Power reduction coordinated scheme for wind power plants connected with VSC-HVDC

Egea-Àlvarez, Agustí and Aragüés-Peñalba, Mónica and Prieto-Araujo, Eduardo and Gomis-Bellmunt, Oriol (2017) Power reduction coordinated scheme for wind power plants connected with VSC-HVDC. Renewable Energy, 107. pp. 1-13. ISSN 0960-1481 (https://doi.org/10.1016/j.renene.2017.01.027)

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This article introduces a novel power coordination method for the operation under restricted conditions of offshore wind power plants connected with VSC-HVDC without the use of communications between converter stations. The proposed method consists of the coordination of the Dynamic Braking Resistor (DBR) located in the Grid Side Converter (GSC) and the wind power plant in order to maintain the DC voltage stability. The coordination is achieved by means of two droop controllers, one for the GSC-DBR and another one for the offshore wind power plant. These droop gains are selected to avoid limit cycles using the describing function approach. The proposed power coordination scheme is tested and verified by means of dynamic simulations.


Egea-Àlvarez, Agustí ORCID logoORCID: https://orcid.org/0000-0003-1286-6699, Aragüés-Peñalba, Mónica, Prieto-Araujo, Eduardo and Gomis-Bellmunt, Oriol;