Power Flow Management in MTdc Grids Using Series Current Flow Controllers

Senthooran Balasubramaniam, Carlos E. Ugalde-Loo, Jun Liang, Tibin Joseph

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Power flow control in multiterminal HVdc (MTdc) grids is essential to restrict operation within permissible limits. A current flow controller (CFC) can achieve this. In this paper, the modeling, control, and simulation of resistive, RC-circuit-based, and capacitive CFCs is carried out. CFC prototypes have been developed and an MTdc grid test-rig has been employed for experimental validation. Results show that all devices achieve an effective power flow management. The impact of CFC deployment in future MTdc grids is assessed on droop-controlled converters. A voltage compensation-based method is proposed to minimize power deviations during unscheduled line current control. A protection scheme has been assessed under faults.

Original languageEnglish
Article number8610385
Pages (from-to)8485-8497
Number of pages13
JournalIEEE Transactions on Industrial Electronics
Volume66
Issue number11
Early online date11 Jan 2019
DOIs
Publication statusPublished - 1 Nov 2019
Externally publishedYes

Keywords

  • Current flow controller
  • multiterminal HVdc grids
  • voltage source converter

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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