Coordinated Control Scheme for Ancillary Services from Offshore Wind Power Plants to AC and DC Grids

Jayachandra N. Sakamuri, Müfit Altin, Anca Daniela Hansen, Nicolaos Antonio Cutululis, Zakir Hussain Rather

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This paper proposes a new approach of providing ancillary services to AC and DC grids from offshore wind power plants (OWPPs), connected through multi-terminal HVDC network. A coordinated control scheme where OWPP’s AC grid frequency modulated according to DC grid voltage variations is used to detect and provide the ancillary service requirements of both AC and DC grids, is proposed in this paper. In particular,
control strategies for onshore frequency control, fault ridethrough support in the onshore grid, and DC grid voltage control are considered. The proposed control scheme involves only local measurements and therefore avoids the need of communication infrastructure otherwise required for
communication based control, and thus increases the reliability of the control system. The effectiveness of the proposed control scheme is demonstrated on a MTDC connected wind power system developed in DIgSILIENT PowerFactory.
Original languageEnglish
Title of host publicationProceedings of 2016 IEEE PES General Meeting
Number of pages5
Publication date2016
ISBN (Electronic)978-1-5090-4168-8
Publication statusPublished - 2016
Event2016 IEEE Power Engineering Society General Meeting - Boston, MA, United States
Duration: 17 Jul 201621 Jul 2016


Conference2016 IEEE Power Engineering Society General Meeting
CountryUnited States
CityBoston, MA


  • Ancillary services
  • Fault ride through
  • Frequency Control
  • HVDC grid voltage control
  • Integration of wind power


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