Zero phase sequence voltage injection for the alternate arm converter

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Title: Zero phase sequence voltage injection for the alternate arm converter
Author(s): Moreno, FJ
Merlin, MMC
Trainer, DR
Green, TC
Dyke, KJ
Item Type: Conference Paper
Abstract: The Alternate Arm Converter (AAC) is a voltage source converter being developed as an alternative to the Modular Multilevel Converter (MMC) for HVDC power transmission and reactive power compensation. Each Arm of the converter contains high voltage series IGBT Director Switches and full-bridge cells, which enables the VSC to ride through AC and DC network faults. This paper describes how the AAC can be optimised by modulating the converter terminal voltages with zerophase sequence triplen harmonic components. The optimisation reduces the ratio of the number of the full-bridge cells compared to the simpler Director Switches which offers a valuable improvement in footprint and efficiency.
Publication Date: 10-Feb-2015
Date of Acceptance: 10-Feb-2015
ISBN: 978-1-84919-982-7
Publisher: IET
Journal / Book Title: IET Seminar Digest
Issue: CP654
Copyright Statement: © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Conference Name: 11th IET International Conference on AC and DC Power Transmission
Publication Status: Published
Start Date: 2015-02-10
Finish Date: 2015-02-12
Conference Place: Birmingham, UK
Appears in Collections:Faculty of Engineering

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