Current Balancing Control Methods Using Advanced Carrier-Based Modulation for Five-Level Current Source Rectifiers

Lisandra Kittel Ries, Marcelo Lobo Heldwein

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

In an ideal ac-dc five-level current source multilevel converter, the dc current is equally divided between the two converters connected in parallel. However, current imbalances occur due to the nonidealities of the system, making the current balancing control to improve the multilevel converter performance. This article proposes two different methods for dc current balancing control for a five-level current source rectifier using an advanced carrier-based modulation strategy implemented through three different modulation patterns. A 6-kW prototype is constructed to demonstrate the current balancing control and a comparison among the methods is presented.

Original languageEnglish
Article number9042354
Pages (from-to)10213-10226
Number of pages14
JournalIEEE Transactions on Power Electronics
Volume35
Issue number10
DOIs
StatePublished - Oct 2020
Externally publishedYes

Keywords

  • Carrier-based modulation
  • current source con-verter (CSC)
  • dc current balancing control
  • multilevel converter

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