Medium-voltage DC grid connection using modular multilevel converter

Seyyedmahdi Jafarishiadeh, Mehdi Farasat, Arash Khoshkbar Sadigh

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

5 Scopus citations

Abstract

In recent years medium voltage direct-current (MVDC) grids have gained significant attention. This paper presents a new isolated modular multilevel converter (MMC)-based dc/dc converter for connecting such networks. The proposed converter can connect DC grids with different voltage levels and control power flow among them. The proposed isolated dc/dc converter has fewer components compared to conventional isolated MMC-based dc/dc converter. A major challenge in MMC-based dc/dc converters is balancing capacitor voltages in each arm and phase. To this end, a closed loop control is proposed. Simulation results using Matlab/SIMULINK is provided to demonstrate the dynamic response under step changes of reference powers.

Original languageEnglish (US)
Title of host publication2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2686-2691
Number of pages6
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

Publication series

Name2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017
Volume2017-January

Other

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

All Science Journal Classification (ASJC) codes

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

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