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, Junru; Liu, Muyang; O'Donnell, Terence; Milano, Federico||Permanent link:||http://hdl.handle.net/10197/12446||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 stability; Grid-feeding converter; Phase-locked loop; Current 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:||https://creativecommons.org/licenses/by-nc-nd/3.0/ie/|
|Appears in Collections:||Electrical and Electronic Engineering Research Collection|
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