A series HVDC power tap using modular multilevel converters

Binbin Li, Mingxu Guan, Dianguo Xu, Rui Li, Grain Philip Adam, Barry Williams

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

6 Citations (Scopus)


The concept of HVDC taps drawing small amount of power from HVDC lines to the rural places has been considered for several decades. Most of the earlier tap converters were limited by its loss, cost, reliability, and control difficulties. However, in this paper, the emerging modular multilevel converter (MMC) is adopted as the series HVDC tap, which reveals significantly improved performance and feasibility. Circuit structure and operating principle of this tap are presented, and the control considerations are also discussed. Simulations are given to demonstrate effectiveness of the MMC tap and the proposed control strategies. This tap topology is very promising to find practical use in future HVDC tapping applications.
Original languageEnglish
Title of host publication2016 IEEE Energy Conversion Congress and Exposition (ECCE)
Place of PublicationPiscataway
Number of pages7
Publication statusPublished - 16 Feb 2017


  • HVDC
  • power tapping
  • modular multielvel converters
  • circuit structure
  • tap topology


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