Tampere University of Technology

TUTCRIS Research Portal

An accurate small-signal model of a three-phase VSI-based photovoltaic inverter with LCL-filter

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Standard

An accurate small-signal model of a three-phase VSI-based photovoltaic inverter with LCL-filter. / Aapro, Aapo; Messo, Tuomas; Suntio, Teuvo.

9th International Conference on Power Electronics and ECCE Asia (ICPE-ECCE Asia). 2015. p. 2267-2274.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Harvard

Aapro, A, Messo, T & Suntio, T 2015, An accurate small-signal model of a three-phase VSI-based photovoltaic inverter with LCL-filter. in 9th International Conference on Power Electronics and ECCE Asia (ICPE-ECCE Asia). pp. 2267-2274, IEEE International Conference on Power Electronics - ECCE Asia, 1/01/00. https://doi.org/10.1109/ICPE.2015.7168092

APA

Aapro, A., Messo, T., & Suntio, T. (2015). An accurate small-signal model of a three-phase VSI-based photovoltaic inverter with LCL-filter. In 9th International Conference on Power Electronics and ECCE Asia (ICPE-ECCE Asia) (pp. 2267-2274) https://doi.org/10.1109/ICPE.2015.7168092

Vancouver

Aapro A, Messo T, Suntio T. An accurate small-signal model of a three-phase VSI-based photovoltaic inverter with LCL-filter. In 9th International Conference on Power Electronics and ECCE Asia (ICPE-ECCE Asia). 2015. p. 2267-2274 https://doi.org/10.1109/ICPE.2015.7168092

Author

Aapro, Aapo ; Messo, Tuomas ; Suntio, Teuvo. / An accurate small-signal model of a three-phase VSI-based photovoltaic inverter with LCL-filter. 9th International Conference on Power Electronics and ECCE Asia (ICPE-ECCE Asia). 2015. pp. 2267-2274

Bibtex - Download

@inproceedings{418d63e71cee40f590101c35d50960ed,
title = "An accurate small-signal model of a three-phase VSI-based photovoltaic inverter with LCL-filter",
abstract = "Three-phase photovoltaic inverters are usually equipped with an LCL-type output filter to reduce cost and size of the converter compared to a simple L-type output filter. The LCL-filter has an inherent resonance which has to be damped by a passive or active method to avoid instability. This paper presents an accurate full-order small-signal model of the three-phase VSI-based photovoltaic inverter with LCL-type output filter. The model is developed in the dq-domain, where the steady-state operating point can be solved. The developed small-signal model has been verified by extracting frequency responses from a scaled-down prototype. The model is shown to give accurate predictions on the shape of inverter transfer functions such as control loop gains and output impedance. Thus, the model can be used for control design, impedance shaping and impedance-based stability analysis.",
author = "Aapo Aapro and Tuomas Messo and Teuvo Suntio",
year = "2015",
doi = "10.1109/ICPE.2015.7168092",
language = "English",
isbn = "978-89-5708-254-6",
pages = "2267--2274",
booktitle = "9th International Conference on Power Electronics and ECCE Asia (ICPE-ECCE Asia)",

}

RIS (suitable for import to EndNote) - Download

TY - GEN

T1 - An accurate small-signal model of a three-phase VSI-based photovoltaic inverter with LCL-filter

AU - Aapro, Aapo

AU - Messo, Tuomas

AU - Suntio, Teuvo

PY - 2015

Y1 - 2015

N2 - Three-phase photovoltaic inverters are usually equipped with an LCL-type output filter to reduce cost and size of the converter compared to a simple L-type output filter. The LCL-filter has an inherent resonance which has to be damped by a passive or active method to avoid instability. This paper presents an accurate full-order small-signal model of the three-phase VSI-based photovoltaic inverter with LCL-type output filter. The model is developed in the dq-domain, where the steady-state operating point can be solved. The developed small-signal model has been verified by extracting frequency responses from a scaled-down prototype. The model is shown to give accurate predictions on the shape of inverter transfer functions such as control loop gains and output impedance. Thus, the model can be used for control design, impedance shaping and impedance-based stability analysis.

AB - Three-phase photovoltaic inverters are usually equipped with an LCL-type output filter to reduce cost and size of the converter compared to a simple L-type output filter. The LCL-filter has an inherent resonance which has to be damped by a passive or active method to avoid instability. This paper presents an accurate full-order small-signal model of the three-phase VSI-based photovoltaic inverter with LCL-type output filter. The model is developed in the dq-domain, where the steady-state operating point can be solved. The developed small-signal model has been verified by extracting frequency responses from a scaled-down prototype. The model is shown to give accurate predictions on the shape of inverter transfer functions such as control loop gains and output impedance. Thus, the model can be used for control design, impedance shaping and impedance-based stability analysis.

U2 - 10.1109/ICPE.2015.7168092

DO - 10.1109/ICPE.2015.7168092

M3 - Conference contribution

SN - 978-89-5708-254-6

SP - 2267

EP - 2274

BT - 9th International Conference on Power Electronics and ECCE Asia (ICPE-ECCE Asia)

ER -