Control of bidirectional power flow in a multi terminal DC transmission system based on modular multilevel converter

Sourabh Khandelwal, Karthika Haridas, Anandarup Das

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

2 Citations (Scopus)

Abstract

Multi terminal DC transmission system based on modular multilevel converter (MMC) is a promising and emerging development in HVDC applications. Here several converter stations, based on MMC topology is connected to the HVDC grid. Each of these stations can operate either in rectifier mode or in inverter mode allowing easy flexibility of bidirectional power flow. In this paper, a MMC based MTDC system is developed and its operation is analysed in details. A mathematical model of MTDC with two rectifier station and one inverter station has been developed. Control system for the MTDC system is proposed and explained. Several simulation results at steady state during load change and power flow reversal is illustrated. The proposed system shows easy integration of several converter stations in the MTDC grid and bidirectional power flow among the converters.

Original languageEnglish
Title of host publicationICPS 2016
Subtitle of host publicationIEEE 6th International Conference on Power Systems : proceedings
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages1-6
Number of pages6
ISBN (Electronic)9781509001286
DOIs
Publication statusPublished - 5 Oct 2016
Externally publishedYes
Event6th IEEE International Conference on Power Systems, ICPS 2016 - New Delhi, India
Duration: 4 Mar 20166 Mar 2016

Other

Other6th IEEE International Conference on Power Systems, ICPS 2016
CountryIndia
CityNew Delhi
Period4/03/166/03/16

Keywords

  • Capacitor voltage balancing algorithm
  • Control strategy
  • High Voltage DC (HVDC)
  • Line Commutated Converter (LCC)
  • Modular Multilevel Converter(MMC)
  • Multi-Terminal DC(MTDC)

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