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Novel Energisation Method for Offshore Wind Farms Connected to HVdc via Diode Rectifiers
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  • Oscar Saborío-Romano ,
  • Ali Bidadfar ,
  • Jayachandra Naidu Sakamuri ,
  • Ömer Göksu ,
  • Nicolaos Antonio Cutululis
Oscar Saborío-Romano
Department of Wind Energy, Department of Wind Energy

Corresponding Author:[email protected]

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Ali Bidadfar
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Jayachandra Naidu Sakamuri
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Ömer Göksu
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Nicolaos Antonio Cutululis
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Recently put forward as a feasible alternative for connecting OWFs to HVdc networks, diode rectifiers (DRs) have elicited growing interest from both academia and industry. Energisation of such OWFs is, however, not straightforward. The present study constitutes a proof of concept for the application of a novel energisation method to the case of an OWF connected to HVdc via DRs. The proposed method provides a robust and reliable alternative with minimal additional hardware, i.e. short additional dc cables connecting the dc bus bar of the energising WT to the HVdc link, and corresponding dc disconnectors at the cable terminals and at the DR dc terminals. This can be easily extended to more WTs in the OWF, increasing reliability by providing redundancy. The simulation results indicate that the proposed method is a suitable alternative for energising OWFs connected to HVdc via DRs.
The manuscript has been accepted for presentation in the 45th Annual Conference of the IEEE Industrial Electronics Society (IECON 2019).