An improved space vector PWM for grid connected MMC

Safia B. Bahir, Abdul R. Beig, Majid Poshtan

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

7 Scopus citations

Abstract

Multi modular converter (MMC) based DC to AC converters are widely used to interface large rating renewable energy power plants to electric grid. The performance of these converters depends on the pulse width modulation (PWM) algorithm used. This paper proposes an improved space vector PWM (SVPWM) algorithm for MMC which ensures voltage balance across each sub module and also results in low circulating current. The proposed SVPWM algorithm is verified on a 5-level MMC based DC to AC converter. The closed loop control of above converter with grid connected operation is demonstrated. The proposed SVPWM algorithm maintains balanced voltage in all sub modules and also results in low circulating current. This is demonstrated for different operating conditions through simulation.

Original languageBritish English
Title of host publication2017 6th International Conference on Renewable Energy Research and Applications, ICRERA 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages556-561
Number of pages6
ISBN (Electronic)9781538620953
DOIs
StatePublished - 12 Dec 2017
Event6th IEEE International Conference on Renewable Energy Research and Applications, ICRERA 2017 - San Diego, United States
Duration: 5 Nov 20178 Nov 2017

Publication series

Name2017 6th International Conference on Renewable Energy Research and Applications, ICRERA 2017
Volume2017-January

Conference

Conference6th IEEE International Conference on Renewable Energy Research and Applications, ICRERA 2017
Country/TerritoryUnited States
CitySan Diego
Period5/11/178/11/17

Keywords

  • Circulating current
  • Dc to ac converters
  • Multi Modular converter
  • Power loss
  • Space vector PWM
  • THD
  • Vector control
  • Voltage balance

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