Primary Frequency Response from Offshore Wind Farms Connected to HVdc via Diode Rectifiers

Oscar Saborío-Romano*, Ali Bidadfar, Jayachandra Naidu Sakamuri, Ömer Göksu, Nicolaos Antonio Cutululis

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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Abstract

Diode rectifiers have been gaining traction as a viable alternative for connecting offshore wind farms (OWFs) to HVdc networks. However, before technical connection requirements compatible with such solutions can be determined, more studies are needed to assess their capabilities to contribute to the secure operation of the networks linked to them. This study assesses the capability of such an OWF to provide support to an onshore ac network by means of primary frequency response (PFR). A semi-aggregated OWF representation is considered in order to examine the dynamics of each grid-forming wind turbine (WT) within a string when providing PFR. Simulation results corroborate that such an OWF can indeed provide PFR, while its grid-forming WTs share the reactive power and keep the offshore frequency and voltages within their normal operating ranges.
Original languageEnglish
Title of host publicationProceedings of the 13th IEEE PowerTech Milano 2019: Leading innovation for energy transition
Number of pages6
PublisherIEEE
Publication date2019
ISBN (Print)978-1-5386-4723-3
ISBN (Electronic)978-1-5386-4722-6
DOIs
Publication statusPublished - 2019
Event13th IEEE PowerTech Milano 2019: Leading innovation for energy transition - Bovisa Campus of Politecnico di Milano, Milano, Italy
Duration: 23 Jun 201927 Jun 2019
Conference number: 13
http://ieee-powertech.org/

Conference

Conference13th IEEE PowerTech Milano 2019
Number13
LocationBovisa Campus of Politecnico di Milano
CountryItaly
CityMilano
Period23/06/201927/06/2019
OtherPowerTech is the anchor conference of the IEEE Power & Energy Society (PES) in Europe
Internet address

Keywords

  • Diode-rectifier-based HVdc transmission
  • Frequency support
  • Grid-forming wind turbine control
  • Offshore windenergy integration
  • Primary frequency response

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