Analysis of virtual synchronous generator control and its response based on transfer functions

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Title: Analysis of virtual synchronous generator control and its response based on transfer functions
Authors: Chen, JunruO'Donnell, Terence
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Date: 18-Sep-2019
Online since: 2020-08-18T10:35:38Z
Abstract: Virtual Synchronous Generator (VSG) control has been proposed as a means to control power electronics converter interfaced generation and storage which retains the dynamics of the conventional synchronous machine. This study provides a comprehensive, transfer function based, analysis of VGS control, which can be used as the basis for the design of VSG transient and steady-state performance. Based on a hardware validated, large signal model, a small signal model and associated transfer functions which describe the changes in real and reactive powers in response to changes in references and grid frequency disturbances. The derived transfer functions are used to obtain insight into the correct design of VSG controllers. The small signal models, transfer functions and associated analysis are validated by comparison with measured results on a scaled hardware system.
Funding Details: Science Foundation Ireland
metadata.dc.description.othersponsorship: ESIPP UCD
Type of material: Journal Article
Publisher: IET
Journal: IET Power Electronics
Volume: 12
Issue: 11
Start page: 2965
End page: 2977
Copyright (published version): 2019 The Institution of Engineering and Technology
Keywords: Synchronous generatorsTransfer functionsPower electronicsSynchronous machinesPower gridsPower convertorsDistributed power generation
DOI: 10.1049/iet-pel.2018.5711
Language: en
Status of Item: Peer reviewed
Appears in Collections:Electrical and Electronic Engineering Research Collection

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