Stability analysis of a microgrid system with a hybrid offshore wind and ocean energy farm fed to a power grid through an HVDC link

Li Wang, Chun Yu Lin, Anton V. Prokhorov

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

8 Citations (Scopus)

Abstract

This paper presents the stability analyzed results of a microgrid system containing an offshore wind farm (OWF), an offshore tidal farm (OTF), and a seashore wave farm (SWF) fed to an onshore power grid through a high-voltage direct current (HVDC) link based on voltage-source converter (VSC). The characteristics of the studied OWF, OTF, and SWF are simulated by an equivalent aggregated wind doubly-fed induction generator (DFIG), an equivalent aggregated tidal DFIG, and an equivalent aggregated wave permanent-magnet synchronous generator (PMSG). A damping controller located at the converter station of the HVDC link is designed by using pole-assignment approach to offer adequate damping to the studied microgrid system. A frequency-domain approach based on a linearized system model using eigenvalue analysis and a time-domain scheme based on a nonlinear system model subject to a disturbance condition are systematically achieved. It can be concluded from the simulation results that the proposed VSC- based HVDC link joined with the designed damping controller can effectively stabilize the studied microgrid system with hybrid OWF, OTF, and SWF under various disturbance conditions. The inherent fluctuations of the generated power of the microgrid system injected into the power grid can also be effectively mitigated by the proposed control scheme.

Original languageEnglish
Title of host publication2017 IEEE Industry Applications Society Annual Meeting, IAS 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1-9
Number of pages9
ISBN (Electronic)9781509048946
DOIs
Publication statusPublished - 8 Nov 2017
Event2017 IEEE Industry Applications Society Annual Meeting, IAS 2017 - Cincinnati, United States
Duration: 1 Oct 20175 Oct 2017

Publication series

Name2017 IEEE Industry Applications Society Annual Meeting, IAS 2017
Volume2017-January

Conference

Conference2017 IEEE Industry Applications Society Annual Meeting, IAS 2017
CountryUnited States
CityCincinnati
Period1.10.175.10.17

Keywords

  • Damping controller
  • High voltage direct- current link
  • Microgrid system
  • Offshore tidal farm
  • Offshore wind farm
  • Seashore wave farm
  • Stability
  • Voltage-source converter

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Control and Optimization
  • Energy Engineering and Power Technology
  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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