-order generalized integrator-based frequency locked loop (MSOGI-FLL). A harmonic-orthogonal-virtual-resistances controller (HOVR) is used to proportionally share current components at different sequences and orders independently among the paralleled inverters. Proportional resonance controllers tuned at selected frequencies are used to suppress voltage harmonics. Simulations based on two 2.2 kW paralleled three-phase inverters are carried out to validate the performance of the proposed method.

AB - A novel control strategy which enables proportional linear and nonlinear loads sharing among paralleled inverters and voltage harmonic suppression is proposed in this paper. The proposed method is based on the autonomous currents sharing controller (ACSC) instead of conventional power droop control to provide fast transient response, decoupling control and large stability margin. The current components at different sequences and orders are decomposed by a multi-second-order generalized integrator-based frequency locked loop (MSOGI-FLL). A harmonic-orthogonal-virtual-resistances controller (HOVR) is used to proportionally share current components at different sequences and orders independently among the paralleled inverters. Proportional resonance controllers tuned at selected frequencies are used to suppress voltage harmonics. Simulations based on two 2.2 kW paralleled three-phase inverters are carried out to validate the performance of the proposed method.

KW - Harmonic current sharing

KW - ACSC

KW - Droop control

KW - MSOGI-FLL

U2 - 10.1109/ECCE.2017.8095983

DO - 10.1109/ECCE.2017.8095983

M3 - Article in proceeding

SP - 1602

EP - 1607

BT - Proceedings of 2017 IEEE Energy Conversion Congress and Exposition (ECCE)

PB - IEEE Press

T2 - 2017 IEEE Energy Conversion Congress and Exposition (ECCE)

Y2 - 1 October 2017 through 5 October 2017

ER -

A novel harmonic current sharing control strategy for parallel-connected inverters

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