Limitations of Using Passivity Index to Analyze Grid-Inverter Interactions

Feifan Chen; Xiongfei Wang; Lennart Harnefors; Sei Zhen Khong; Dan Wang; Liang Zhao; Kin Cheong Sou; Mikko Routimo; Jarno Kukkola; Henrik Sandberg; Karl Henrik Johansson

doi:10.1109/TPEL.2024.3428403

Limitations of Using Passivity Index to Analyze Grid-Inverter Interactions

Feifan Chen, Xiongfei Wang, Lennart Harnefors, Sei Zhen Khong, Dan Wang, Liang Zhao, Kin Cheong Sou, Mikko Routimo, Jarno Kukkola, Henrik Sandberg, Karl Henrik Johansson

Research output: Contribution to journal › Journal article › Research › peer-review

1 Citation (Scopus)

Abstract

The main purpose of this article is to elaborate on the limitations of using frequency-domain passivity theories in analyzing grid-inverter interactions within the low-frequency range. It primarily covers three levels of limitations: 1) the limitations and selection criteria of two kinds of passivity index, 2) potential conflicts between different passivity index tuning methods, and 3) the relationship between the frequency range of negative passivity index and system stability robustness. The findings suggest that caution should be exercised when applying passivity theory, particularly in the low-frequency range.

Original language	English
Journal	IEEE Transactions on Power Electronics
Volume	39
Issue number	11
Pages (from-to)	14465-14477
Number of pages	13
ISSN	0885-8993
DOIs	https://doi.org/10.1109/TPEL.2024.3428403
Publication status	Published - 2024

Bibliographical note

Publisher Copyright:
IEEE

Keywords

Control design
grid-connected inverters
Impedance
Indexes
Inverters
passivity
Phase locked loops
Power system stability
stability
Stability criteria
Tuning

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Cite this

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title = "Limitations of Using Passivity Index to Analyze Grid-Inverter Interactions",

abstract = "The main purpose of this article is to elaborate on the limitations of using frequency-domain passivity theories in analyzing grid-inverter interactions within the low-frequency range. It primarily covers three levels of limitations: 1) the limitations and selection criteria of two kinds of passivity index, 2) potential conflicts between different passivity index tuning methods, and 3) the relationship between the frequency range of negative passivity index and system stability robustness. The findings suggest that caution should be exercised when applying passivity theory, particularly in the low-frequency range.",

keywords = "Control design, grid-connected inverters, Impedance, Indexes, Inverters, passivity, Phase locked loops, Power system stability, stability, Stability criteria, Tuning",

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AU - Harnefors, Lennart

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AU - Wang, Dan

AU - Zhao, Liang

AU - Sou, Kin Cheong

AU - Routimo, Mikko

AU - Kukkola, Jarno

AU - Sandberg, Henrik

AU - Johansson, Karl Henrik

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KW - Control design

KW - grid-connected inverters

KW - Impedance

KW - Indexes

KW - Inverters

KW - passivity

KW - Phase locked loops

KW - Power system stability

KW - stability

KW - Stability criteria

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JO - IEEE Transactions on Power Electronics

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Limitations of Using Passivity Index to Analyze Grid-Inverter Interactions

Abstract

Bibliographical note

Keywords

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