DC STATCOM in multi-terminal DC distribution power system

Dong Chen, Lie Xu, Yan Xu

Research output: Contribution to journalArticle

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Abstract

Medium-power DC network is supposed to be able to enhance the operation of active power distribution system. The concept of ‘DC STATCOM’ is introduced to enable better dynamic performance with reduced DC fault current in an expanded DC power system. Virtual impedance method is employed to analyse the dynamics and design the control. To cope with the oscillation problem brought by constantpower terminal, a hybrid virtual impedance-based control strategy is used for the proposed DC STATCOM. Simulation based case studies validate the proposed conditioning method with reduced DC voltage oscillations and improved system stability.
Original languageEnglish
Pages (from-to)2077–2082
Number of pages6
JournalJournal of Engineering
Volume2017
Issue number13
DOIs
Publication statusPublished - 2017

Keywords

  • DC STATCOM
  • active distribution power System
  • virtual impedance
  • DC distribution

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