Impact of Current Transients on the Synchronization Stability Assessment of Grid-Feeding Converters

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Title: Impact of Current Transients on the Synchronization Stability Assessment of Grid-Feeding Converters
Authors: Chen, JunruLiu, MuyangO'Donnell, TerenceMilano, Federico
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Date: Sep-2020
Online since: 2021-08-20T17:27:36Z
Abstract: The synchronization instability in the presence of a fault is a main issue for the dynamic behavior and control of grid-feeding converters. In the literature, the synchronization stability assessment is carried out considering the dynamics of Phase-Locked Loops (PLL) but the transients of converter currents are neglected. The letter shows that such a simplification leads to inaccuracies and, thus, the current transients cannot be neglected. The letter proposes a model that captures the effect of such current transients on the converter synchronization. This model allows assessing the transient behavior and, hence, the stability, of power electronics converters with high accuracy, comparable, in fact, to EMT models. The fidelity of the proposed model is duly discussed in the case study.
Funding Details: ESIPP UCD
Type of material: Journal Article
Publisher: IEEE
Journal: IEEE Transactions on Power Systems
Volume: 35
Issue: 5
Start page: 4131
End page: 4134
Copyright (published version): 2020 IEEE
Keywords: Synchronization stabilityGrid-feeding converterPhase-locked loopCurrent transients
DOI: 10.1109/tpwrs.2020.3009858
Language: en
Status of Item: Peer reviewed
ISSN: 0885-8950
This item is made available under a Creative Commons License:
Appears in Collections:Electrical and Electronic Engineering Research Collection

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