Impedance-based stability analysis of multi-parallel inverters applying total source admittance

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Impedance-based stability analysis of multi-parallel inverters applying total source admittance. / Alenius, Henrik ; Berg, Matias ; Luhtala, Roni ; Roinila, Tomi ; Messo, Tuomas.

Proceedings of the IEEE Workshop on Control and Modeling for Power Electronics (COMPEL): 17-20 June 2019, Toronto, ON, Canada. IEEE, 2019.

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

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Alenius, H , Berg, M , Luhtala, R , Roinila, T & Messo, T 2019, Impedance-based stability analysis of multi-parallel inverters applying total source admittance. in Proceedings of the IEEE Workshop on Control and Modeling for Power Electronics (COMPEL): 17-20 June 2019, Toronto, ON, Canada. IEEE, IEEE Workshop on Control and Modeling for Power Electronics, 1/01/00. https://doi.org/10.1109/COMPEL.2019.8769695

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@inproceedings{1209eefc49814c4696fe0769e4be8168,

title = "Impedance-based stability analysis of multi-parallel inverters applying total source admittance",

abstract = "The utility-scale wind and solar electricity production is typically connected to the power grid through multiple parallel three-phase inverters. One of the main issues in such grid-connected systems is the harmonic resonance caused by interactions between the grid and inverters. A common method for the analysis of these systems has been the impedance-based stability criterion. However, in systems that have multiple parallel inverters, the system complexity and challenges in obtaining the required impedance measurements may deteriorate the accuracy of the impedance-based approach. This paper discusses the aggregation of parallel inverters and the stability analysis of such grid-connected system. A simple method, based on impedance measurements, is shown for defining the allowable number of paralleled inverters so that the system remains stable. Experimental results are shown from power hardware-in-The-loop setup recently developed at DNV GL Flexible Power Grid Lab.",

author = "Henrik Alenius and Matias Berg and Roni Luhtala and Tomi Roinila and Tuomas Messo",

year = "2019",

month = "6",

day = "1",

doi = "10.1109/COMPEL.2019.8769695",

language = "English",

isbn = "978-1-7281-1843-7",

booktitle = "Proceedings of the IEEE Workshop on Control and Modeling for Power Electronics (COMPEL)",

publisher = "IEEE",

}

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TY - GEN

T1 - Impedance-based stability analysis of multi-parallel inverters applying total source admittance

AU - Alenius, Henrik

AU - Berg, Matias

AU - Luhtala, Roni

AU - Roinila, Tomi

AU - Messo, Tuomas

PY - 2019/6/1

Y1 - 2019/6/1

N2 - The utility-scale wind and solar electricity production is typically connected to the power grid through multiple parallel three-phase inverters. One of the main issues in such grid-connected systems is the harmonic resonance caused by interactions between the grid and inverters. A common method for the analysis of these systems has been the impedance-based stability criterion. However, in systems that have multiple parallel inverters, the system complexity and challenges in obtaining the required impedance measurements may deteriorate the accuracy of the impedance-based approach. This paper discusses the aggregation of parallel inverters and the stability analysis of such grid-connected system. A simple method, based on impedance measurements, is shown for defining the allowable number of paralleled inverters so that the system remains stable. Experimental results are shown from power hardware-in-The-loop setup recently developed at DNV GL Flexible Power Grid Lab.

AB - The utility-scale wind and solar electricity production is typically connected to the power grid through multiple parallel three-phase inverters. One of the main issues in such grid-connected systems is the harmonic resonance caused by interactions between the grid and inverters. A common method for the analysis of these systems has been the impedance-based stability criterion. However, in systems that have multiple parallel inverters, the system complexity and challenges in obtaining the required impedance measurements may deteriorate the accuracy of the impedance-based approach. This paper discusses the aggregation of parallel inverters and the stability analysis of such grid-connected system. A simple method, based on impedance measurements, is shown for defining the allowable number of paralleled inverters so that the system remains stable. Experimental results are shown from power hardware-in-The-loop setup recently developed at DNV GL Flexible Power Grid Lab.

U2 - 10.1109/COMPEL.2019.8769695

DO - 10.1109/COMPEL.2019.8769695

M3 - Conference contribution

SN - 978-1-7281-1843-7

BT - Proceedings of the IEEE Workshop on Control and Modeling for Power Electronics (COMPEL)

PB - IEEE

ER -

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