Cost analysis and comparison between Modular Multilevel Converter (MMC) and Modular Multilevel Matrix Converter (M3C) for offshore wind power transmission

Jiajie Luo, Kai Lin, Jianing Li, Ying Xue, Xiao-Ping Zhang

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

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Abstract

This paper focuses on the cost analysis of offshore wind power system using Modular Multilevel Converter (MMC) based HVDC or Modular Multilevel Matrix Converter (M3C) based fractional frequency transmission (FFT). Capital investment and long-term costs due to unavailability, Operation & Maintenance and power loss are analysed. The total cost is broken down into elements and those have larger impact on the overall cost are highlighted. Cost comparison between the two technologies is presented. Economical breakeven distance is analysed for schemes with different power ratings. In addition, sensitivity analysis is conducted considering discount rate, energy price, capacity factor, wind farm life time and wind turbine type to gain insight into the overall cost.
Original languageEnglish
Title of host publication15th IET International Conference on AC and DC Power Transmission (ACDC 2019)
PublisherInstitution of Engineering and Technology
Number of pages6
ISBN (Print) 978-1-83953-007-4
DOIs
Publication statusPublished - 5 Feb 2019

Keywords

  • sensitivity analysis
  • HVDC power convertors
  • matrix convertors
  • investment
  • wind turbines
  • HVDC power transmission
  • offshore installations
  • wind power plants
  • power generation economics

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