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Control design of Modular Multilevel Converters in normal and AC
fault conditions for HVDC grids
File(s)
Author(s)
Prieto-Araujo, E
Junyent Ferre, A
Collados-Rodríguez, C
Clariana-Colet, G
Gomis-Bellmunt, O
Type
Journal Article
Abstract
This paper describes a control design strategy of Modular Multilevel Converters (MMC) for High Voltage Direct Current (HVDC) applications to operate during normal and AC fault conditions. First, a steady state analysis of the converter is performed to identify the uses of the current components within the control strategy. Based on the initial stationary study, a complete converter control structure is proposed, which enables full control of the MMC internal energy during normal and AC fault conditions. A detailed design procedure is included for the current and energy regulators, in order to be able to ensure a dynamic response under any grid condition. Finally, theoretical developments are validated through simulation results by means of a detailed model in normal operation and during an AC voltage sag.
Date Issued
2017-08-12
Date Acceptance
2017-06-22
Citation
Electric Power Systems Research, 2017, 152, pp.424-437
URI
DOI
ISSN
0378-7796
Publisher
Elsevier
Start Page
424
End Page
437
Journal / Book Title
Electric Power Systems Research
Volume
152
Copyright Statement
© 2017, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
Subjects
0906 Electrical And Electronic Engineering
Energy
Publication Status
Published