Analytical, State-Space, Full Bridge MMC model

Dragan Jovcic, Jean Mahseredjian

Research output: Chapter in Book/Report/Conference proceedingPublished conference contribution

Abstract

This paper presents the development of a small signal analytical state-space model for a Full Bridge MMC converter. Building on the existing Half Bridge MMC analytical model, all new model equations are derived considering the new control variable, DC modulation index Mdc. The model is of 29th order, and it is developed in 3 rotating dq coordinate frames: zero sequence, fundamental frequency and second harmonic. The model is verified against detailed non-linear EMTP model for a 1 GW, 640 kV MMC test system. The verification demonstrates good accuracy for all model variables considering a range of inputs on the reference and disturbance signals. The developed model is employed to study eigenvalues position as the Mdc controller gains change, and it is concluded that Mdc controller improves damping of the dominant oscillatory mode.
Original languageEnglish
Title of host publication2022 IEEE Power & Energy Society General Meeting (PESGM)
PublisherIEEE Explore
Pages257-261
Number of pages5
ISBN (Electronic)978-1-6654-0823-3
ISBN (Print)978-1-6654-0824-0
DOIs
Publication statusPublished - 1 Dec 2022
Event2022 IEEE Power & Energy Society General Meeting (GM): IEEE PES - Sheraton Denver Downtown Hotel, Denver, United States
Duration: 17 Jul 202221 Jul 2022
https://pes-gm.org/event-venue-accommodations/

Publication series

NameIEEE Power & Energy Society General Meeting
PublisherIEEE
ISSN (Print)1944-9925
ISSN (Electronic)1944-9933

Conference

Conference2022 IEEE Power & Energy Society General Meeting (GM)
Abbreviated titleIEEE PES
Country/TerritoryUnited States
CityDenver
Period17/07/2221/07/22
Internet address

Keywords

  • Full bridge MMC converter
  • HVDC transmission

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