Neutral current reduction control for smart transformer under the imbalanced load in distribution system

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Title: Neutral current reduction control for smart transformer under the imbalanced load in distribution system
Authors: Chen, Junru
Zhu, Rongwu
Liserre, Marco
O'Donnell, Terence
Permanent link: http://hdl.handle.net/10197/10459
Date: 28-Jun-2018
Online since: 2019-05-15T09:20:38Z
Abstract: Imbalanced loads arouse neutral current looping in the distribution system, which increases power loss and results in neutral potential variation. Compared to the conventional power transformer, the smart transformer (ST) has advantages on the downstream voltage regulation. Thus, this paper proposes a voltage control strategy based on ST to reduce the LV grid neutral current according with EN 50160 imbalanced voltage standard. The proposed control has been validated in the Matlab/Simulink, and the system performance under the proposed control has been simulated under the imbalanced loading profile in a 400 kVA, 10 kV/400 V distribution network. The results prove the proposed control can practically reduce the neutral current.
Funding Details: European Research Council
Science Foundation Ireland
Type of material: Conference Publication
Publisher: IEEE
Start page: 2381
End page: 2386
Copyright (published version): 2018 IEEE
Keywords: Smart transformerSolid state transformerNeutral current reductionImbalanced loadGrid code
DOI: 10.1109/ICIEA.2018.8398108
SFI/15/SPP/E3125
Language: en
Status of Item: Peer reviewed
Is part of: Proceedings of the 13th IEEE Conference on Industrial Electronics and Applications (ICIEA 2018)
Conference Details: The 13th IEEE Conference on Industrial Electronics and Applications (ICIEA 2018), Wuhan, China, 31 May-2 June 2018
ISBN: 978-1-5386-3758-6
Appears in Collections:Electrical and Electronic Engineering Research Collection

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