Harmonic Stability Analysis of Grid-Connected Converters with Power Synchronization Control

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Abstract

Integration of converter-based resources into weak grids brings new concerns regarding the harmonic stability of modern power systems. This paper studies the harmonic stability and impedance characteristics of power synchronization control (PSC) which has been introduced for control of converters under weak grid operating conditions. This paper addresses this issue by studying the admittance characteristics of PSC based on the dynamics of the control scheme, the delay and the sampling frequency of the control system, and the linearized model of the grid-connected converter. Next, a critical grid inductance is derived, and necessary conditions for achieving harmonic stability are introduced. Time-domain simulations are carried out to support the proposed harmonic stability analysis.

Original languageEnglish
Title of host publication2021 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe)
PublisherIEEE
Number of pages6
ISBN (Electronic)978-1-6654-4875-8
ISBN (Print)978-1-6654-4876-5
DOIs
Publication statusPublished - 2021
MoE publication typeA4 Article in a conference publication
EventIEEE PES Europe Conference on Innovative Smart Grid Technologies - Aalto University, Espoo, Finland
Duration: 18 Oct 202121 Oct 2021
https://ieee-isgt-europe.org/

Conference

ConferenceIEEE PES Europe Conference on Innovative Smart Grid Technologies
Abbreviated titleISGT-Europe
Country/TerritoryFinland
CityEspoo
Period18/10/202121/10/2021
Internet address

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