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An optimal reactive power control for isolated modular dc/dc converter system

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Abstract

This paper presents an optimal reactive power control in isolated modular DC/DC converter (IMDCC) system based on theoretical and simulated discussions. The system configuration ties two DC grids by using two modular multilevel converters (MMCs) via an AC transformer, which causes the reactive power consuming and will affect the transferrable active power. Then the discussions conclude that the maximum transferrable active power in IMDCC system can be achieved when the reactive power is equally distributed between both MMC stations, which have been ignored by previous research. Finally, the circuit configuration and the control method are described along with simulated and experimental results that verify the effectiveness.

Original languageEnglish
Title of host publicationIET Conference Publications
PublisherInstitution of Engineering and Technology
EditionCP696
ISBN (Electronic)9781785612268
StatePublished - 2016
Event12th IET International Conference on AC and DC Power Transmission, ACDC 2016 - Beijing, China
Duration: 28 May 201629 May 2016

Publication series

NameIET Conference Publications
NumberCP696
Volume2016

Conference

Conference12th IET International Conference on AC and DC Power Transmission, ACDC 2016
Country/TerritoryChina
CityBeijing
Period28/05/1629/05/16

Keywords

  • DC/DC converters
  • High-voltage direct current (HVDC) transmission
  • Modular multilevel converters (MMCs)
  • Reactive power control

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