Operation strategy of a multi-terminal HVDC-connected wind farm against a highly fluctuating condition

Conference paper (2019)

Authors

R. Irnawan Aalborg University
A.D. Perilla Guerra Intelligent Electrical Power Grids - EEMCS
Fausia da Silva Aalborg University
C. L. Bak Aalborg University
Jose Rueda Torres Intelligent Electrical Power Grids - EEMCS
M.A.M.M. van der Meijden Intelligent Electrical Power Grids - EEMCS , TenneT TSO B.V.
Anna M. Lindefelt Energinet.dk
Alex Alefragkis TenneT TSO B.V.
Research Group
Intelligent Electrical Power Grids (EEMCS) (TU Delft)
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Published Date

2019

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Electrical Sustainable Energy

Research Group

Intelligent Electrical Power Grids

Abstract

When a PtP link is expanded into a multi-terminal HVDC (MTDC) system by interconnecting an additional offshore wind farm (OWF) converter, the existing operation strategy changes. The OWF power production should be considered as a determining factor to operate the system. In this paper, a new power capability curve for the existing converters is proposed. This new power capability curve is formulated as a function of OWF power production. Furthermore, different converter control strategies are also described and compared. It has been found that a multi-slope droop control strategy is the most suitable strategy for the 3-terminal HVDC system with an OWF converter.

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