Efficient modeling of hybrid MMCs for HVDC Systems

Lei Zhang, Jiangchao Qin, Di Shit, Senior Member, Zhiwei Wangt

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

2 Scopus citations

Abstract

Modular multilevel converters (MMCs) have become the most promising converter technologies for medium/high-power applications, specifically for high-voltage direct current (HVDC) transmission systems. For the analysis of the large-scale MMCs-embedded power systems, i.e., multiterminal dc (MTDC) systems and dc grids, modeling and simulation plays an important role in transient and fault analysis. However, it is time consuming and infeasible to model and simulate large-scale MMCs-embedded power systems with detailed switching model (DSM). To accelerate time-domain simulation and improve computational efficiency, an equivalent circuit model (ECM) is proposed for hybrid MMC configuration based on various SM circuits. The proposed ECM can significantly improve simulation efficiency and be applied to the analysis of normal and fault operations of the MMC systems. The effectiveness of the proposed ECM is verified in the PSCAD/EMTDC software environment.

Original languageEnglish (US)
Title of host publication2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1629-1633
Number of pages5
Volume2017-January
ISBN (Electronic)9781509029983
DOIs
StatePublished - Nov 3 2017
Event9th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2017 - Cincinnati, United States
Duration: Oct 1 2017Oct 5 2017

Other

Other9th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2017
CountryUnited States
CityCincinnati
Period10/1/1710/5/17

Keywords

  • Equivalent circuit model
  • High-voltage direct current (HVDC)
  • MMC modeling
  • Modular Multilevel Converter (MMC)
  • Power system simulation
  • PSCAD/EMTDC
  • Voltage-sourced converter (VSC)

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Renewable Energy, Sustainability and the Environment
  • Control and Optimization

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  • Cite this

    Zhang, L., Qin, J., Shit, D., Member, S., & Wangt, Z. (2017). Efficient modeling of hybrid MMCs for HVDC Systems. In 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017 (Vol. 2017-January, pp. 1629-1633). [8095987] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ECCE.2017.8095987