TUTCRIS - Tampereen teknillinen yliopisto

TUTCRIS

Small-Signal Analysis of Photovoltaic Inverter with Impedance-Compensated Phase-Locked Loop in Weak Grid

Tutkimustuotosvertaisarvioitu

Standard

Small-Signal Analysis of Photovoltaic Inverter with Impedance-Compensated Phase-Locked Loop in Weak Grid. / Berg, Matias; Aapro, Aapo; Luhtala, Roni; Messo, Tuomas.

julkaisussa: IEEE Transactions on Energy Conversion, Vuosikerta 35, Nro 1, 2020, s. 347-355.

Tutkimustuotosvertaisarvioitu

Harvard

Berg, M, Aapro, A, Luhtala, R & Messo, T 2020, 'Small-Signal Analysis of Photovoltaic Inverter with Impedance-Compensated Phase-Locked Loop in Weak Grid', IEEE Transactions on Energy Conversion, Vuosikerta. 35, Nro 1, Sivut 347-355. https://doi.org/10.1109/TEC.2019.2944947

APA

Vancouver

Author

Berg, Matias ; Aapro, Aapo ; Luhtala, Roni ; Messo, Tuomas. / Small-Signal Analysis of Photovoltaic Inverter with Impedance-Compensated Phase-Locked Loop in Weak Grid. Julkaisussa: IEEE Transactions on Energy Conversion. 2020 ; Vuosikerta 35, Nro 1. Sivut 347-355.

Bibtex - Lataa

@article{0abd6de16a0d463a807bb09959e0deba,
title = "Small-Signal Analysis of Photovoltaic Inverter with Impedance-Compensated Phase-Locked Loop in Weak Grid",
abstract = "The grid-connection point of photovoltaic inverters may exhibit inductive characteristics (i.e., a weak grid) due to long transmission cables as well as multiple transformers. A large grid impedance can arouse impedance-based stability problems, sustained resonances and impose power-delivery limits. This paper discusses an impedance-compensated synchronous reference- frame-PLL-angle-correction method. The method presented in this paper compensates the PLL angle according to estimated or measured grid impedance in order to achieve improved performance in weak grids. Due to the lack of explicit small-signal impedance models around the aforementioned topic, this paper presents a complete small-signal transfer function model to analyze the impedance-based stability of the PLL-angle compensation method. The results are validated with real-time hardware-in-the-loop simulations and laboratory experiments.",
author = "Matias Berg and Aapo Aapro and Roni Luhtala and Tuomas Messo",
year = "2020",
doi = "10.1109/TEC.2019.2944947",
language = "English",
volume = "35",
pages = "347--355",
journal = "IEEE Transactions on Energy Conversion",
issn = "0885-8969",
publisher = "Institute of Electrical and Electronics Engineers",
number = "1",

}

RIS (suitable for import to EndNote) - Lataa

TY - JOUR

T1 - Small-Signal Analysis of Photovoltaic Inverter with Impedance-Compensated Phase-Locked Loop in Weak Grid

AU - Berg, Matias

AU - Aapro, Aapo

AU - Luhtala, Roni

AU - Messo, Tuomas

PY - 2020

Y1 - 2020

N2 - The grid-connection point of photovoltaic inverters may exhibit inductive characteristics (i.e., a weak grid) due to long transmission cables as well as multiple transformers. A large grid impedance can arouse impedance-based stability problems, sustained resonances and impose power-delivery limits. This paper discusses an impedance-compensated synchronous reference- frame-PLL-angle-correction method. The method presented in this paper compensates the PLL angle according to estimated or measured grid impedance in order to achieve improved performance in weak grids. Due to the lack of explicit small-signal impedance models around the aforementioned topic, this paper presents a complete small-signal transfer function model to analyze the impedance-based stability of the PLL-angle compensation method. The results are validated with real-time hardware-in-the-loop simulations and laboratory experiments.

AB - The grid-connection point of photovoltaic inverters may exhibit inductive characteristics (i.e., a weak grid) due to long transmission cables as well as multiple transformers. A large grid impedance can arouse impedance-based stability problems, sustained resonances and impose power-delivery limits. This paper discusses an impedance-compensated synchronous reference- frame-PLL-angle-correction method. The method presented in this paper compensates the PLL angle according to estimated or measured grid impedance in order to achieve improved performance in weak grids. Due to the lack of explicit small-signal impedance models around the aforementioned topic, this paper presents a complete small-signal transfer function model to analyze the impedance-based stability of the PLL-angle compensation method. The results are validated with real-time hardware-in-the-loop simulations and laboratory experiments.

U2 - 10.1109/TEC.2019.2944947

DO - 10.1109/TEC.2019.2944947

M3 - Article

VL - 35

SP - 347

EP - 355

JO - IEEE Transactions on Energy Conversion

JF - IEEE Transactions on Energy Conversion

SN - 0885-8969

IS - 1

ER -