Operation of MMC Based HVDC under SM failure at sending end converter

Richa, Abdul R. Beig, Khaled Al Jaafari, R. Jayashree

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Modular Multilevel Converter (MMC) based HVDC systems for bulk power transfer are increasingly used due to high reliability and simple power circuit owing to their modular structure. This paper presents the fault tolerant operation of MMC when one or more sub-modules fail in sending end converter. In the proposed approach the faulty sub-modules are bypassed and system is operated with reduced number of SMs till the faulty SMs are replaced. The system will revert back to normal operation once the failed SMs are replaced and fault is cleared. The proposed method ensures full power transfer even during fault without significant performance degradation. The fault tolerant operation is verified through simulation. The simulation results are presented.

Original languageBritish English
Title of host publication2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1040-1046
Number of pages7
ISBN (Electronic)9781728103952
DOIs
StatePublished - Sep 2019
Event11th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2019 - Baltimore, United States
Duration: 29 Sep 20193 Oct 2019

Publication series

Name2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019

Conference

Conference11th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2019
Country/TerritoryUnited States
CityBaltimore
Period29/09/193/10/19

Keywords

  • HVDC
  • Modular Multilevel Converter
  • Multi-level converters
  • Phase shifted carrier based PWM
  • Pulse width modulation
  • Renewable energy systems

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